34G cii. LABIATE (baker). [Ociiuum. 



^>4. O. knyanuxn, Vatke in Linnoa, xxxvii. ol5. Perennial. 

 Stems erect, branched, pubescent. Leaves nearly sessile, oblong or 

 oblong-lanceolate or linear, crenate, ciineate at the base, 1-2 in. long. 

 Raceme long and lax, with (in the type) a coma of persistent linear 

 bracts ; flowers 4-6 in a whorl ; pedicels very short, pubescent. Calyx 

 finally |-^ in. long ; upper lip orbicular, shorter than the tube ; lower 

 cusps large. Corolla twice as long as the calyx ; lips as long as the 

 tube. Stamens much exserted ; two upper filaments with a tuft of 

 hairs above the base. — 0. cahjcosum^ Hochst. and 0. comiget'um, Hochst. 

 ex Briquet in Engl. Jahrb. xix. 1(51. 



MTlle Ziand. Abyssinia : Tigre ; Hamedo plain near (ioelleb, 4000-5500 ft., 

 Scliimper, 2303 ! and without precise locality, t^chimper, 221 ! 387 ! Somaliland : 

 Boobi, James Sf Thrupp I British East Africa : Jur : Jur (ihattas, Schtveinfurth, 

 1315 ! Gir, Schwehifurth, 1438 ! 



XiO\irer Guinea. . German South-west Africa : Amboland : I'kambia, ISchinz, 

 50! 



Mozaznb. Blst. Portuguese East Africa : Lower Zambesi ; between Lupata 

 and Tete, Kirk ! British Central Africa : Nyasaland ; Masuka Plateau, 6500- 

 7000 ft., Wliyte ! 



Var. astephanum. Baker. Raceme without an apical coma of persistent linear 

 bracts. — O. hians vars. macrocanlon and microphyllicm, Briquet in Engl. Jahrb. 

 xix. 161. 



Upper Guinea. Niger Territory : Nupe, at Lom, Barter, 1283 ! 



ZiO-wer Guinea. Angola, Welwiisch, 5493 ! 5514 ! 



Mozamb. Bist. German East Africa : Lake Tanganyika, Cameron ! Lower 

 plateau, north of Lake Nyasa, Thomson I 



35. O. lamiifolium, Hochst. ; Benth. in DC. Prod. xii. 87. An 

 erect perennial, with very hairy stems. Leaves distinctly petioled, 

 ovate, acute, regularly crenate, 1-2 in. long, slightly pubescent on both 

 sides. Racemes long, lax, branched at the base ; whorls many-flowered : 

 bracts broadly ovate, cuspidate, deciduous, bright-coloured; pedicels 

 J in. long. Calyx at first \ in., finally \-h in. long ; upper tooth ovate, 

 obtuse, rather shorter than the tube ; lower with two large cusps. 

 Corolla-tube as long as the calyx. Stamens much exserted ; filaments 

 of the two upper penicillate above the base.— A. Rich. Tent. Fl. Abyss, 

 ii. 178 ; Engl. Hochgebirgsfl. Trop. Afr. 358 ; Yatke in Linnsea, 

 xxxvii. 315. 



lO'ile Iiand. Abyssinia: Tigre ; among shrubs on the high banks of rivers iu 

 the northern region of Mount Sholoda, Schimper, 107 ! near Adowa, Schimper, 1864! 

 and without precise locality, Schimpery 258 ! 



3C. O. dichotomum, Hochst. ; Benth. in DC. Prod. xii. 39. An 

 erect annual, with the habit of 0. basilicum. Stems much -branched, 

 erect, slightly pubescent. Leaves shortly-petioled, oblong-lanceolate, 

 subentire, 1-H in. long, nearly glabrous. Racemes long, lax ; rhachis 

 slightly pubescent ; whorls many-flowered ; bracts small ; pedicels very 

 short. Fruit-calyx -J in. long; upper lip ovate -cuspidate, longer than 



