160 XCVILI, ACANTHACE (CLARKE). [ Barleria. 
Rukwa, 6000 ft., Nutt! Unyamwezi; Gonda, Boehm, 164! Uzinja; Bukome, 
Stuhlmann, 3431! British Central Africa: Urungu; Fwambo, Nutt! 
48. B. grandis, Nees in DC. Prod. xi. 233. Branched shrub, 2-3 
ft. high ; branches with cystoliths and a few gland-tipped several-celled 
hairs, soon glabrate. Leaves up to 5} by 14-2} 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 4—} in. long, 
linear. Calyx densely short-hairy and glandular; posticous sepal 1} by 
% in., broadly oblong, hardly acute; anticous calyx-segment nearly 
similar but 2-nerved, minutely 2-toothed. Corolla blue (WVees) ; tube 2} 
in. long, slightly widened upwards; lobes 12 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. Fl. Aethiop. 242; Lindau in Engl. & Prantl, 
Pflanzenfam. iv. 3 B. 314, fig. 125 A-D. B. grandiflora, R. Br. in 
Salt, Abyss. Append. 64 (name only). ZB. grandifolia, T. Anders. 
in Journ. Linn. Soc. vii. 30; Engl. Hochgebirgsfl. Trop. Afr. 
rn Barlerianthus grandis, Orsted in Vidensk. Meddel. Kjob. 1854, 
6. 
Nile Land. Abyssinia: Tigre; Addi-Cubbo-Hazzin, Schimper, 498! Mount 
Sinai, near Adowa, Schimper, 702! Axum, Steudner, 1509! Shire, Quartin-Dillon 
& Petit, 283! and without precise locality, Parkyns ! 
49. B. Mackenii, Hook. f. in Bot. Mag. t. 5866.—Branches 
minutely and densely white-hairy, glabrescent. 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 yz in. 
Posticous sepal 1 by 4-3 in., hardly acute, densely pubescent with small 
white hairs and with yellow bristles on the nerves ; anticous segments 
similar ; 2 inner sepalsdin. long, linear. Corolla mauve; tube } 1D. 
long ; lobes $—-7 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.—Gard. Chron. 1871, 72, fig. 16; S. Moore in Journ. Bot. 
1880, 266. 
Lower Guinea. Amboland: Okasima-Ka-Namutenya, Schinz, 58! 
_Mozamb. Dist. German East Africa: Usagara, 650 ft., Stuhlmann, 8154; 
British Central Africa: Matabeleland, Elliot, Tati Goldfields, McKen ! Goldfields, 
lat. 23° S., Chapman & Baines! Rhodesia; Schneemann’s Pan, Holub, 917! 918! 
Ngamiland; Kwebe, Lugard, 124! 
50, B. marginata, Oliv. in Trans. Linn. Soc. xxix. 127, t. 128. 
Rootstock _ woody ; branches 1-14 ft. long with 2 opposite lines of 
minute white curved hairs, glabrate. Leaves 3 by 4 in., narrowed to 
the base, sessile, when mature nearly glabrate except for yellow simple 
bristles on the margins and midrib beneath. Flowers approximate ip 
