Dyschoriste. | XCVUI. ACANTHACEA (CLARKE), a 
Nile Land. Abyssinia, Kotschy. 
Not seen. Said to be allied to D. adscendens, a species likewise unknown to late 
writers, 
26. D. subquadrangularis, (. B. Clarke. Stem 3 ft. high, 
subquadrangular. Leaves + by 4 in., ovate, narrowed at either end, 
pubescent ; petiole ;1, in. long, hairy. Inflorescences axillary, cymose, 
congested, hairy; bracteoles linear, minute. Flowers blue. Calyx 
} in. long, divided half-way down, hairy, glandular. Corolla-tube 2 in. 
long; lobes 4 in. long. Style hairy. Capsule nearly 4 in. long, 
4-seeded.—Hygrophila subquadrangularis, Lindau in Engl. Jahrb. 
xxiv. 314, 
Mozamb, Dist. German East Africa: Usambara; 1600 ft., Buchwald, 94. 
Said to be most nearly allied to Hygrophila Volkensii, Lindau (a Dyschoriste) ; 
and, having only 4 seeds to the capsule, is probably a Dyschoriste. 
Cheetacanthus, Nees. This genus differs from Dyschoriste by having two stamens 
only; and is South African; no example from Tropical Africa having been seen. In 
Engl. PA, Ost-Afr. C. 367, Lindau places in Tropical East Africa two species—viz., 
C. setiger (Stuhlmann, 1347 ) and C. Burchellii (Holst, 8917), both of which prove to 
have 4 stamens and to be Dyschoriste radicans, Nees. There would appear to exist 
further ground for Chetacanthus occurring in Tropical Africa from Lindau l.c., but 
none was found at Berlin, 
22. DISPERMA, C. B. Clarke. 
Calyx small, tubular half its length, or 3 posticous segments nearly 
Tee; segments 5, equal, narrow-oblong, or 2 anticous connate nearly to 
thetop. Corolla small, 4~3in. long; tube narrowly funnel-shaped from 
the base or subcylindric ; lobes 5, subequal, ovate, contorted in bud. 
tamens 4, subsimilar ; anther-cells linear-oblong, parallel, rounded at 
the base; pollen short-ellipsoid, ribbed. Ovary with 1 (sometimes 2) 
ovule in each cell; style with 2 linear-oblong (often unequal) branches. 
Capsule small, 2-seeded, obovoid-ellipsoid, much flattened, woody, brown, 
sining ; seeds discoid, with many hygroscopic hairs on the margin.— 
Small or medium-sized shrubs, more or less hairy. Leaves entire, 
“renate, or toothed. Clusters of flowers axillary ; bract oblong, about 
a8 long as the calyx; bracteoles similar, smaller. 
Species, the 7 following, endemic in Tropical Africa. 
_ The character which holds these 7 species closely together is the flattened 
ellipsoid capsule, which is quite different from the capsule of Dyschoriste, when 
Y accident 2 seeds only are perfected. here is one ovule in each cell with frequently 
Ower imperfect one added; as in species of Barleria. The genus Lamiacanthus, 
*Auntze founded on a Javan plant, may prove hereafter to include Disperma, but its 
“apsule is unknown, 
Erect ; corolla $ in, long, 
Calyx subequally 5-fid about 3-way down . . wD. kilimands- 
~ * charicum, 
a 
Calyx 2-anticous segments connate 2 their length, 
3 posticous segments free, 
