646 LXII. COMPOSITA. [ Helipterum. 
AHumboldtianus, F. Muell. in Linnza, xxv. 415 ; Helipterum Sandfordii, Hook 
Bot. Mag. t. 5350; H. largiflorens, F. Muell. Fragm. iii. 135. 
W. Australia. Sharks’ Bay (Gaudichaud) ; Murchison river, Oldfield, Drummond, 
6ta Coll. n. 160. 
the upper leaves, the inner ones with scarious 
rather broad glabrous claws and petal-like oblong radiating laminze, about 3 
lines long, of a bright yellow.  Florets about 10 to 15. Achenes densely 
villous. Pappus-bristles about 20, plumose. 
W. Australia. Murchison river, Oldfield. Nearly allied to H. tenellum, with a 
somewhat different involucre. 
18. hie = An erect, 
slender, corymbosely branched annual, of 6 in. to 1 ft., glabrous or slightly 
oolly. Leaves narrow-linear or filiform. Flower-heads pedunculate or 
Drummond ; the white variety between Moore and Murchison rivers, 
W. Australia, 
Drummond, 6th Coll. n. 156. 
19. E. gracile, Benth. A slender, erect, nearly simple or corymbosel 
branched annual, from 6 in. to nearly 1 ft. high, glabrous or very sl 
wool Leaves linear-filiform, the lower ones occasionally opposite. id 
heads few, solitary on the branches or in clusters of 2 or 3. Involucre ovolt, 
iety of 
W. Australia. Swan river, Drummond, lst Coll. Possibly a slender variety °% 
H. tenellum. 
Li | ini , 
20. H. strictum, Benth. An erect glabrous annual, attaining iwi 
ft., but often under 6 in, Leaves oblong-lanceolate or linear, meno 
clasping, the lower ones petiolate, the uppermost small and narrow. , 
$ to 1 in. diameter, the bracts rigid, closely imbricate, the inner ones ‘ame 
small oblong white radiating petal-like lamina. Florets 3 or 4 only m 
