Isoglossa.] xcviii. ACANTHACEiE (clarke). 231 



Nile Z.and. Somaliland : Sheik Husein, Donaldson Smith ! 



8. I. somalensis, Lindau in Ann. Istit. Bot. Roma, vi. (18'JC) H2. 

 Leaves up to 4 J by 1 j in., ovate, pubescent ; petiole 1 in. long. 

 Panide terminal, 3 by H in., very minutely hairy; bracts scarcely 

 yV in. long. Sepals nearly J in. long, linear, puberulous. Corolla 

 puberulous ; tube J in. long ; lips J in. long. One anther-cell far below 

 the other. 



Wile Ziand. Somaliland: between Algbe and Oi, Riva, 1293! 

 " Allied to /. lactea " (Lindau)'; and does not differ much, except that the leaves 

 are minutely hairy on the upper surface. 



9. I. strigosula, C. B. Clarke. Branches terete, with one or two 

 hairy lines or glabescent ; cystoliths many, small, longitudinal. Leaves 

 up to If by I in., acuminate at either end, strigose-hairy on the nerves 

 beneath ; petiole J in. long ; many upper leaves smaller, subsessile. 

 Panicles terminal and many axillary, loose, slender ; pedicels 0-J in. 

 long. Calyx \-\ in. long, subequally 5-partite nearly to the base ; 

 segments linear, minutely scabrous-hairy. Corolla J in. long ; very 

 hairy without ; tube about as long as the lips. Filaments glabrous ; 

 anther-cells muticous, one completely below the other ; pollen lenticular, 

 a stopple on each face. 



IVIozaznl). Dlst. British Central Africa : Nvasaland ; Masuka Plateau, 6500- 

 7000 ft., Whyte, 288 ! 



Allied to I, lactea^ but more pubescent. 



10. I. mossambicensis, Lindau in Engl. Ffl. Ost-Afr. C. 372. 

 Branches glandular-pubescent. Leaves up to 4 by 1 in., elliptic-lanceo- 

 late, with glandular many-celled hairs near the basal margin and con- 

 tinued down the petiole. Spikes axillary and terminal, 1 in. long, about 

 10-flowered ; floral leaves ^-i in. long, ovate or obovate, acuminate. 

 Sepals ^-i in. long, glandular-hairy. Corolla 'i in. long, glabrous ; tube 

 hardly -J in. long. Anther-cells muticous, divaricate, one somewhat 

 above the other. — Lindau in Engl. & Prantl, Pflanzenfam. iv. 3 B. 344, 

 and in Engl. Jahrb. xxiv. 324. 



Alozaxub. Bist. Portuguese East Africa : Gorongoza, Carua/Ao. 

 This differs from its neighbours principally in the broad (thougl small) floral 

 leaves. 



11. I. ninssorica, Lindau in Engl. Jahrh. xx. 5G. Stem with 

 many longitudinal cystoliths, hairy along two lines or glabrate. Leaves 

 6 by 2J in., acuminate at either end, nearly glabrous ; petiol'^ '>-]^ in. 

 long. Panicle branches 6 by ^ in., pubescent ; flowers in distant 

 clusters; bracts less than \ in. long, linear, glabrous. Calyx ^'.^ J in. 

 long, divided nearly to the base, scarious, subpetaloid ; segments linear- 

 lanceolate, with minute hairs but no cystoliths. Corolla \ in. long. 

 Anther-cells one above the other ; pollen lenticular, with one stopple on 



