548 LXXI, COMPOSITA. | Zrigeron 
green, mostly suberect, + to 1} in. long, scattered with hispid 
jointed hairs like but ora than those of the stem, uninerved, 
the margins entire, more or less revolute ; capitula hemispherical, 
about + ‘in. in diameter, many-flowered, pedicellate, arranged in 
a lax corymbose somewhat bracteate terminal panicle 2 to 5 in. 
in diameter ; bracts like the leaves but smaller ; pedicels ranging 
up to 21 in. long, ascending or erect, slender, scabr id; involucral 
scales pauciseriate, ultimately reflexed, sublinear or the inner ones 
subspathulate and lanceolate at the apex, with whitish scarious 
incise-ciliolate margins, minutely scaberulous on the back, glabrous 
inside, about } in. Tong, the outer ones shorter ; ray-flor ets female, 
uniseriate, ligulate, + in. long; ray oblong, spreading, white or 
purple (both colours on the same specimen) ; disk florets herma- 
phrodite, multiseriate, tubular, } in. long, narrowly funnel-shaped, 
shortly 5-cleft ; anthers with lanceolate appendages at the apex, 
obtuse at the base; style-branches (inclusive of the appendage) 
very narrowly linear-lanceolate, flattened, papillose on the 
margins ; achene obovate, scattered with setul, rather thickened 
on the margin and a little constricted about the apex at the ring 
from eee arises the white uniseriate setose suberect pappus of 
zz to ;'5 in. long; sete partially setulose ; receptacle naked, nearly . 
ae concave in the middle, convex about the cir cumference. 
Hvriia.—In the more elevated pastures of Empalanca amongst a 
few scattered bushes, apparently rare ; fl.and fr. April 1860. No. 3445. 
3. E, Welwitschii Hiern, sp. n. 
An erect rather robust herb, 2 ft. high and more, apparently 
annual; stem rather pallid, striate, simple leafy and glabrous or 
sparingly pilose up to two-thirds of its height where the inflores- 
cence begins; leaves sublinear, slightly tapering to an obtuse apex, 
sessile and scarcely dilated at the base, alternate or the very 
lowest opposite, glabrous or nearly so, yellowish-green on both 
faces, uninerved, 1 to 4 in. long; margins entire, very narrowly 
subrevolute ; capitula sub-hemispherical, = to # in. in diameter, 
many-flowered, pedicellate, arranged in a rather lax corymbose 
bracteate terminal panicle 3 to 8 in. in diameter ; bracts like 
the leaves but smaller; pedicels rather slender, scaberulous 
towards the apex; involucral scales pauciseriate, ultimately 
spreading, sublinear: the inner ones the longest, with narrow 
whitish scarious margins, acute, + in. long, hispidulous-scaberulous 
on the back, glabrous inside, the outer ones smaller; ray-florets 
female, uniseriate, ligulate, } in. long; ray oblong, spreading, 
white or very rarely purple-violaceous; disk florets hermaph- 
rodite, multiseriate, tubular, subcvlindrical, + in. long, shortly 
5-cleft ; anthers with narrow lanceolate appendages at the apex, 
obtuse at the base; style-branches with narrowly lanceolate 
appendages; achene shortly obovate, somewhat compressed, 
scattered when young with short setz, ultimately nearly glabrate ; 
pappus white, uniseriate, with a broad base, ;5 in. long, setose ; 
the sete patently setulose. 
