58 XCVIII. ACANTHACEH (CLARKE). [Physacanthus. 
2. P. cylindricus, (. 2. Clarke. Stems 3-9in. high. Leaves up 
to 3 by 1} in., obtuse at the tip; petiole 4-2 in. long, hirsute. Bracts 
3-4 in. long, obovate-elliptic, hairy; bracteoles minute. Calyx (young) 
% by 4 in., hairy, in fruit ? by + in,, a little inflated, glabrate. Corolla 
white (J/ann); tube 1 in. long; lobes } in. long. Style with one 
branch longer, subspathulate. Capsule 4 in. long, cylindric. 
Lower Guinea. Gaboon: Sierra del Crystal, Mann, 1669! 1670! 
14. HEMIGRAPHIS, Nees; Benth. et Hook. f. Gen. Pl. ii. 1086. 
Sepals 5, nearly separate, subequal, linear. Corolla 4-4 in. long (in 
African species), not 2-lipped ; tube nearly linear-cylindric; segments 
much shorter, 5, subequal, contorted in bud. Stamens 4, subsimilar ; 
anther-cells 2, short elliptic, muticous; pollen globose, subtrigonous, 
many-ribbed. Style with one branch suppressed ; ovary hairy, with 
8 cr more ovules. Capsule cylindric, seed-bearing from the base, usually 
perfecting 6-12 seeds; retinacula rather stout, pointed, falcate ; seeds 
with hygroscopic hairs.— Leaves entire or scarcely crenate. Flowers in 
small axillary clusters, approximated into quasi-terminal spikes ; bract 
ovate or oblong; bracteoles 0. 
Species 20, mostly in India and Malaya, 3 in Africa. 
Leaves scarcely } in. long, elliptic to oblong. _ 
Spikes 2-4 in. long, many-flowered . . 1. H. abyssinica. 
Spikes 1-2 in. long, few-flowered . . . . . 2, H, tenera. . 
Leaves 2 in. long, lanceolate 3. H. Schweinfurthi. 
1. Hl. abyssinica, (. B. Clarke, Pubescent, wiry ; branches 4-12 
in. long. Leaves % by }~} in., elliptic, entire, subsessile. Spikes 2-4 
by 4 in.; bract } in. long, elliptic or oblong. Sepals } in. long, linear, 
hairy. Corolla hardly exceeding } in. long, not at all2-lipped. Stamens 
4; anthers 2-celled (1 cell occasionally imperfect): pollen of the genus. 
Capsule } in. long, narrowly oblong.—Polyechma abyssinicum, Nees 10 
DC. Prod. xi. 83; A. Rich. Tent. Fl. Abyss. ii, 141. Hygrophila 
abyssinica, T. Anders. in Journ. Linn. Soc. vii. 22. Cardanthera just- 
cioides, 8. Moore in Journ. Bot. 1880, 6. 
Wile Land. Sennar, Kotschy, 293! White Nile, at El Ehs, Schweinfurth, 972! 
Abyssinia, Schimper ! 
2. H. tenera, (. 4. Clarke. Pubescent; branches 8 in. long. 
Leaves } by }-1 in., elliptic obtuse, nearly entire, subsessile. Spike 
} in. long; flowers 1-2 in each axil; bract 4 in. long, oblong. Sepals 
5 in. long, linear-oblong, sparsely hairy. Corolla } in. long, not 2-lipped. 
Filaments glabrous; anther-cells short, muticous; pollen of the genus. 
Capsule } in. long, narrowly oblong, 8-10-seeded, seed-bearing from the 
base.— Dyschoriste tenera, Lindau in Eng). Jahrb. xxii. 116. 
Lower Guinea. Angola: Huilla, Antunes, 132! 308! 
3. H. Schweinfurthii, (. 4. Clarke. Pubescent, especially the 
inflorescence. Stems 6-11 in. high, erect. Leaves up to 21 by 4-4 1n.y 
lanceolate, tapering at either end, entire. Flowers in dense axillary 
and quasi-terminal heads, } in. in diam. ; bracts 4-1} in. long, oblong: 
