178 
COMPOSITE. 
[Senecio. 
Outer flowers of the head ligulate without anthers. 
Herbs, with entire leaves. 
Leaves linear, in. broad 4. S. Boutoni. 
Leaves lingulate, £ in. broad 5. S. Lingua. 
Shrub, with lyrate-pinnate leaves 6. S. Ambavilla. 
1. S. appendiculatus, DC. Prod. vi. 376, A much-branched shrub, 
6-10 feet high, with branches and leaves beneath clothed with per- 
sistent white cottony tomentum. Leaves short- petioled, lyrate-pinnate, 
subcoriaceous, green above, white beneath with raised parallel branch- 
veins, the end lobe oblong- lanceolate, acute, 4-5 in. long, cuneate at 
the base, the side ones minute, spreading, linear, entire. Heads in a 
crowded terminal corymb, with cottony branches. Involucre campanu- 
late, £ in. long, composed of about 20 imbricated linear cottony scales. 
Mowers about 20 to a head, yellow, the outer with an oblong ray \ in. 
long, with three teeth at the tip. Achenes under ^ in. long, glabrous, 
angular-cylindrical ; pappus ■§• in. long, of caducous soft white hairs. 
Conyza appendiculata, Lam. Synarthrum appendiculatum, Cass. Diet. 
48, 455. 
Mauritius, on the higher hills, as the Pouce, Pieter-both, Grand Bassin, and 
Riviere Noire, Endemic. Bois de chevre, or cheve. Bois de chevre mar r on. 
2. S. Pithosillum, DC. Prod. vi. 375. A dwarf glabrous annual 
herb. Leaves in a radical rosette, lyrato-pinnate, with a large ovate 
terminal lobe. Stems 2-3 from a root, naked or furnished with a few 
small linear bracts. Heads 3-4 to a branch, on long peduncles. In- 
volucre cylindrical, with 5-6 inner and no external scales. Mowers all 
discoid. Achenes whitish, glabrous, striated, shortly beaked ; pappus 
white, very fugacious. Pithosillum lyratum, Cass. Diet. 41, 165. 
Mauritius, on the Pouce, Bory de St. Vincent. Endemic. I have not seen 
specimens. 
3. S. sechellensis. Baiter. A glabrous shrub, 4-6 feet high. 
Leaves distinctly petioled, oblong, membranous, entire, 3-4 in. long, 
1\ in. broad, obtuse or subacute, cuneate at the base, rather fleshy, 
the veins immersed. Heads 12-20 in a lax terminal corymb, each dis- 
tinctly peduncled. Involucre glabrous, between campanulate and 
cylindrical ; scales about 10, ligulate, firm ; outer 2-3 lax, minute. 
Mowers yellow, about 30 in a head, all tubular. Achenes i in. long, 
glabrous, cylindrical ; pappus ^ in. long, of very numerous very fine 
pure white hairs. 
Seychelles, in all the islands in shady damp places from 600 to 3000 feet above 
sea-level, Wright, 92! Horne, 316 ! Endemic. 
4. S. Boutoni, Baker. A much-branched glabrous perennial, |-1 
foot high, with slender terete branches. Leaves sessile, linear, entire 
or obscurely toothed, 1-1£ in. long, T Vin. broad, subobtuse, one-nerved, 
rather fleshy, narrowed to the base. Heads 1-3 to a branch, each on 
a long peduncle, with minute linear bracts. Involucre campanulate, 
