1G4 xcviii. ACANTHACEiE (clarke). [^Itarleria. 



GU. B. villosa, S. Moore in Journ. Bot. 18^0, 207. Rambling, 

 4 ft. high. Leaves ?)h by 1^ in., narrov/ed at both ends, villous with 

 bimple hairs on both surfaces; petiole up to 1 in. long. Inflorescence 

 nearly as of B. opcica. Posticous sepal | by -J in., entire ; anticous 

 calyx-segment bifid to \ of its length. Corolla blue-purple, tube 

 yellowisli ; otherwise as B. ojyaca. 



Xiower Guinea. Aiig(^lii : Goluiigo Alto, Welwitsch, 5070! 5071! Malange, 

 Buckner, 138 ! 



Tliis species is near B. opaca, but 1ms the two outer calyx-segments much 

 narrower. 



61. B. ventricosa, JVees in DC. Prod. xi. 2o0. Erect, ij-i\ ft. high 

 {Nees) ; strigose with tawny hairs prominent on the innovations. 

 Leaves up to 2 by | in., yellow-green ; petiole 0— | in. long. Spikes 

 much less dense than in B. opaca, and with more numerous scattered 

 cymes in remoter^ axils; otherwise as B. opaca. — A. Rich. Tent. Fl. 

 Abyss, ii. 143 ; T. Anders, in Journ. Linn. Soc. vii. 30; Solms-Laub. in 

 Schweinf. Beitr. Fl. Aethiop. 107, 243; Engl. Hochgebirgsfl. Trop. 

 Afr. 391 ; Lindau in Engl. & Prantl, Pflanzenfam. iv. 3 B. 314, in 

 Engl. Pfl. Ost-Afr. C. 369, and in Ann. Istit. Bot. Roma vi. [1896] 71. 

 B. mollis, R. Br. in Salt, Abyss. Append. 64. B. angicstiloha, Lindau 

 in Engl. Jahrb. xx. 20, and in Engl. Pfl. Ost-Afr. C. 369. 



wile Iiand. Eritrea : Bogos, 8000 ft., Hildehrandt, 466 ! Keren, Sfeudner, 

 1511 ! Aitala near Acrour, 5900 it., Schioeinfurth Sf Riva, 1346 ! near Ginda, 3000- 

 3500 ft., Schiceinfurth Sf Riva, 2118 ! 2199 ! Abyssinia : Tigre ; Mount Slioloda, 

 Schiinper, 42 I IMai Gouagoua, Petit! Mount Kubbi, Schimper, 797! Samen; Jaja, 

 6000 It., Schimper, 2,^^ \ Ankober, Roth, 486! Teramne, Rohlfs Sf Sleeker! Choho, 

 Quart in- Dillon Sf Petit, 296 ! and without precise locality, Salt ! Parki/ns ! 

 Schimper, IQW 1903! Somaliland: Yiar-AY , Rohecchi , ^ \ 

 XMozamb. Dist. Genran East Africa. Fischer, 135 ! 



62. B. Grantii, Oliv. in Trans. Linn. Soc. xxix. 127, t. 127. 

 Shrub. Branches full of cystoliths, when young with opposite minutely 

 hairy lines, when mature glabrate. Leaves 2 by 1| in., ovate, acute, 

 with minute scattered hairs on both surfaces, base rounded ; petiole 

 0-^ in. long. Cymes 2-1-flowered, principally in the upper axils, 

 running into terminal spikes ; bract | in. long, linear. Posticous sepal 

 nearly J in. long, entire, ovate ; anticous calyx-segment § in. long, 

 ovate, tip 2-toothed. Corolla blue; tube f in. long, inflated in the 

 upper half ; lobes nearly § in. long. Ovary and style glabrous ; disc 

 large, cup-shaped ; ovules solitary {Oliver). Ca})sule | in. long, 2-seeded 

 {Grant). — Lindau in Engl. Pfl. Ost-Afr. C. 368. Ruellia, sp. n. 2, 

 T. Thoms. in Speke, Nile Append. 643. 



IVlIe Iiand. British East Africa : Madi ; rocky banks of the Nile, Grant, 

 665! 



Allied, as Oliver says, to B. ruellioides, T. Anders., which has the Howers in 

 condensed unilateral cymes. 



63. B. Liimnogeton, >S'. Moore in. hum. Linn. Soc. xv. 95. Villous, 

 especially the young parts and inflnrescence. Leaves 4 by 1 in., oblong, 



