134 XCVIIl. ACANTHACEE (CLARKE). [ Asystasia. 
9. A. macrophylla, Lindau in Engl. & Prantl, Phanzenfam. iv. 
3 B. 826. Shrub up to 10 ft. high. Leaves up to 14 by 44 im. 
(commonly # this size), elongate-obovate, acuminate, when mature 
glabrous shining; petiole 0-1} in. long. Panicle 4—8 in. long, linear, 
minutely rusty hairy, lower small cymes } in. long, distant; bract 
4 in. long, linear. Sepals } in. long, linear, minutely rusty. Corolla 
purple to white; tube 1} in. long, dilated in the upper half. Anthers 
2-celled; cells parallel, each with 2 tails at the base; pollen small, 
short-ellipsoid, more trigonous than in the preceding species. Ovary 
glabrous ; ovules 2 in each cell.—Dicentranthera macrophylla, T. Anders. 
in Journ. Linn. Soe. vii. 52; Hook. f. Bot. Mag. t. 5696. 
Upper Guinea. Cameroons: Batanga, Bates, 140! Bipindi, Zenker, 825! 
Johann Albrechts-Hihe, Staudt, 470! Victoria, Preuss, 1146 ! 1179! 1365! Yaunde, 
Zenker, 427: 655! Zenker & Staudt, 200a! 639! River Cameroon, Mann, 2197! 
Fernando Po, Mann, 13! 
Lower Guinea. Gaboon: Munda; Sibange Farm, Soyaur, 291! Bittner, 
351! 358! Gaboon River, Mann ! 
Ovules 4-6 in ovary (7. Anderson), 4 in each cell (J. D. Hooker). 1 find 2 in 
each cell, as Bentham and Lindau state. 
10. A. africana, C. B. Clarke. Herb, 2-3 ft. high. Leaves up 
to 32 by 1} in., narrowed at either end, mature pubescent on the 
midrib beneath, otherwise glabrous; petiole }-1 in. long. Inflorescence 
terminal, lax ; spikes 14 in. long, panicled, not unilateral; bracts hardly 
jy in. long, linear. Calyx 1, in. long; lobes 5, lanceolate, minutely 
pubescent. Corolla nearly 3 in. long; tube } in. long. Anthers 
oblong, parallel, obscurely mucronate at the base; pollen of the 
genus. Ovary glabrous; 2 ovules in each cell; style-branches short, 
oblong, subconnate. Capsule 1 in. long, 4-seeded; stalk 4 in. long, 
solid; seeds tubercular-scabrous, without hairs.—Jsochoriste africana, 
S. Moore in Journ. Bot. xviii. 1880, 309; Lindau in Engl. & Prantl, 
Pflanzenfam. iv. 3 B. 326. 
Lower Guinea. Angola: Pungo Andongo, Welwitsch, 5073! 5078! 5079! 
11. A. Welwitschii, S. Moore in Jowrn. Bot. 1880, 308. Herb, 
2-4 ft. high. Stem quadrangular, microscopically pubescent, at 
with cystoliths. Leaves 23 by 3-1 in., suddenly narrowed at the 
base, scabrid hairy above, more hairy beneath with parallel raise 
primary nerves. Petiole hardly any. Spikes terminal and peduncled 
axillary, 24-7 by 3-1 in., 10-60-flowered, sometimes branched, forming 
a terminal compound spike, shortly hairy; bracts } in. long, ovate 
acute. Sepals 4-3 in. long, linear-lanceolate. Corolla rose-white 
(S. Joore); tube } in. long. Anthers shortly tailed. Capsule 1} 10. 
long, 4-seeded, very minutely pubescent.—Lindau in Engl. & Prantl, 
Pflanzenfam. iv. 3 B. 326. 
Lower Guinea. Angola: Pungo Andongo and Huilla, Welwitsch, 5039, 5105, 
5188! Pungo Andongo, Mechow, 46! Malange, Buchner, 123! Pogge, 302! Huilla, 
Antunes, 177! Newton! 
12. A. Charmian, §. Moore in Journ. Bot. 1880, 38. Hairy: 
Stem quadrangular. Leaves up to 3} by 3 in., narrow-elongate- 
