86 COMPOSIT# (Harv.) | Hvigeron. 
This resembles D. Asper, but is perfectly glabrous and smooth in all parts, with 
smaller flower heads. Leaves 2-24 inches long, 4-1 inch broad. 
5, D. serrulatus (Harv.); stem herbaceous, ascending-erect, glabrous, 
rib-striate, ending in a 1-headed, 2-3 bracteate peduncle ; leaves lanceo- 
late or linear-lanceolate, acuminate, 3-nerved, half-amplexicaul, with a 
thickened, cartilagineo-serrulate margin, glabrous ; invol. sc. acuminate, 
flat, glabrous ; achenes thinly pilose. Zey.! 800. 
Has. Magalisberg, Burke and Zey.! (Herb. D., Hk., Sd.) 
Similar to D. levigatus, but with much more acuminate and narrower, scabro- 
serrate, rigid leaves, and much less hairy achenes. Leaves 2-3} inches long, 2-5 
lines wide. 
Doubtful genus—allied to Diplopappus ? 
g 
ASTEROSPERMA, Less. 
Heads radiate. Style-branches in the disc-fl. tipped with a short cone, and 
pubescent with suberect hairs. Achenes wingless, beakless, flattened, 2-ribbed. 
Pappus similar in disc and ray, in two rows, the outer bristles short, inner long. 
Less. Syn. 389. DC. Prodv. VIL. p. 299. 4 
A much-branched shrublet, resembling Aster hyssopifolius, hairy canescent, with 
scattered, linear leaves. Tay-fl. blue; disc-fl. yellow. Heads solitary, on the ends 
of leafless branches. Name from Aster, and omepua, a seed; the achenes are like 
those of an Aster. 
1, A. chrysocomoides (Less. 1. c.); DC. 1, ¢. p. 300. 
Cape, Lessing. (Nothing further known of this plant.) 
XIX. ERIGERON, L. 
Heads many-fl., heterochromous, radiate; ray-fl. female, in many 
rows, linear, equalling the disc (or longer); dise-fl. tubular, 5-toothed, 
either all perfect, or the outer female, the inner hermaphrodite, or all 
abortive. ecept. naked, honey-combed, fimbrilliferous. Achenes com- 
pressed, beakless. Pappus bristleshaped, rough, in one row. DO. 
Prodr. 5. p. 283. 
A large and widely spread genus, chiefly from the Northern Hemisphere. The 
only S. Afr, species is a weed, originally of N. American origin, but now found in 
most settled countries. Name from np, early, and yepwr, an an old man; soon 
grows seedy. 
1. E. Canadense (Linn.); stem erect, hispid, paniculately much- 
branched ; leaves linear-lanceolate, ciliate. Heads small, very nu- 
merous ; rays scarcely longer than the cylindrical involucre, very nar- 
row; achenes oblong, shortly pubescent. DC. 1. c, 289. 
Has. Eastern Districts and Natal, Drege, Hutton, Gerr. & McK., 323, &e- 
(Herb. D., Sd. &c.) 
One to two feet high, annual. Lvs. crowded, 2-2} in. long, 1~2 lines wide. 
Rays white. 
XX. NIDORELLA, Cass. 
Heads many-fl., heterogamous, homochromous, radiate ; ray-flowers 
female, very shortly strapshaped or bilabiate, in one, two or several rows ; 
disc-fl. tubular, 5-fid, hermaphrodite, the central ones sometimes sterile. 
Invol. campanulate, imbricate. Recept. honeycombed. Anth. without 
