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Volume 41, 1908
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Art. XXIV.—Description of a New Species of Epilobium.

[Read before the Auckland Institute, 18th November, 1908.]

Epilobium Cockaynianum, sp. nov.

E. herbaceum flaccidum cæspitosum.

Caules 10—15 cm. longi, erecti v. basi decumbentes, deinde ascendentes, plus minus ramosi, pallidi v. sub-erubescentes, bifariam puberuli, teretes, interdum superne omnino pubescentes.

Folia floralibus exceptis opposita, conferta, 13 mm. longa, 8 mm. lata, tenuia, late ovata v. ovato-elliptica, obtusa, glabra, remote et obscure v. vix denticulata, breviter petiolata; nervo medio haud prominente, nervis secundariis nullis.

Flores 1—3 in ramis singulis, in axillis foliorum superiorum dispositi, circa 6 mm. longi; calycis laciniis lanceolatis, acutis; petalis albis v. roseoalbis, calyce ½ longioribus.

Capsularum pedicelli fructu maturante elongantes, demum 2—4 cm. longi, graciles, rubelli, plus minus puberuli.

Capsula glaberrima, brunnea, 2 ½—3 ½ cm. longa; testa glabra.

Hab.: Mounts Hector and Holdsworth, in the Tararua Range, at 3,300 ft. and upwards; very plentiful on Mount Holdsworth.

The present species is most nearly allied to E. alsinoides, A. Cunn., and E. Hectori, Haussk. It is likely that the Ruahine Range plant referred by Cheeseman to the latter (“Manual New Zealand Flora,” p. 177) properly belongs here. E. Hectori I believe to be confined to the South Island.