160 xcvin. ACANTHACEiE (clarke). [Barlerici. 



Rukwa, 6000 ft., Nutt ! Unyamwezi ; Gonda, Boehm^ 164 ! Uziiija ; Bukonie, 

 Stuhlmann, 3431 ! British Central Africa : Urungu ; Fwanibo, Nutt ! 



48. B. grandis, Xees in DC. Prod. xi. 238. Branched shrub, 2-3 

 ft. high ; branches with cystoliths and a few gland-tipped several-celled 

 hairs, soon glabrate. Leaves up to 5^ by 1 J-2J in. ; narrow-elliptic to 

 ovate, subsessile, when mature glabrate, with cystoliths. Racemes nearly 

 all reduced to 1 flower, some in the lower axils, but chiefly in the upper 

 axils forming a quasi-terminal dense panicle ; bracteoles J-| in. long, 

 linear. Calyx densely short-hairy and glandular ; posticous sepal 1 \ by 

 J in., broadly oblong, hardly acute ; anticous calyx-segrfient nearly 

 similar but 2-nerved, minutely 2-toothed. Corolla blue {Xees) ; tube 2J 

 in. long, slightly widened upwards; lobes If in. long. Ovary covered 

 to the base with subsessile glands ; ovules 2 of equal size in each cell ; 

 style glabrous. — A. Rich. Tent. Fl. Abyss, ii. 143 ; Solms-Laub. in 

 Schweinf. Beitr. <F1. Aethiop. 242 ; Lindau in Engl. & Prantl, 

 Pflanzenfam. iv. 3 B. 314, fig. 125 A-D. B. grandijiora, R. Br. in 

 Salt, Abyss. Append. (54 (name only). >B. grandifolia, T. Anders, 

 in Journ. Linn. Soc. vii. 30 ; Engl. Hochgebirgsfl. Trop. Afr. 

 391. Barlerianthiis grandis, Orsted in Vidensk. Meddel. Kjob. 1854, 

 130. 



M'lle liand. Abyssinia : Tigre ; Addi-Cubbo-Hazzin, Schimper, 498 ! Mount 

 Sinai, near Adowa, Schimper, 702 ! Axuui, Steudner, 1509 ! Shire, Quartin- Dillon 

 ^ Petit, 283 ! and without precise locality, Parkyns ! 



49. B. Mackeniiy Hook. f. in Bot. Mag. t. 5866. — Branches 

 minutely and densely white-hairy, giabrescent. Leaves 2\ by 1 in., 

 narrowed at both ends, subsessile, minutely setulose on the nerves 

 beneath or glabrate. Racemes mostly reduced to 1 flower, in distant 

 axils and approximate at the ends of the branches ; bract | by ~ in. 

 Posticous sepal 1 by J-| in., hardly acute, densely pubescent with small 

 white hairs and with yellow bristles on the nerves ; anticous segments 

 similar ; 2 inner sepals J in. long, linear. Corolla mauve ; tube J in. 

 long ; lobes |-| in. long. Ovary covered to the base with minute white 

 hairs and short-stalked glands; ovules 2 in each cell, the lower very 

 much smaller than the upper ; style glabrous, or with a few hairs near 

 the base. — Card. Chron. 1871, 72, fig. 10 ; S. Moore in Journ. Bot. 

 1880, 266. 



Xiower Guinea. Amboland : Okasiraa-Ka-Namutenya, Schinz, 58 ! 



XkXozamb. Dlst. German East Africa : Usagara, 650 ft., Stuhlmann, 8154 ; 

 Britisli Central Africa : Matabeleland, Elliot, Tati Goldfields, McKen ! Goldfields, 

 lat. 23° S., Chapman Sf Baines ! Rhodesia; Schneemann's Pan, Holub, 917! 918! 

 Ngamiland ; Kwebe, Lugard, 124 ! 



50. B. xnarginata, Oliv. in Trans. Linn. Soc. xxix. 127, t. 128. 

 Rootstock woody ; branches 1-1 J ft. long with 2 opposite lines of 

 minute white curved hairs, glabrate. Leaves 3 by J in., narrowed to 

 the base, sessile, when mature nearly glabrate except for yellow simple 

 bristles on the margins and midrib beneath. Flowers approximate in 



