Senecio | LXXI. COMPOSITE. 601 
10. S. Brittenianus Hiern, sp. n. 
A herb, 33 ft. high or more; stems suffruticose below, floccose or 
obsoletely white-cottony above; branches striate, lax; leaves 
narrowly ellipsoidal or lanceolate-oblong, narrowed towards both 
ends, acuminate or apiculate at the apex, often attenuate to the 
sessile and somewhat auriculate base, herbaceous, toothed, more 
or less cottony, especially beneath, with white often deciduous 
silky hairs, 2 to 3in. long by } to $in. broad; capitula cam- 
panulate or at length hemispherical, homogamous, discoid, many- 
flowered, + in. long, on unequal bracteolate rather slender pedicels 
ranging up to about 4 in, long, arranged in dense terminal 
corymbose somewhat cottony cymes 3 to 4 in. in diameter ; in- 
volucral bracts about 20, sublinear, acute, about 4% in. long, 
puberulous on the back, with scarious lateral margins and fuscous 
tips; those of the calyculus several, much smaller, similar ; 
flowers yellow ; corolla about } in. long, tubular, rather abruptly 
dilated near the middle upwards, the limb short, 5-cleft; anthers 
appendaged and exserted at the apex, exappendiculate at the 
base ; style-branches circinate, truncate at the apex, just exserted ; 
receptacle areolate, convex in fruit, rather narrow, naked ; 
achenes about 51, in. long, subcylindrical, more or less ribbed and 
setulose ; pappus copious, white, setose, longer than the achene ; 
the sete barbellate, very slender. 
Hvur.a.—At the borders of fields near Mumpulla; fl. and fr. Oct. 
1859. No. 3679. On a clay soil near the Lopollo stream ; fl. Feb. 
1860. No. 3680. 
This species has very much the general appearance of S. myrio- 
cephalus, but differs by its discoid flower-heads, more numerous 
involucral scales, etc. 
11. §. lopollensis Hiern, sp. n. 
A somewhat hoary herb, 4 to 8 in. high; root wiry, branched, 
creeping and descending, apparently perennial; stems numerous, 
slender, procumbent -.or ascending, short or low, pubescent- 
tomentose or puberulous with whitish hairs, leafy ; leaves alter- 
nate, mostly crowded, elliptical or obovate, rounded or obtusely 
pointed at the apex, narrowed towards the sessile or shortly 
petiolate exauriculate base, firmly herbaceous, grey at least 
beneath, clothed on both faces more or less with whitish crisp or 
curly hairs, entire or repand, with somewhat thickened cartila- 
ginous margins, + to 2 in. long by 4 to 2 in. broad; peduncles 
terminal, slender, erect, scapelike, glabrescent above, puberulous 
below, one-headed, 31 to 7 in. long, without bracts or occasionally 
with a small one about the middle; capitula homogamous, discoid, 
subecampanulate, rather dilated at the apex, ecalyculate, erect, 
+ to 2in. long, } to 4 in. thick at the apex of the involucre; 
involucral scales uniseriate, about 8, linear-oblong, pointed at the 
apex, erect, slightly puberulous on the back near the apex, 
obscured marked with parallel nerves, scarious on the margins ; 
flowers purple, numerous, rather exceeding the involucre, appa- 
