LXX. COMPOSIT®. 199 
Small annuals. Leaves chiefly radical, rosulate, lyrate or linear. Stem 
branched. Heads small, corymbose, yellow.— 2 species, both Western. 
117. SENECIO, Linn. 
Heads either discoid homogamous or radiate ; ray-flowers 
ligulate, female ; disk-flowers 5-toothed, bisexual. Involucre 
l-seriate, rarely quite nude at base, usually more or less 
calycled ; involucral scales frequently with withered or dark 
tips, membrane-edged, often 2-nerved. Receptacle nude or 
honeycombed. Style-arms of the disk-flowers truncate. 
Achenes terete, truncate or slightly tapering at the summit. 
Pappus multiseriate, pilose, caducous, the bristles straight, very 
slender, roughish.— FV. Cap. iii. p. 846. (Senecio and Brachy- 
rhynchos, DC-) 
A vast, cosmopolitan genus, of many hundred species, of which nearly 
180 are found at the Cape. Some are trees, others shrubs, halfshrubs, 
stemless perennials or annuals. Leaves alternate. Flowers yellow or 
purple. 
118. HURYOPS, Cass. 
Heads many-flowered, radiate ; rays female, ligulate ; disk- 
flowers 5-toothed, bisexual. Involucral scales 1-seriate, their 
margins more or less concrete, valvate in estivation. Recepta- 
cle convex or conical, mostly honeycombed. Style-arms trun- 
cate. Achenes roundish or subcompressed, wingless, beakless. 
Pappus multiseriate, caducous, of rough, brittle, flexuous 
bristles, the outer ones often deflexed or decurrent.— Fl. Cap. 
ul. p. 408 ; Thes. Cap. t. 153. 
Small shrubs, all but one South African. Leaves alternate, crowded, 
coriaceous or fleshy, entire, serrate, 3-fid, or pinnate-parted. Peduncles 
nude, 1-headed. Flowers yellow. Involucre never calycled.—26 species, 
dispersed. 
119. RUCKERIA, DC. 
Heads many-flowered, heteromoneecious, radiate ; rays 
ligulate, female ; disk-flowers mostly abortive. Involucre 1- 
seriate, the scales more or less concrete at base. Receptacle 
subconvex, areolate. Style-arms in the disk-flowers truncate. 
Ray-achenes oblong, terete, those of the disk slender, abortive, 
velvety. Pappus in many rows, similar, caducous, the bristles 
exceedingly slender, slightly nodulose, jointed, smooth, at 
length aggregated in copious woolly tufts.— #7. Cap. iii. p. 416. 
Undershrubs or herbs, with the habit of Huryops. Stem leafy at base, 
ending in long, nude, 1-headed peduncles. Leaves pinnate-parted. Flowers 
yellow.—8 species, all Western. 
