Podotheca. | LXII. COMPOSITAE. 601 
sometimes scarcely perceptible. Style-branches filiform, truncate or capitate 
at the end. Achenes angular or terete, very shortly stipitate. Pappus of 
rigid sometimes evra scale-like bristles, more or less ciliate or plumose and 
often united at the base.—Erect annuals, glabrous or scabrous-pubescent, 
not woolly or ien the involucre very slight tly so. Leaves alternate, entire. 
Flower-heads rather SC sometimes very long, on terminal peduncles, usually 
dilated under the involucre. 
i genus is limited to Australia, differing from Helipterum chiefly in the ees 
achen es, and eque tt in p* involucre, which however is less foliaeeous in P. fuscescens 
"Han in the other specie 
Inv Na parron, — or conical. 
Involue olii 
cea consid Heck dine than the involucre 2 vo Ir e Stee 
Florets scarcely exce e the very narrow involucre P Pom vt — 
Involucre about " 3. P. p 
in. lon 
volucre turbinate eem e rather broa 
Pappus-bristles ee lla e or shortly M regularly plumose, 
much longer than the achen 4. P. chrysantha. 
Pappus- iila od simil at the base, scarcely longer tl than ; 
the densely hairy achenes ` 5. P. fuscescens. 
. gnaphalioides, Grah. in Bot. Mag. t. 3920. An annual of 1 
to 1j ft., with few erect branches, glabrous or sprinkled with a few short 
hairs, Leaves linear or lanceolate, the lower ones narrowed below the middle, 
-clasping and EC shortly decurrent. . Peduncles it et? 
and ini under the . Involuere cylindrical or narrow-conical, 1 
in. g, the bracts K lanceolate and herbaceous, the innermost narrow- 
E paleaceous and very acute. Florets very slender, considerably longer 
than the involucre and pap us. Achenes silky-hairy. F appas of of 4 to 6, 
W.A SÉ See 5th Coll. Suppl. n. 63; Swan River, Collie dn Ma- 
thilda, ee 4.107; Kalgan and Murchison rivers, Oldfield ; Salt river, Marwel l. 
tifolia, Cass. ; DC. Prod. 159. An erect scabrous- 
Bifescont o: or nearly glabrous We diy i jr anching from the base, rarely 
above 1 ft. high and often under 6 in. Leaves narrow-linear. Peduncles 
short, dilated ‘and hollow ESCH the head. Involucre narrow-cylindrical or 
slightly conical, 1 to 14 in. long, the bracts herbaceous, linear or linear-lan- 
feolate, acuminate, the ët linear and scarious.  Florets very slightly 
exceeding the involucre, filiform and much more slender than in P. gnapha- 
hoides, “Achenes and pappus as in that species, but more slender. —Steetz 
in Pl. Preiss. i. 448 ; Podosperma angustifolia, Labill. Pl. Nov. Holl. ii. 35. 
177; PA hcenopoda angustifolia, Cass. (DC.) ; Lophoclinium Manglesii, Endl. 
in Bot. Zeit. 1843, 457. 
P Hacky ; Portland, F. Mue 
ae «e so nca Bay, Ë Pim di near Adelaide, Whittaker 
w. ing George's Sound, Æ. Brown and others ; Rottenest Island, Preiss, 
* 106 spinal E] n. 48, 49, 5th Coll. n. 319, 320 (the latter specimens only 2 or 3. 
in, high, h didier the involuere). 
