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Celmisia dallii, Buch., n.s.
Leaves radical, rosulate, 6–8 inches long, 1½–2 inches broad, sessile, coriaceous, linear-oblong, acute, serrate and apiculate on the serratures, closely covered on back with shining pale buff tomentum. Scape 8–10 inches long, glabrous, bracts few, alternate, large, leafy, coriaceous, 1½–2½ inches long, ¼–½ inch broad with pale buff tomentum on back, same as leaves. Head 1½ inches diameter, involucre of 2 forms. Outer, large, leaf-like, ¼–1 inch long ⅛–¼ broad, covered on the back with shining pale buff tomentum.
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Inner, in several series ½ inch long, 1/16 inch broad, membraneous and glabrous, inner series ciliate on upper half and margins, the whole more or less viscid, rays in 1 series numerous, ½ inch long, narrow, pappus ⅕ inch long, scabrid. Achene linear, hispid.
Hab.—South Island: Nelson; on the Golden Downs near the head of the Aorere River—J. Dall; in compliment to whom as an explorer and collector it has been named.
Plate XXXV., fig. 1, plant ⅔ nat. size; 2, back view of flower head, showing outer form of flower-bracts; 3, inner form of flower-bracts; 4, fertile floret; 5, rayed floret; 6, pappus hair; 7, stamens.
This singular plant approaches the genus Senecio closer than any Celmisia hitherto found in New Zealand, especially in the presence of large coriaceous leaf-like bracts on the scape. Its habit of growth, however, especially in the large radical and rosulate leaves, relate it more to Celmisia. It may be necessary if other species with this remarkable double form of flower-bracts be discovered that a new genus be constructed for their reception.