Forskohlea.] cxxiiid. urticace^ (Rendle). 303 



in Miss. Revoil. 65 ; Balfour in Trans. Roy. Soc. Edinb. xxxi. 283 ; 

 Schweinf. in Bull. Herb. Boiss. iv. App. ii. 148 ; Hicrn in Cat. Afr. 

 PL Welw. i. 994; Almagia in Ann. Istit. Bot. Roma, viii. 118; 

 Engl. & Gilg in Baum, Kunene-Samb. Exped. 220. 



Nile Land. Soudan : Khiirtoum, Masscy ! Red Sea Province, about ^l'^ N. lat. 

 Bentl Tamani b, Lorrf ! Abyssinia: on rocks near Gage ros, 4000 ft., 6'c/(i;h;>i't, 

 2298 ! Eritiva : Toiiodele and Dahlac Islands, Ehroihcrg ! Dahlao Islands, 

 TermcciaTio, 254, f>iy,~'701, 791, 840, 984, Firotta, 4479; Samhar, Tirmcciano 

 da Pirotta, 47, (iO, 01, 2303, Pirolta, 30, 1255 ; Habab, Tcrrncciaiio d: Piroltn^ 

 1055 ; Assaorta, Terracciauo, 20, 28, 03, 019 ; Tcrracciano <£? Pirotta, 21 ; PirotUi^ 

 1, 25, 43, 44, 51, 3015 ; Amascn ; Ghinda, Scotti ; Howakel Island, Ehrenlerg ; 

 Dogali, Schwcinfurth d; Riva, 253 ! Saati, Schwtinfurth, 42 ; l^^iwa V^alley, 

 Schweinf urth, 1058. Somaliland : Wagga Mountain, Boresti and Berbera, Lorl- 

 Phillips ! Sources of the Aven, Revoil. 



Lower Guinea. Angola : Mossamedes ; in shady rocky places, WdwiUich, 

 0291 ! abandoned fields near Cavalheiros, \V clunLsch, ()292 ! Open forest at 

 kilon. 1085 on Mossamedes railway, Pearaon, 2910 ! sandy river bed on the 

 Caroca, 050 ft., Baurriy 3a. 



Also in Socotra and Arabia. 



16. DROGUETIA, Gaud. ; Benth. et Hook. f. Gen. PI. iii. 394 



Flowers monoecious, sometimes dioecious by suppression of the 

 androgynous involucres ; androgynous involucres few- to many- 

 flowered, bowl-shaped, campanulate or ventricose, with toothed 

 margin, female involucre 1- or 2-flowered, ventricose. Male flowers 

 few to many, shortly stalked ; perianth tubular, club-shaped in bud, 

 becoming 3-lobed above in flower. Stamen 1. Ovary-rudiment 

 absent. Female flowers sessile, 1 or few in the centre of the invo- 

 lucre ; perianth absent. Ovary straight ; stigma filiform, shortly 

 papillose on one side, persistent during the ripening of the fruit ; 

 ovule erect from the base. Achene included in the involucre, 

 woolly or smooth, ovate, compressed ; pericarp somewhat thick. 

 8eed conforming to the pericarp ; testa membranous ; albumen 

 ])resent ; cotyledons flattened, elliptic. — Herbaceous or somewhat 

 shrubby perennials. Leaves alternate or opposite, stalked, crenate- 

 serrate, 3-nerved, with dot-like cystoliths ; petioles slender ; sti})ules 

 lateral, free. Involucres subsessile, generally smaller than in Furs- 

 koklea, shortly pubescent, the androgynous in pairs in the leaf-axil, 

 the female borne at the base of an undeveloped axillary shoot. 



Siiecies 5, in tropical and South Africa, Arabia, Madagascar, India and .lava. 



Leaves opposite 1. D. iutrs. 



Leaves alternate 2. D. deb His. 



1. D. iners, Schweinf. in Bull. Herb. BoL^s. iv. App. ii. 140. A 

 perennial herb or shrub with a slender woody rhizome ; stems slender, 

 erect or ascending from a rooting prostrate base, 2-5 ft. high, obtusely 

 angled, pubescent or hirtellous, becoming glabrate below, internodes 



