Iriolena.] ' a TXIL COMPOSITA. 597 
| Herbs; either annual or with a perennial base. Leaves alternate, entire. 
Flower-heads on terminal peduncles. : 
EM E: is limited to Australia. It is nearly allied to Helichrysum, differing chiefly 
; invo j 
ken hemispheric, wee inet very narrow, the inner ones with 
s tips, n 
Pap see scarce Co GN scarcely half as long as the corolla . . 1. I. brevicompta. 
pu bas etre nearly or rarely de as long as the corolla 
stly la Geng. acute. Pap us-bristles 2 8 to 12. ^ ; i Mie 
coim oblong: eg ate. Pappas bristles 20 to supina 
(See also AArizia tenella, which has the dd florets dew d Set pues than 
the Ben but the quieren bracts very fine, with filiform points.) 
Involueres eech the bracts linear or linear-lanceolate. “em 
as long a coro 
Involueral bracts Peng the inner ones with small scarious tips, not 
4. I. tomentosa. 
5. T. visco 
(See Se o Helichrysum Sne, allied és I. Kee but with Set Bet 
scarious laminze to all the bracts.) 
l. I. brevicompta, F. Muell. Fragm. i. 53. A branching, erect or 
ope bracts glandular-pubesoent, thei inner ones with small white 
erous, linear, rather rigid, Gg the inner ones with small narrow 
longer than the involucre, all herma- 
throdite. idei s glabrous, angular. Pappus of about 10 bristles, much ` 
de than the eeler shortly united at the P simple or scarcely barbel- 
Mitchel. ensland. Peak Downs, F. Mueller; Narran, Maranoa, and Balonne rivers, 
: e 
-S. Wales. Head of the Gwydir, Leichhardt. 
"in L.leptolepis, Benth. ^ branching perennial with a hard woody 
Se, with a loose cottony wool, w i 
mg. Leaves linear or lanceolate, very acute, usually rigi 
Slem-clasping at the base, flat or with revolute margins. Pedu 
than in I. tomentosa, with "fewer smaller leafy bracts. 
peal (or, when young, broadly campan anulate), with numerous linear rigid 
2 to 22 lines long, with narrow 
ve 
1 e UA v ery much shorter than in Z. tomentosa, although some 
wi 8 as the corolla.—Helichrysum ees C. Prod. vi. 194; J. tomen- 
En. glabrata, Sond. in Linnea, xxv. 504 
Australia, Sturt's Creek, F. po 
: Barer Ramee es. Molles Plains, 4. Cu 
Various tips, more pro inent than in J. tomentosa lorets very numerous, 
9! a broad flat receptacle, longer than the involucre Achenes glabrous or 
Dy LS pubescent. Pappus of about 8 to 12 bristles, barbellate from 
h times nearly 
ham; Darling and Murray rivers to the 
Victorian and other 
