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Volume 60, 1930
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A Reference List of New Zealand Marine Algae.
Supplement 1.

By Robt. M. Laing, B.Sc., F.N.Z. Inst.

[Read before the Philosophical Institute of Canterbury, 2nd October, 1929; issued separately, 31st March, 1930].

It is proposed from time to time as occasion demands to publish supplements to my Reference List of Marine Algae.* This is the first of these. It contains: (A) species not on the main list, now believed to exist in New Zealand, (B) species whose names must be revised to bring them in accord with modern nomenclature, (C) species on the main list now believed not to occur in New Zealand (Species excludendae). Five hundred and twelve species are recorded in the original list, to this are now added 16 species; and 7 species are removed from the list. This leaves us with a total of 521 species for New Zealand and the outlying islands.

The same limitations are here observed as in the chief Reference List. The Bacillariaceae and other microscopic forms are omitted; and no attention has been paid to the Myxophyceae. Habitats are only introduced where they are new records; or are based on fresh observations for localities previously known. A great deal of Harvey's work was founded on material collected by Dr. Lyall of the survey ship “Acheron” (1847–51), and the habitats mentioned by him are often vague, e.g. Cooks Straits, Foveaux Straits, East Coast. Such habitats require closer definition. Other early collectors of seaweeds were Dr. L. Lindsay and the Rev. W. Colenso, both of whom also often localise their collections indefinitely. In some cases in this list more definite localities are given for species collected by them; but generally no attempt has been made to give a full geographic distribution. For such readers must refer to previous works and papers on the subject.

Since the Reference List of 1926 was published, all our species of Delesseriaceae have been reviewed by Dr. H. Kylin of Lund, working on the material of Agardh's herbarium, and on a collection sent home by myself. Two new species are described and a new genus Laingia has been formed to contain the plant previously known as Delesseria Hookeri Hook. f. et Harv. The results are published in “Die Delesseriaceen Neu Seelands” (1929) by H. Kylin, Lund (Gleerup). Already in “Studien ueber die Delesseriaceen” (1924) Kylin had made several new genera for New Zealand, by splitting up the old and unwieldy genera Delesseria and Nitophyllum. As a result the nomenclature of our species will have to be recast. In 1928 Laing reviewed the New Zealand Bangiales; and in 1929 Laing and Gourlay discussed the non-foliose forms of the New Zealand Gigartinas. Certain alterations in nomenclature result from these two papers. Some species from various families were recorded by Dr. A. D. Cotton in (1912) from the Kermadecs and Little Barrier Island. These were not inserted in the main list, and will be found here. Other species

[Footnote] * Trans. N.Z. Inst., vol. 57, p. 126.

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are due to a re-examination of my herbarium material, and have been identified by various authorities.

In some few cases I have inserted the names of genera, where the species has not been fully determined. To such names numbers have not been attached.

(A) List of Marine Algae not in Reference List, now believed to occur in New Zealand.

Class Myxophyceae.
Family Oscillatoriaceae.
Symploca Kuetz.
A widely distributed genus.

Symploca Sp. (det. Dr. A. D. Cotton). Piles of pier, New Brighton, R.M.L.

Class Chlorophyceae.
Family Vaucheriaceae.
Vaucheria D.C.
Widely distributed.

Vaucheria Sp. on Pterocladia capillacea; Meyer Islands, Kermadecs. Coll. W.R.B. Oliver, det. E. S. Gepp.

Family Cladophoraceae.
Chaetomorpha Kuetz.
All Seas.

513. Chaetomorpha Novae Zelandiae. (J. Ag.) Lg. comb. nov.; Lychaete Novae Zelandiae. J. Ag. (1877), p. 2; New Zealand.

Endemic. Apparently overlooked in the main list.

Family Ulvaceae.
Enteromorpha (Link) Harv.
In all Seas.

514. Enteromorpha intestinalis (L) Link 1820, Epistola, p. 5; N.Z. This species was included in the Fl. N.Z. 2, p. 264, and the Handbook of the New Zealand Flora, p. 716. For some reason or other it does not appear in J. Ag. 1877; but as was pointed out to me by W. A. Scarfe, the species, as might be expected, is commonly to be found on our shores. I have specimens from St. Clair (Dunedin) and elsewhere. It is found in nearly all temperate and subtropical seas.

515. Enteromorpha prolifera (Muell.) J. Ag. (1882), p. 129.

Green Island Lagoon, W. A. Scarfe. A widely distributed species.

Class Phaeophyceae.
Family Sphacelariaceae.
Cladostephus C. Ag.

North Atlantic, Mediterranean, Australian and Antarctic Seas.

516. Cladostephus australis Kuetz. (Sauv.) (1914). Remarques sur les Sphacél., p. 603; N.Z.

According to Sauvageau (loc. cit.) this is an imperfectly known species and perhaps provisional. It occurs in Australia and New

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Zealand. It was originally described and figured by Kuctzing (Tab. Phyc. 56 Tab. 9). This monumental work is not available in New Zealand. Sauvageau's New Zealand specimens were obtained from the collections of Reinbold, Farlow and Agardh. Some of the specimens at least were collected at the Bluff.

This plant must not be confused with Cladostephus australis (C. Ag.) 1824, p. 169, which if the synonymy given in Kuetz. (1849), p. 833, is correct, is the plant now known as Brogniartella australis (C. Ag.) Schmitz. That this confusion has existed in the past is obvious. In the absence of complete literature it is impossible altogether to disentangle it, and, for our present purposes not worth the trouble. It may, however, be pointed out that these two very different plants have apparently both also appeared under the common synonym Griffithsia australis v. Sauv. (1914), p. 595, and Kuetz. (1849), p. 833.

Halopteris Kuetz.
Widely distributed.

517. Halopteris Novae Zelandiae Sauv. 1904 Journal de Botanique, vol. 18; Remarques sur les Sphacél, p. 336.

New Zealand. Endemic. Described from specimens collected at Lyall Bay by R.M.L.

Sphacelaria Lyngb.
(In all Seas).

518. Sphacelaria pulvinata Hook. f. et Harv. (1855), p. 221.

New Zealand. Endemic. This species was unaccountably omitted from the main list.

Family Dictyotaceae.
Dictyopteris Lmx.

Atlantic Ocean, Mediterranean, Indian and Australian Seas.

519. Haliseris (Dictyopteris) Kermadecensis Cotton (1912), p. 263.

Endemic. Kermadec Islands, E. M. Smith (1908).

Class Rhodophyceae.
Family Bangiaceae.

(v. N.Z. Bangiales, Lg. Trans. N.Z. Inst., vol. 59, 1928).

Bangia Lyngb.
Widely distributed.

520. Bangia fusco-purpurea (Dillw.) Lyngb. (1819) Hydrophyt. Dan., p. 83.

New Zealand, North Atlantic, Mediterranean and Tasmanian Coasts.

Family Erythrotrichiaceae.
Erythrocladia Rosenvinge.

Denmark and Pacific Coast of North America.

521. Erythrocladia (?) insignis Lg.

Commensal with Porphyra umbilicalis var. Novae Zelandiae. Lg. (loc. cit.). New Zealand.

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Family Helminthocladiaceae.
Liagora Lmx.
In most warmer Seas.

522. Liagora Harveyana Zeh, MS.; in A. D. Cotton (1912), p. 258. New Zealand, Victoria, Tasmania.

Cotton's plants are from Tiri Tiri and Little Barrier Islands. The species has doubtless since been published, but when Cotton wrote, the genus was being revised Dr. Pilger and Herr Zeh of Berlin. Early publication of the MS. was expected, but I have not seen their paper. The plant was previously confused in Australia, with L. viscida of Europe.

Acrochaetium Naegeli.
Widely distributed.

523. Acrochaetium interpositum (Heydr.) Hamel; Chantransia interposita Heydr.

This was omitted from the Reference List, as the species had been assimilated by De Toni to C. Naumannii. The two species have again been separated by Hamel (1927), p. 93.

Family Gelidiaceae.
Caulacanthus Kuetz.
In most warmer Seas.

524. Caulacanthus ustulatus (Mert.) J. Ag. (1852), p. 53.

Shores of France, Spain, and the Mediterranean.

I have specimens collected by myself at the Bay of Islands, and thus identified by Reinbold. It presents certain differences from the better known C. spinellus, but further comparison will be required before it can be certainly identified with the European species.

Family Gigartinaceae.
Gigartina
Widely distributed.

525. Gigartina Chauvinii (Bory) J. Ag.; Lg. and Gy. (1929), p. 126. New Zealand; Peru to Cape Horn.

Family Rhodymeniaceae.
Cordylecladia J. Ag.
In warmer Seas.

Cordylecladia Sp.

Cotton (1912), p. 264, records a species from the Kermadecs and states with the exception of Grunow's record of C. irregularis Harv., from Fiji which is doubtful, the genus has not been recorded from the New Zealand region. Now since 1901, I have had in my collection specimens of a Cordylecladia taken from fishermen's nets at Evans Bay, Wellington. On sending it to Major Reinbold, he identified it as C. irregularis Harv. very near or the same. Another but apparently different species dredged at Akaroa in eight fathoms by H. Suter, he also identified as a Cordylecladia.

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I have not published these results before, owing to the questionable identity of the species.

Family Delesseriaceae.
Bartoniella Kylin.
Cape of Good Hope, New Zealand.

526. Bartoniella prolifera Kylin (1929), p. 5.

St. Clair (Dunedin), Timaru, Gore Bay, Kaikoura, Lg.

Myriogramme Kylin.

527. Myriogramme oviformis Kylin (1929), p. 9.

Governors Bay (Lyttelton), Lg.

Family Grateloupiaceae.
Nemastoma J. Ag.
Widely distributed.

528. Nemastoma Feredayae Hook. f. et Harv. (1860), p. 327; A. D. Cotton (1912), p. 262.

Little Barrier Island, Victoria and Tasmania.

There are a number of other species in my collection not in the list (e.g. Callophyllis carnea, Laurencia disticha, Polysiphonia rudis). These belong to large genera, and cannot safely be determined until the whole genus is revised for New Zealand.

(B). Species in the Reference List, whose names have since been Revised.

The numbers refer to those in the original list. Only such habitats are given as have not before been definitely recorded.

Class Phaeophyceae.
Family Sphacelariaceae.
Halopteris Kuetz.

63. Halopteris congesta (Rke.) Sauv. (1914), p. 411, Anisocladus congestus Rke.

Sauvageau has reduced the genus Anisocladus to Halopteris.

Family Encoeliaceae.
Ilea Fries.

67. Ilea fascia (Muell.) Fries, Flor. Scan. (1835), p. 321, Setchell and Gardner (1925), p. 535, Phyllitis fascia (Muell.) Kuetz.

Family Chordariaceae.
Herponema J. Ag.

72. Herponema maculaeformis (J. Ag.) Lg. nov. comb.

The species was originally described by J. Ag. (1877), p. 4, as Elachista maculaeformis. In (1880) p. 56, he renamed it Herponema maculans. The original specific name will I am afraid have to stand.

In any case the generic position is doubtful. In Engler and Prantl (1897), p. 187, the genus is reduced to Ectocarpus.

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Class Rhodophyceae.
Family Helminthocladiaceae.
Acrochaetium Naegeli.
Widely distributed.
(v. Hamel (1927), pp. 1–49).

150. Acrochaetium corymbiferum (Thur.) Batters (1902), p. 59; Chantransia corymbifera (Thur.).

Widely distributed.

152. Achrochaetium Naumannii (Asken) Bornet (1904), p. 20; Chantransia Naumannii Asken.

New Zealand (? Chili).

Family Delesseriaceae.
Hymenena Grev.
Widely distributed.

284. Hymenena affinis (Harv.) Kylin (1924), p. 79; Nitophyllum affine Harv.

Akatore, St. Clair (Dunedin), Timaru, Lyttelton, Kaikoura (Lg.), Australia, Tasmania.

185. Hymenena Berggreniana (J. Ag.) Kylin (1924), p. 80; Nitophyllum Berggrenianum J. Ag.

A very doubtful species, it may be a form of N. multipartitum or N. parvifolium (Kylin).

289. Hymenena dilabida (J. Ag.) Kylin (1924), p. 88; Nitophyllum dilabidum J. Ag.

Kartigi Beach, R.M.L.; Ocean Beach (Dunedin), J. C. Smith.

292. Hymenena Harveyana (J. Ag.) Kylin (1924), p. 80; Nitophyllum Harveyanum J. Ag.

Lyall Bay, W. A. Scarfe.

293. Hymenena laciniata (Hook. f. et Harv.) Kylin (1924), p. 82; Nitophyllum laciniatum Hook. f. et Harv.

A Cape Horn species, doubtfully existing in New Zealand.

297. Hymenena palmata (Hook. f. et Harv.) Kylin (1924), p. 83; Nitophyllum palmatum Hook. f. et Harv. f. typica (Kylin) (1929), p. 12.

The Nuggets, Dunedin, Timaru, Double Corner (Amberley). Gore Bay, Kaikoura, R.M.L. f. marginata (Hook. f. et Harv.) Kylin, Double Corner (Amberley), Gore Bay. This is surely a distinct species.

298. Hymenena multipartita (Hook. f. et Harv.) Kylin (1924), p. 79; Nitophyllum multipartitum Hook. f. et Harv. (1847) London Journ. of Bot., vol. 6, p. 404, Nitophyllum parvifolium J. Ag.

I had previously doubtfully identified certain specimens from St. Clair as N. parvifolium. Kylin considers N. parvifolium to be only

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a synonym for H. multipartita, Kylin (1924), p. 79; and definitely identifies specimens from Colac Bay and Lyall Bay as H. multipartita. Colac Bay, St. Clair (Dunedin), J. C. Smith; Lyall Bay, W. A. Scarfe.

300. Hymenena polyglossum (J. Ag.) Kylin (1924), p. 83; Nitophyllum polyglossum J. Ag.

Stewart Island, Otago, Banks Peninsula.

301. Hymenena semicostata (J. Ag.) Kylin (1929), p. 13; Nitophyllum semicostatum J. Ag.

Auckland Islands, Bluff, St. Clair, Otago Heads (trawling), J. C. Smith; Timaru, Lyttelton, Gore Bay, Kekerangu, R.M.L.

Acrosorium Zanard.
Widely distributed.

286. Acrosorium ciliolatum (Harv.) Kylin; Nitophyllum uncinatum Harv.

Perhaps only a variety of A. uncinatum.

287. Acrosorium decumbens (J. Ag.) Kylin (1929), p. 10; Nitophyllum decumbens J. Ag.

Campbell Island, The Snares, J. C. Smith; Kaikoura Coast, R.M.L.

303. Acrosorium uncinatum (J. Ag.) Kylin (1924), p. 78; Nitophyllum uncinatum J. Ag.

Dusky Sound, R.H.; Purau (Lyttelton), Kaikoura Coast, R.M.L.

295. Acrosorium minus (Sond.) Kylin (1924), p. 78; Nitophyllum minus (Sond.) J. Ag.

A very questionable species for New Zealand.

Myriogramme Kylin.
Widely distributed.

288. Myriogramme denticulata (Hook. f. et Harv.) Kylin (1924), p. 60; Nitophyllum denticulatum Hook. f. et Harv.

Dusky Sound, R.H.; Warrington, J. C. Smith; Kenepuru Sound, W. A. Scarfe; Timaru, Akaroa, Lyttelton, Sumner, Wellington, R.M.L. A common species in harbours, and on the coast.

291. Myriogramme Gattyanum (J. Ag.) Kylin (1924), p. 60; Nitophyllum Gattyanum J. Ag.

According to Kylin (1929), p. 9, this may be only a form of N. multinervis, the following species.

Timaru, Lyttelton, Lyall Bay, R.M.L.

296. Myriogramme multinervis (Hook. f. et Harv.) Kylin (1924), p. 60; Nitophyllum multinerve Hook. f. et Harv.

St. Clair (Dunedin), R.M.L., J. C. Smith; Patterson's Inlet, R.M.L.

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304. Myriogramme undulatissima (J. Ag.) Kylin (1924), p. 60; Nitophyllum undulatissimum J. Ag.

There was only one certain example of this species in the collection sent to Dr. Kylin by me. He records it (1929), p. 9, as from Gore Bay, but the specimen is from Governors Bay (Lyttelton), my abbreviation of the name no doubt giving rise to the misinterpretation.

306. Myriogramme crispata (Hook. f. et Harv.) Kylin (1929), p. 8; Nitophyllum crispatum Hook. f. et Harv.; Platyclinia (?) crispata, (Hook. f. et Harv.) J. Ag.

According to Kylin, the generic position is still somewhat uncertain. Stewart Island, R.M.L. Hitherto known only from the Auckland and Campbell Islands.

Schizoseris.
New Zealand and Southern America.

317. Schizoseris Davisii (Hook. f. et Harv.) Kylin (1924), p. 68; Schizoneura Davisii (Hook. f. et Harv.) J. Ag.

318. Schizoseris dichotoma (Hook. f. et Harv.) Kylin (1924), p. 68; Schizoneura dichotoma (Hook. f. et Harv.) J. Ag.

Laingia Kylin, 1929.
An endemic genus.

319. Laingia Hookeri (Lyall) Kylin (1929), p. 6; Schizoneura Hookeri (Hook. f. et Harv.) J. Ag.

Riverton, St. Clair, J. C. Smith; Worser Bay, dredged (3–4 fathoms), R.M.L.; The Chathams.

Delesseria Lmx.
Almost cosmopolitan.

320. Delesseria laurifolia (J. Ag.) Kylin (1929), p. 8; Schizoneura laurifolia J. Ag.

The Nuggets, R.M.L. Apparently a very rare species, as this is the only known habitat.

(C.) Species Excludendae.

146. Porphyra nobilis J. Ag. = 145 Porphyra columbina Mont. Laing (1928), p. 43.

174. Gigartina Burmanni (C. Ag.) J. Ag.

Not known in New Zealand.

178. Gigartina disticha Sond.

Probably wrongly identified for New Zealand.

290. Nitophyllum D'Urvillei (Bory) J. Ag. = 301 Hymenena semicostata (J. Ag.) Kylin (1929), p. 14.

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299. Nitophyllum pleurosporum (Hook. f. et Harv.) Lg.

Probably only a form of Schizoseris dichotoma or S. Davisii, v. Kylin (1929), p. 14.

302. Nitophyllum Smithii Hook. f. et Harv.

A Falkland Island plant, not certainly known from New Zealand specimens identified by me as such, are not recognised by Kylin.

310. Apoglossum ruscifolium (Turn.) J. Ag. = Apoglossum Montagneanum J. Ag.; Kylin (1929), p. 14.

References.

Agardh, C. A., 1824. Systema Algarum.

Agardh, J. G. Species, genera et ordines Algarum.

—— 1852. Voluminis secundi, pars secunda.

—— 1880. Voluminis tertii, pars secunda.

—— 1877. De Algis Novae Zelandiae marinis. Lunds Universitets Aarsskrift. Tome XIV.

—— 1882. Till Algernes Systematik, Nya Bidrag 6 Ulvaceae.

Batters, E., 1902. A catalogue of the British marine Algae, issued as a supplement to the Journal of Botany, London.

Bornet, Ed., 1904. Deux Chantransia corymbifera Thur. Acrochaetium et. Chantransia. Bull. Soc. Bot. de France, Tome L1.

Cotton, A. D., 1912. Marine Algae from the North of New Zealand and the Kermadecs, Kew Bulletin, No. 61, pp. 253–264.

Engler Und Prantl, 1897. Die naturlichen Pflanzenfamilien, Teil 1, Abteilung 2.

Hamel, G. Recherches sur les genres Acrochaetium Naeg. et Rhodocorton Naeg. Thèses presentées a la faculté des sciences de Paris pour obtenir le grade de docteur.

Hooker, J. D. and Harvey, W. H., 1844–47. Flora Antarctica, vols. 1–2.

—— 1853–55. Flora Novae Zelandiae, vols. 1–2.

—— 1860. Flora Tasmaniae.

Kutzing, F. T., 1849. Species Algarum.

Kylin, H., 1924. Studien über die Delesseriaceen. Lunds Universitets Aarsskrift Avd. 2, Bd. 20, Nr. 6.

—— 1929. Die Delesseriaceen Neu-Seelands. Lunds Univ. Arsskr. Avd. 2, Bd. 25, Nr 2.

Laing, R. M., 1926. A Reference List of New Zealand Marine Algae, Trans. N.Z. Inst., vol. 57, pp. 126–185.

—— 1928. New Zealand Bangiales, Trans. N.Z. Inst., vol. 59, pp. 33–59.

Laing, R. M. and Gourlay, H. W., 1929. The New Zealand Species of Gigartina, Part I., Trans. N.Z. Inst., vol. 60, pp. 102–135.

Sauvageau, C., 1900–1914. Remarques sur les Sphacélariacees; Feret et Fils, Bordeaux. Pages 1–348 are extracted from the Journal de Botanique thus: pp. 1–51, vol. 14, 1900; pp. 51–167, vol. 15, 1901; pp. 167–228, vol. 16, 1902; pp. 228–332, vol. 17, 1903; pp. 332–348, vol. 18, 1904.

Setchell, W. A. and Gardner, N. L., 1925. The Marine Algae of the Pacific Coast of North America, Part III, Melanophyceae.

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