FLORA OF ADEN , 
335 
lateral or pendulous ; testa membranous ; albumen copious, scanty or 0 ; 
embryo straight or curved. 
Genera 109 ; species about 1,500. 
Distribution : — Throughout both hemispheres. 
1. Forskohlea Linn. 
Herbs, sometimes woody at the base. Leaves alternate,, toothed, 
3- nerved, often hoary beneath ; stipules lateral, free. 
Flowers monoecious, aggregated in a tubular or campanulate 3 — 6- 
partite androgynous involucre which is densely woolly within, the male 
flowers numerous on the periphery of the involucre, the female flowers 
1 — 5 in its centre. Male flowers : Perianth clavate in bud, in flower irre- 
gularly split, 3-lobed or 3-toothed, 1 lobe inflexed. Stamen 1. Pistillode 
0. Female flowers : Perianth 0. Ovary straight ; ovule erect ; stigma fili- 
form, hispid, persistent. 
Achenes enclosed in the involucre, enveloped in wool, ovate, com- 
pressed ; testa membranous ; albumen scanty or 0 ; a tyledons broad. 
Species 5. 
Distribution : — Spain, Africa, Arabia, India 
Suffruticose, with rhombic, elliptic, orbicular or obovate Leaves . . 1. F. tenacissima. 
An annual green herb with ovate lanceolate or lanceolate leaves . . 2. F. viridis. 
1. Forskohlea tenacissima L. Mant. p. 72 ; DC. Prodr. XYI, 1. 
235 65 ; Anders. Journ. Linn. Soc. V, Suppl. p. 36 ; Boiss. FI. Or. IY, 
115 ; Hook. FI. Brit. Ind. Y, 593 ; Batt. et Trab. FI. d^Alg. p. 812. 
Forskohlea latifolia Betz. Observ. p. 51. 
Caidbeya adhserens Forsk. FI. Aeg.-Arab. p. 82. 
Arabic Name : — Lessike. 
Description r — Suffruticose ,* stem 6 — 24 inches high. Leaves | — If 
by f — 1^ inches, variable in shape and size, rhombic, elliptic, orbicular, or 
obovate, obtuse, toothed or serrate, softly hairy with hooked hairs above, 
white-wooly beneath, base cuneate ; petioles \ — 1J inches long ; stipules 
ovate, acute, scarious, ciliate. 
Flowers monoecious, in axillary androgynous membranous involucres, 
the males at the margin, the females 1 — 4 in the centre of the involucre ; 
bracts usually 5, foliaceous, lanceolate, hispid above, silky below, reach- 
ing nearly \ inch long. Male flowers : Perianth unequally 3-lobed. 
Stamen 1. Female flowers : Perianth 0. 
Achenes J inch long, ovoid, compressed, tapering into the filiform 
style. 
Flowers: — March 1878 (Perry), August 1898 (Birdw.), Dec. 1847 
(Hooker) . 
