496 cii. LABIAT.15 (baker). [Otostegia. 



Sehweinfurth Sf Rimy 690! around Acrur^ 6100 ft., Schweinfurth ^ Riva, 749! 

 Keren, Steadner, 1395! Abyssitua : Tigre ; lower part of Mount Kubbi, near Genuia, 

 in the Menisach distiict, iSchirnper, 125 ! Shoa ; Alin Ainba, Rolh, 530 (187) ! 

 Ankober, Rolhy 531 ' and witliout precise locality, Quartin-Diiion djf Petit, 428 ! 

 Schimper, GO \ 1938! Parkyns ! Salt. 

 Also in Arabia. 



6. O. modesta^ S. Moore in Joum. Bot. 1899, 65. Stem short, 

 pale brown, tomentose when young, glabrescent. Leaves petioled, 

 ovate, very small, obtuse, crenate or dentate, minutely pubescent above, 

 tomentose beneath. Flowers solitary in the axils of the leaves ; bracts 

 spinous, very slender, J in. long. Calyx-tube pubescent, narrowed to 

 the base J in. long; upper lip very short, with 3 triangular teeth; 

 leaves 4- in. long, undulated. Corolla twice the length of the calyx ; 

 limb as long as the tube. 



IVlle Iband. British Somaliland ; Waggar Mountains, Mrs. Lort- Phillips. 



40. TINNEA, Kotschy et Peyr. ; Benth. et Hook. f. Gen. Plant. 



ii. 1220. 



Calyx campanulate, with two orbicular entire lips, very much 

 enlarged and becoming bladderlike in a late stage and splitting down to 

 the base into two lips. Corolla- tube broadly funnel-shaped, scarcely 

 longer than the calyx ; limb bilabiate ; upper lip short, orbicular ; lower 

 longer, deflexed, 3-lobed. Stamens 4, didynamous, arcuate ; anthers 

 2-celled; cells short, diverging, finally subconfluent. Disk equal. 

 Ovary shortly 4-lobed ; style bifid at the apex; upper branch very 

 short. Nucules clavate, furnished with a broad membranous wing. — 

 Shrubs or perennial herbs. Leaves sessile or petioled, usually entire. 

 Whorls 2- or few-flowered, axillary or forming terminal panicles. 

 Flowers small, brownish. 



An African genus, chiefly tropical ; one species in South Africa, 

 Branchlets not long and virgate. 

 Calyx very large and inflated. 



Flowers in a terminal racemose panicle . . .1. T. physaloides. 



Fruit axillary, solitary or sparsely cyuiose . . 2. T. vesiculosa. 



Calyx smaller (finally ^~\ in. long). 



Leaves linear ....... 3. T.Jilipes. 



Leaves oblong . . . . . . . 4. T. cethiopica. 



Leaves lanceolate or ovate-lanceolate . . . 5. T. gracilis. 



Leaves broadly ovate 6. T. Fischeri. 



Leaves suborbicular 7. T. plaiyphylla. 



Branchlets long and virgate. 



Floral leaves large 8. T. vestila. 



Floral leaves small. 

 Pedicels short. 



Flowers in pairs from the axils of reduced leaves . 9. T. antiscorbutica. 

 Flowers forming a terminal racemose panicle. 



Bracts ovate, acute 10. T. BarteH. 



Bracts orbicular or obovate , . . . 11. T. eriocalyx. 



Pedicels as long as the liower-calyx . . .12. T. zambesiaca. 



