206 XCVIII. ACANTHACEH (CLARKE). [ Justicia, 
a single longitudinal row of round spots, not tubercles. Capsule 1 in. 
long, 4-seeded, pubescent; stalk $ in. long, solid; seeds tubercular- 
scabrous.—Adhatoda paniculata, Benth. in Hook. Niger Fi. 482. 
Duvernoia paniculata, Lindau in Engl. Jahrb. xx. 43, and in Engl. & 
Prantl, Pflanzenfam. iv. 3 B. 339. 
Upper Guinea. Cameroons, Preuss, 1350! Fernando Po, Vogel, 144! Mann, 63! 
Var. contracta, C. B. Clarke. Panicle branches shortened, hardly exceeding 
1 in. in length : floral leaves (all but the lowest) reduced, 4 in. long, linear. Capsule 1 in. 
long, 4-seeded ; stalk exceeding } in. in length, narrow, solid ; seeds tubercular. 
Upper Guinea. Cameroons: Efulen, Bates, 367! Jensoki, Buchholz! Lolodorf, 
Staudt, 418! 
Lower Guinea. Gaboon: Munda; Sibange Farm, Soyaux, 399 ! 
63. J. pyramidata, C. B. Clarke. Upper part of the stem 
viscous rusty with many-celled hairs. Leaves broadly ovate or obovate, 
rusty hairy on the midrib beneath. Panicles 8 by } in.; floral leaves 
4 in, long, linear. Corolla light-red (G. Mann) ; otherwise as J. laxa.— 
Duvernoia pyramidata, Lindau in Engl. Jahrb. xxii. 124. 
Upper Guinea. Cameroons: Yaunde, Zenker & Staudt, 460! Bipinde, 
Zenker, 1047! 
Lower Guinea. Gaboon: Sierra del Crystal, Mann, 1671! 
These examples match one another closely, and appear distinct enough from ty pical 
J. laxa, but J. lara, var. contracta, is about half way between. 
64. J. extensa, 7’. Anders. in Journ. Linn. Soc. vii. 44. Panicle 
6-10 in. long, oblong or ovate. Calyx hairy. Filaments minutely 
hairy; pollen ellipsoid, banded, with 2 stopples, and one row 0 
depressed tubercles on each side of each stopple. Ovary shaggy- 
Capsule rather shorter than that of J. laxa, shortly hairy all over.— 
S. Moore in Journ. Bot. 1880, 341. Duvernoia extensa, Lindau in 
Engl. Pfl. Ost-Afr. C. 372. D. Stuhlmanni, Lindau in Engl. Jahrb. 
xx. 43, and in Engl. & Prantl, Pflanzenfam. iv. 3 B. 339. 
Upper Guinea. Sierra Leone: near Kambia, Scott-Elliot, 4210! Ashanti, 
Cummins, 6! Lagos: Eppah, Barter, 3301! Musin Road, Millen, 21 of 1892 collec- 
tion ! near Lagos, Rowland, 12! 34! Cross River, Johnston ! 
Lower Guinea. Angola, Welwitsch, 1248! 
Mozamb. Dist. Between Tanganyika and Victoria Nyanza, 3000 ft., Stubl- 
mann, 2953! 
The breadth and degree of compounding of the panicle varies considerably. The 
panicle is more hairy than that of J. laa, but the mature leaves are often shining 
glabrous, 
65. J. cordata, 7. Anders. in Journ. Linn. Soc. vii. 44. Shrub, 
nearly glabrous except the flowers; branches woody. Leaves 1 by 
+ in, ovate, subsessile; base truncate or cordate. Peduncles 3-1} in. 
long, rigid, angular, obliquely erect, from the lower and upper axils ; 
flowers 1-3, clustered in a congested cyme at the apex of a peduncle, 
bracts smaller than the sepals. Sepals 5, equal, 4 in. long, lanceolate; 
minutely and sparsely pubescent. Corolla-tube scarcely } in. long; 
