jaunaea. 1057 
branches slender. Achenes narrow, not compressed, 4—5-costate, 
truncate at the apex. Pappus copiously setose, fine, white, smooth, 
deciduous in one piece. — Glabrous herbs with mostly radical leaves 
and yellow flowers. 
A genus of about 20 species, extending from South Africa and the Canary 
Islands to India. 
A. Herbs. Achenes terete-prismatic, truncate or 
acutish. 
I. Heads ovate. Outer achenes velvety, smooth. 
a) Herbs 50—80 em high or more. . . . . 1. L. mucronata. 
b) Herbs 3—20 em high. 
1. Seales of the involucre white margined 2. L. tenuiloba. 
2. Seales of the involucre not white mar- 
gined. 
a) Achenes velutine. ....... . 3. L. Cassiniana. 
8) Achenes long villous-sericeous. . . 4. L. angustifolia. 
II. Herbs. Heads cylindrical. Outer achenes 
wrinkled-muricate. 
a) Achenes obtuse at the tip ...... . 5. L. nudicaulis. 
b) Achenes acutish at the tip. ..... . 6. L. fallax. 
B. Herbs. Achenes rather compressed, the outer ones 
tapering or beaked, transversely wrinkled . . . 7. L.massavensis. 
©. Herbs. Achenes short, fungous, flattened, trun- 
cated-retuse. winged at angles ES Ab Atco oes 
D. Intricately branched, spinescent shrubs. Achenes 
somewhat dorsally flattened ......... 9. LL. spinosa. 
1480. (1.) Launaea mucronata Muschler comb. nov. — Zolli- 
koferia mucronata Boiss. Diagnos. Plant. Orient., Ser. I fase. VII, 
p. 12. — Flor. Or. II, p.822. — Aschers.-Schweinf. Ill. Flor. d’Kg., 
p. 100 no. 648. — Aschers.-Schweinf. Primit. Flor. Marmaric., 
p- 657 no. 204. — Sickenberg. Contrib. Flor. d’Eg., p. 252. — 
Sonchus Candolleanus Jaub. and Spach Illustr. Plant. Or., tab. 279. 
-— A perennial plant, 50—80 cm high, or sometimes somewhat 
more, glabrous; stem erect, dichotomous, and loosely corymbose. 
Lower leaves petioled, lanceolate in outline, bipinnatipartite or -lobed, 
lobes oblong to linear, mucronate; stem-leaves oblong, auricled- 
toothed or many-cleft at the base. Scales of the involucre white- 
margined, ovate to oblong, tip of the outer ones contracted into 
an obtuse prickle; achenes 4-horned at the base; pappus persistent, 
longer than the achene. — Flow. March to April. 
M. ma. Marmarica: Matruqa; Dakalla; Abusir; Montaza; 
Alexandria-West and -East; Mandara; Abukir. — M. p. Damietta. 
— D.i. Qantara; Desert-el-Tih. 
Muschler, Manual Flora of Egypt. 67 
8. L. glomerata. 
