966 Compositae. 
Style (of the disk-florets) simple, papillose towards the end, or very 
rarely branched. Achenes small, usually somewhat compressed. 
Pappus of numerous capillary bristles. — Shrubs, undershrubs or 
perennial herbs (rarely if ever annuals). Leaves alternate, entire 
toothed or rarely almost pinnatifid. Flower-heads in terminal corymbs,; 
sometimes contracted into clusters or rarely solitary. 
The genus comprises several N. and S. American species, a very few 
from Africa and tropical and subtropical Asia. 
A. Glabrous *plantst:. 2242) + yon i eee en ee 
B. Hairy plauts. 
I. Involucral bracts pauci-seriate . 
C. aegyptiaca. 
II. Involucral bracts many-seriate ...... C. 
2. 
3. Dioscoridis. 
1326. (1.) Conyza Bovei DC. Ann. Scienc. Natur. (1834), p. 261. 
—. Aschers.-Schweinf. Ill. Flor. d@’Eg., p.86 no. 530. — Sickenberg. 
Contrib. Flor. d’Eg., p. 245. — Erigeron Bovei Boiss. Flor. Or. ILL, 
p. 168. — A perennial plant, 30 cm to 2m high, glabrous; stems 
woody below, erect, leafy, corymbose, few-flowered. Leaves sessile, ~ 
linear-lanceolate, acute, remotely denticulate or wavy-margined, the 
upper half-clasping at the base. Peduncles rather long, nearly naked; 
heads 6 mm broad; scales of the involucre short, somewhat speading, 
the rest appressed, linear, acuminate, scarious except the nerve, about 
as long as the pappus; pistillate flowers numerous. — Flow. March 
to April. 
O. Great Oasis. -— D. a. sept. Wady Qattar. 
Also known from Arabia Petraea. 
1327. (2.) Conyza aegyptiaca Ait. Hort. Kew. III (1811), p. 183. 
— Krigeron aegyptiacus L. Mant., p. 112. — Aschers.-Schweinf. IIL. 
Flor. d’Eg., p. 85 no. 511. — Boiss. Flor. Or. IIL, p. 169. — DC. 
Prodrom. V, p. 382. — Conyza lineariloba DC. Prodrom. V, p. 385, — 
Erigeron serratum Forsk. Flor. aeg.-arab., p. 148. — Jeq. le. Vindob. II, 
tab. 19. — A coarse, erect, hirsute annual or biennial, sometimes 
30—60 em high and nearly simple, except the terminal panicle, 
sometimes divaricately branched below the middle. Leaves lanceolate 
or oblong, obtuse or rarely almost acute, coarsely toothed in their 
whole length or at the base only, or pinnatifid with ovate oblong or 
rarely linear lobes. Flower-heads rather large for the genus, shortly 
pedicellate, in dense cymes or clusters, forming a terminal corymbose 
panicle. Involucral bracts narrow, subulate-acuminate, the inner ones . 
above 6 mm long. Flowers and pappus not exceeding the involuere. 
Ray-flowers exceedingly numerous, all filiform; disk-florets numerous, 
but varying in different heads. — Flow. March to April. 
