70 CII, LABIATH (BA KER). [ Orthosiphon. 
613. O. Ehrenbergii, Vatke in Linnea, xxxvii. 316. Ocimum reflecum, 
Ehrenb. ex Schweinf. Beitr. Fl. Auchiop. 126. O.nepetefolium, Hochst. 
ex Vatke, l.c. O. reflexus, var. pallidus, Terracciano in Ann. Istit. Bot. 
Roma. v 101. 
Nile Land. Island of Dalak, Ehrenberg. Nubia: Erkowit Mountain, near 
Suakin, Schweinfurth, 277! Eritrea: near Massowa, Ehrenberg ; Ailet, Ehrenberg ; 
Ginda, 3000 ft., Schweinfurth, 302! near Saati, Schweinfurth § Riva, 330! 
Abyssinia, Schimper. 
Also in Arabia and North-West India. 
17. O. heterochrous, Briquet in Engl. Jahrb. xix. 173. A branched 
herb, with reddish-green glabrescent stems. Leaves subsessile or shortly 
petioled, ovate or ovate-oblong, about 1 in. long, acute or subacute, 
narrowed to the base, regularly crenate, glabrous cn both surfaces. 
Racemes 3-4 in. long, lax towards the base; bracts deciduous; axis 
densely ferrugino-pubescent ; pedicels 4 in. long. Culyx violet, ferru- 
gino-pubescent, especially at the base, } in. long in flower ; upper tooth 
ovate, the others setaceous. Corolla protruding 4-4 in. from the throat 
of the calyx ; lower lip 4, in. long. Stamens reaching the tip of the 
lower lip. 
Lower Guinea. Angola: at the River Kuango, Pogge, 366. 
18. O. Stuhlmannii, Giirke in Engl. Pf. Ost-Afr. C. 349. A 
branched herb, with pubescent stems. Leaves shortly petioled, ovate 
or ovate-lanceolate, 1-14 in. long, narrowed to the base, deeply inciso- 
crenate, glabrous on both surfaces. Whorls 6-flowered, forming lax 
racemes ; bracts broadly ovate, acute. Calyx naked inside at the 
throat ; upper tooth suborbicular, obtuse ; lateral teeth deltoid-cuspidate ; 
lower setaceous. Stamens included. 
Mozamb. Dist. German East Africa: Mwanza, on the Victoria Nyanza, 
Stuhlmann, 4168. 
19. O. violaceus, Briquet in Engl. Jahrb. xix. 178. Perennial. 
Stem short, decumbent, purple, thinly hairy. Leaves shortly petioled, 
ovate, obtuse, crenate, rounded at the base, rigidly coriaceous, 1} in. 
long, obscurely pubescent beneath, with raised veins. Raceme short ; 
whorls many-flowered ; pedicels very short ; bracts as long as the caly x. 
Calyx § in. long ; upper Jip orbicular, as long as the campanulate tube ; 
lower cusps small. Corolla a little longer than the calyx. Stamens as 
long as the corolla. Upper filaments naked. 
Lower Guinea. Angola: province of Huilla, Welwitsch, 5473! 
20. O. villosus, Briquet in Engl. Jahrb. xix. 177. A perennial 
herb. Stem erect, clothed with short hairs. Leaves shortly petioled, 
ovate, crenate, rounded at the base, 1-11 in. long, moderately firm, 
thinly pubescent on both sides. Racemes lax, 2-3 in. long; rhac - 
hairy; flowers about 6 in a whorl; bracts lanceolate, small ; pedis 
4-4 in. long. Fruit-calyx } in. long; upper lip ovate, shorter than t : 
tube; lower cusps moderately large. Corolla } in. long. Stamen 
