70 xcviii. ACANTHACEiE (clarke). [Lankesteria. 



Flowers in dense compound subglobose heads . . 1. X. parvijlora. 

 Flowers in strobilate linear-oblong spikes or panicles 



Spike; calyx ^ in. long . . , . . 2. i. elegans. 



Panicle linear ; calyx ^-\ in. long . 3. i. Barteri. 



1. L. parviflora, Lindl. in Bot. Reg. 1845, Misc. 8B, <& 184G, 

 t. 12. Stem and leaves pubescent, ultimately glabrous. Leaves up 

 to 4 J by ] J 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 J by ^^ in. Sepals |-1 in. long, ciliate 

 hairy. Corolla yellow or whitish ; tube \\ in. long; lobes obovate, \ in. 

 long. Filaments exserted ^^-^ in. Capsule J in. long, 2-seeded, covered 

 with glandular discs. — L. longijlcxfay Lindl. in Bot. Reg. 1846, sub 1. 12. 

 L. hispida, T. Anders, in Journ. Linn. Soc. vii. 32 ; Lindau in Engl, k, 

 Prantl, Pflanzenfam. iv. 8B. 311. Justicia hispida^ Willd. Sp. PI. i. 84. 

 Eranthemum hispidum, Nees in DC. Prod. xi. 456. 



Zioii^er Guinea. Sierra Leone : Leicester, below the waterfall. Barter ! in 

 woods, near Wallia, Scott-IElliot, 4452 ! and without precise locality, Don ! Smeath- 

 man I Afzelius I 



2. L. eleganSy T. Anders, in Journ. Linn. Soc. vii. Z?>^ partly. Stem 

 and mature leaves glabrescent. Leaves 5-9 by 2\ in., elliptic, acumi- 

 nate at both ends ; petiole J- J in. long. Spike terminal (or 2-8 sub- 

 terminal), 3-7 J by 1 in., strobiliform ; bracts laxly overlapping, |-1 by 

 J 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 IJ- 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 eleyans, Beauv. Fl. Owar. i. 84, t. 50. 

 Eranthemum elegcmSy Roem. et Schultes, Syst. i. 174; Nees in DC. 

 Prod. xi. 447. 



Upper Guinea. Gold Coast, Burton df Cameron ! Ashanti : Assin-Yan* 

 Coomassie, Cvmmins, 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 Sf Staudt, 218 ! Victoria, Freuss ! 



Xiower Guinea. Corisco Bay, Mann, 1861 ! 



3. L* Barteri, Hook.f. Bot. Mag. t. 5533. Stem and mature leaves 

 somewhat pubescent. Leaves up to 7 by 2J in., acuminate at both 

 ends; petiole 0-{ in. long. Linear panicles terminal (or 2-8 subter- 

 minal), 3-5 by 1 in. ; floral leaves J by J in., acute, overlapping, each 

 covering 2-4 flowers; bract (to each flower) -J in. long, linear; brac- 

 teoles 2, J in. long, linear. Sepals J-^ in. long, linear, with terete 

 needle- like points. Flowers nearly as of L. elegans. — Lindau in 

 Engl. <fe Prantl, Pflanzenfam. iv. 3B. 311, fig. 123, D-G ; in Engl. 



