80 XCVIII. ACANTHACEE (CLARKE). [ Disperma. 
Leaves 1-13 in, long 2. D. quadrisepalum. 
Leaves up to4in, long. . 3. D. parviflorum. 
Large, semiscandent ; corolla 2 in. long. 
Inflorescences elongate, oblong, quasi-terminal. 
Leaves up to 8 in, long, entire . 4. D. quadrangulare. 
Leaves up to 33 in. long, crenate-dentate 5. D. dentatum. 
Leaves up to 13 in. long, entire, oblong, densely 
woolly . . : . . . . 6. D. angolense, 
Inflorescences short, dense, quasi-lateral . 7. D. densiflorum, 
1. D. kilimandscharicum, C’. 2. Clarke. Pubescent small shrub. 
Leaves 3-1 by } in., obovate, obtuse, toothed, microscopically densely 
dotted, cystoliths obscure ; petiole hardly any. Flowers clustered, in 
axillary small cymes; bracteoles lanceolate, } the length of the calyx. 
Calyx | in. long, divided } way down, with many cystoliths ; tube 
nearly glabrous within, short-pubescent without ; teeth narrowly linear- 
lanceolate. Corolla } in. long, somewhat 2-lipped ; lobes contorted in 
bud, obtuse, hairy without, with many long deflexed hairs in the throat. 
Stamens 4; filaments with long white hairs below, and a few stalked 
glands upwards; anthers equal, similar, base not apiculate; pollen 
round-ellipsoid, longitudinally several-ribbed. Ovary glabrous; style 
hairy, with 2 linear unequal stigmatic branches; ovule 1 in each cell. 
Capsule 4 in. long, obovoid-ellipsoid, much flattened, hard brown, 
shining. Seeds 2, round, flattened, on large retinacula, covered with 
tufted long hairs, which spring out elastically on being wetted.— 
Dyschoriste kilimandscharica, Lindau in Engl. Pfl. Ost-Afr. C. 367, and 
in Engl. Jahrb, xxiv. 315. 
Mozamb. Dist. German East Africa: Kilimanjaro, 3000 ft., Volkens, 1721! 
Var. 8 bracteolata, C. B. Clarke. Bracteoles as long as calyx narrowly oblong. 
Flowers in denser clusters. Calyx more hairy. 
Mile Land. British East Africa: Ukamba, Scott-Elliot, 6306 partly ! 
The other part of Scott-Elliot, 6306, is Justicia fruticulosa, Lindau. 
2. D. quadrisepalum, ('. B. Clarke. Pubescent smal] shrub. 
Leaves up to 1} by # in., narrowed at both ends, more or less strongly 
crenate-toothed; petiole hardly any. Flowers closely clustered in 
axillary small cymes ; bracteoles linear-lanceolate, as long as the calyx. 
Calyx exceeding 4 in. in length, 4-fid nearly to the base, 2 anticous 
segments connate nearly to the tip into 1 obovate-elliptic 2-nerved 
piece, 3 others nearly equally long. Corolla 4 in. long. Stamens 4, 
subsimilar ; anthers of 2 equal parallel oblong muticous cells; pollen 
ellipsoid, many-ribbed. Style thinly hairy ; branches 2, linear-oblong. 
Capsule { in. long, obovoid, flattened, woody, brown, 2-seeded.— 
Hygrophila crenata, Lindau in Engl. Jahrb. xx. 6, and in Engl. Pf. 
Ost-Afr. C. 366. 
Mozamb. Dist. German East Africa: Wadiboma, Fischer, 495! Usagara; 
Mpwapwa, Stuhlmann, 287! British Central Africa: Rhodesia: Panda-ma-Tenka, 
Holub ! Leshumo Valley, Holub, 714! 715! Tamasanka, Holub, 1212-1214! 
From the 4-fid calyx and the 1-ovulate ovary-cells, this species was referred 
Barleria, sect, Somalia, It is very like D, kilimandscharicum. 
