640 LXII. COMPOSITA. [ Helipterum. 
Florets 2 to 4 . . 94. H. moschatum. 
Slender ds adeeb: or shah: Beschte Ces ; 
volucral bracts ciliate. . Florets 15 to 20. 25. H. pterochetum. 
Pover bends in loose leafless coryinbs or pani nicles. Tnvolueres 
si scarious, co o omg oo 10t 
Pe is or lanceolat orollas dilated ns ards, 
eme ucres all vediedllate,. enti e eps long. No radiating 
. 96. H. polycephalum. 
fedus mostly s sessile or Sai $0, about 2 lines long, 
with minu 
radiativg tips . 91. H. corymbosum. 
Lawes linear Greg Shades "y slender. "Involueres with- 
out radiating tips . . 98. H. leve. 
Sech singly sessile within the ‘floral leaves. ` Small 
uals. UM above 
Plant of 1 to Involueres campanulate. Pappus-bristles 
about 10, pomo, sed ilated . . 99. H. exiguum. 
— of 3 to volucres broadly ovoid. Pappus- bristles 
the wran res about 5, dilated and almost scale- 
i. . H. dimorpholepis. 
(Olearia conocephala, p. 480, ha as | homogamons flowe r-he ads and a og pappus, but 
the involucre is less scarious than in H elipterum, aud the style different.) 
CTION I. EumsiiPTERUM.—Involucre broadly hemispherical, with or 
SE without radiating petal-like laming to the inner or intermediate bracts. 
Seier F. Muell. Herb. An erect glabrous M oes 
Mr Pappus of 15 to 20 equally plumose bristles — Rhodanthe Lope 
Lindl. Bot. vi t. 1703; Bot. Mag. t. 3483, 5283, 5290; Sweet, Brit. 
Fl. Gard. ser. 2. t. 295; Steetz in Pl. pues i. wi 
. Australia. Swan River, Drummond, lst Coll., also'5th Coll. 
bri ridge, Preiss, n. 49 ; Kalgan river d of ion Bay, i eld ; Salt ps ‘War 
well. —The species varies very much i in the size of the flower-head 
2. H. roseum, 
slightly brich gege L5 under 1 ft. to nearly 2 2 ft ong, "cn 
nearly so. Leaves linear, acute or or obtuse, ks upper ones f 
small, the lower ones sometimes shorter and more obtuse. Flo vera 
large, dh terminal. Involuere hemisphe a the outer scarious bracts 
ith b wally 
from a bright ink to pure white. ee e flat. "s all Wc 
dite, the inner ones often sterile. Achenes densely woolly-villous. Peppe - 
of 10 to 15 plumose bristles, terminating in a dense e brush, formed of €7 
closer packed and deeper coloured vi not longer than the others. me 
nium rostum, Hook. Bot. Mag. 
W. Australia. Murchison river, oo Drummond, 6th Coll. n. 157. 
