Anisotes.] XCVIII. ACANTHACEE (CLARKE). 227 
2. A. parvifolius, Oliv. in Hook. Ic. Pl. t. 1527. Leaves 3-1 
by 4-4 in., obovate; otherwise as A. sessiliflorus.—Oliv. in Trans. 
Linn. Soc. ser. 2, Bot. ii. 346; Lindau in Engl. & Prantl, Pflanzenfam. 
lv. 3 B. 351, and in Engl. Pf. Ost-Afr. C. 374. 
Nile Land. British East Africa: Kilimanjaro expedition, 40-60 miles from 
the Mombasa coast, Johnston ! 
In A, sessiliflorus there occur small leaves 1-12 in. long on some shoots and in 
some axils, The material for 4. parvifolius is scanty, and I suspect that with more 
it and A. sessiliflorus may hereafter be judged to be one. A. trisulcus, Nees, the type 
of the genus, differs little but by the persistent grey pubescence. 
3. A. Zenkeri, (. B. Clarke. Glabrate; innovations minutely 
hairy. Leaves up to 14 by 54 in., narrowed at both ends; petiole 14 
in.long. Spikes axillary, 2 in. long, dense with very numerous flowers ; 
bracts small. Calyx 4-1 in. long, glabrous or sparsely bristly. Corolla 
1} in. long. Stamens, pollen and pistil of the genus.—Himantochilus 
Zenkeri, Lindau in Engl. Jahrb. xx. 60, and in Engl. & Prantl, Pflan- 
zenfam. iv. 3 B, 346, fig. 141, B. 
Upper Guinea. Cameroons: Yaunde, Zenker, 119! 194, 647! 675! 
4. A. velutinus, Lindau in Engl. Jahrb. xx. 76. Shrub, 2 ft. 
high, grey with dense minute white hairs; branches very woody. 
Leaves 3 by nearly } in., round-obovate, very obtuse ; petiole } in. long. 
Axillary peduncles {-} in. long, carrying 3-1 flowers close together at 
the top; bracts (or bracteoles) } in. long, linear. Sepals 5, 4 in. long, 
linear-lanceolate, 3-nerved. Corolla # in. long; lips long; anticous 
narrow, hairy without. One anther-cell below the other, mucronate at 
the base or very short-tailed. Ovary hairy towards the top.—Lindau 
in Engl. & Prantl, Pflanzenfam. iv. 3 B. 351. 
Wile Land. Somaliland: Ahl Mountains, 6500 ft., Hildebrandt, 8558! 
Corolla hardly half the length of that of A. parvifolius. 
48. ISOGLOSSA, Oerst.; Benth. et Hook. f. Gen. Pl. ii. 1111. 
Calyx small, subequally 5-partite nearly to the base; segments 
lanceolate or linear. Corolla small or medium-sized (or 1-1} in. long 
in sect. Pseud-Adhatoda), 2-lipped; tube thick-cylindric or inflated in 
the upper half (not linear); anticous lip ovate, deeply 3-lobed or sub- 
entire, white, red or yellow with the palate often spotted ; posticous lip 
ovate to oblong, 2-lobed or nearly entire. Stamens 2 (without rudiments 
of the other two); filaments glabrous; one anther-cell completely over 
the other, elliptic, or (in sect. Psewd-Adhatoda) anther-cells oblong 
parallel, one very slightly below the other; base of anther-cells rounded 
or minutely mucronate, not tailed; pollen globose compressed, the 2 
flattened faces circular, nearly smooth, with a stopple in the centre. 
Pistil glabrous ; style very shortly and equally 2-lobed ; disc 4 thickened 
ring (not a cup); ovary with 2 ovules in each cell. Capsule rather 
