70 XCVIII, ACANTHACEA (CLARKE). | Lankesteria. 
Flowers in dense compound subglobose heads . . L. ZL. parviflora. 
Flowers in strobilate linear-oblong spikes or panicles 
Spike; calyx din. Jong. . . . . 2, LD, elegans, 
Panicle linear; calyx 3-3 in. long . . . 8. DL, Barteri. 
1. L. parviflora, Lindl. in Bot. Reg. 1845, Misc. 86, d 1846, 
i. 12. Stem and leaves pubescent, ultimately glabrous. Leaves up 
to 44 by 1} in, tapering at both ends; petiole hardly any. Heads 
ovoid, up to 1 in. diam., dense; lateral heads distant, smaller, some- 
times few-flowered; bract }? by ;/, in. Sepals }-1 in. long, ciliate 
hairy. Corolla yellow or whitish; tube 1} in. long; lobes obovate, 4 in. 
long. Filaments exserted ;,—} in. Capsule 4 in. long, 2-seeded, covered 
with glandular discs.—Z. longiflora, Lind]. in Bot. Reg. 1846, sub t. 12. 
L. hispida, T. Anders. in Journ. Linn. Soe. vii. 32; Lindau in Engl. & 
Prantl, Pflanzenfam. iv. 3B. 311. Justicia hispida, Willd. Sp. Pl. i. 84. 
Eranthemum hispidum, Nees in DC. Prod. xi. 456. 
Lower Guinea. Sierra Leone: Leicester, below the waterfall, Barter! in 
woods, near Wallia, Scott-Elliot, 4452! and without precise locality, Don ! Smeath- 
man! Afzelius ! 
2. L. elegans, 7. Anders. in Journ. Linn. Soc. vii. 33, partly. Stem 
and mature leaves glabrescent. Leaves 5-9 by 24 in., elliptic, acumi- 
nate at both ends; petiole 4-} in. long. Spike terminal (or 2-8 sub- 
terminal), 3-74 by 1 in., strobiliform ; bracts laxly overlapping, $-1 by 
3 in., acute, shining glabrous, minutely pubescent near the margin ; 
bracteoles shorter than the calyx, linear. Sepals } in. long, softly and 
minutely hairy, not ciliate. Corolla orange, withering dull reddish ; 
tube 1} by scarcely ;'; in.; lobes nearly } in. long, obovate. Ovary 
glabrous (or with a few minute hairs near the top), covered to the base 
with discoid glands, 4-ovulate.—Lindau in Engl. & Prantl, Pflanzenfam. 
iv. 3B. 311, and in Engl. Pfl, Ost-Afr. C. 368; Cummins in Kew 
Bulletin, 1898, p. 77. Justicia elegans, Beauv. F). Owar. i. 84, t. 50. 
Eranthemum elegans, Roem. et Schultes, Syst. i. 174; Nees in DC. 
Prod. xi. 447. 
Upper Guinea. Gold Coast, Burton & Cameron! Ashanti: Assin-Yau- 
Coomassie, Cummins, 50! 199! Lagos: Ajilete, Millen, 103! Otta, Rowland! and 
without precise locality, Moloney, 6! Millen, 120! Cameroons: Bipinde, Zenker; 
909! Yaunde, Zenker, 436! 518! Zenker & Staudt, 218! Victoria, Preuss ! 
Lower Guinea. Corisco Bay, Mann, 1861! 
5. L. Barteri, (ook. f. Bot. Mag. t.5533. Stem and mature leaves 
somewhat pubescent. Leaves up to 7 by 24 in., acuminate at both 
ends; petiole 0-j in. long. Linear panicles terminal (or 2-8 subter- 
minal), 38-5 by 1 in.; floral leaves } by 4 in., acute, overlapping, each 
covering 2—4 flowers; bract (to each flower) 4 in. long, linear; brac- 
teoles 2, 4 in. long, linear. Sepals 4-} in. long, linear, with terete 
needle-like points. Flowers nearly as of JZ. elegans.—Lindau in 
Engl. & Prantl, Pflanzenfam. iv. 3B. 311, fig. 123, D-G; in Engl. 
