Helipterum.) LXII. COMPOSITAE. 649 
Hes papillose. Pappus of 8 to 15 very fine plumose bristles.— Chrysoce- 
phalum pterochetum, P Muell. in Zeien Er xxv. 416; Helichrysum ptero- 
Beien, F. Muell. Rep. Babb. Exped. 1 
N.S. Wales. Mount Goningberi, pe Expedi 
"ee ` tres Near Cudnaka, F. Mueller ; Stuart's Creek, Lake Gregory, Babbage’s 
The gë of the corolla is bulbous, uot at the base, as occurs more or less in many species, 
but just above the base in the specimens examined. 
26. H. polycephalum, Benth. A slender Ri eorymbosely branched 
annual of 6 in. to 1 ft., at first woolly-white but soon glabrous, except the 
under side of the leaves. Leaves linear or odes acute, the larger 
ones often decurrent. Flower-heads very small, all peduneulate in a large 
loose termina corymb or panicle. Involucre narrow, scarcely 2 lines long, 
the bracts rigidly scarious, of a light Ateen reddis h-brown, without spread- 
ing tips. Florets 10 to 15, all hermaphrodite and often all fertile. Achenes 
glabrous or sprinkled with a few short hairs. | Pappus-bristles D E plu- 
mose.—Pleropogon polycephalus, A. Gray in. Hook. Kew Journ. iv. 268 ; 
Cassinia cuprea or Cassiniola cuprea, V. Muell. Fragm. iii. 139 
W. Australia, Drummond, Preiss, n. 43; Murchison river, Oldfield. 
27. H. corymbosum, Benth. An erect enint; branched annual, 
6 in. to 1 ft. high, woolly- white or at length gla Leaves linear or 
linear- lanceolate, acute, not decurrent. Flow eege weg small, shortly pe- 
dunculate in little clusters of 2 to 5, forming a loose irregular corymb. In- 
volucre narrow, rather above 2 lines long, the bracts shining, of a reddish- 
brown, appress sed, the inner ones usually but not always with minute white 
spreading tips. Florets achenes and pappus of H. polycephalum, = which 
this may Possibly ee a variety.—Pteropogon corymbosus, A. Gray in Hook. 
Kew Journ. i 
w. erat Tissu 5th Coll. n. 864 ; Darling Range, Collie. 
. H. leeve, Benth. A slender erect branching annual under 6 in. high 
and ‘ite glabrous. Leaves small, linear, rather obtuse, narrowed at the 
ba 
E Kew Journ. i 
W. Australia, Drummond, 5th Coll. n. 366. Nearly allied to the two preceding 
Species, 
20. H. exiguum, F. Muell. in Trans. Vict. Inst. 1855, 39. A dwarf, 
. Very much branched, nearly glabrous annual, forming little tufts 1 to 13 in. 
diameter. Leaves small, linear-filiform. Flower-heads small, rather nume- 
Tous, sessile. Involucre campanulate, about 14 lines diameter, the bracts 
Scarious, of a reddish-brown, obtuse, without radiating tips. Florets 20 to 
| 40, all hermaphrodite. Achenes glabrous or papillose. Pappus of about 
S y a bristles. —Pteropogon demissus, A. Gray in Hook. Kew Journ. 
LI 
