Crossandra.^ xcviii. ACANTHACEiE (clarke). ll:i 



Bract broad ovate, densely ciliate on the margin . 5. C. jyinu/ens. 

 Bract lanceolate, with spreading white hairs . 6. C. -spinosa. 

 Bract entire, pointed, hardly spine-tipped or 

 inucronate. 

 Branches elongate with many nodes and branchlets. 

 Branches hairy ; bracts silky-hairy. 



Petioles up to i-1 in. long . . . . 7. C. niloiica. 



Leaves sessile 8. C. leikipiensis. 



Branches sparingly hairy ; bracts nearly glabrous 9. C. mucronata. 

 Branches -^2 in. long ; peduncles very long. 



Bracts elliptic, short acuminate, plicate . . 10. C. suhacaulia. 



Bracts obovate-oblong, obtuse, not plicate . . 11. C. primuloidea. 



** Bract papery, lanceolate, nearly glabrous. 



Leaf- base obtuse ; spike slender,, elongate . . 12. C. guineensis. 



Leaf- base spathulate; spike moderately dense . . 13. C. puberula. 



1. C. Greenstockii, ^S*. Mooi^e in Journ. Bot. 1880, 37. Pube- 

 scent. Stems 6-12 in. long, several from the short woody rootstock. 

 Leaves 1-0 in. long, narrowly elliptic, tapering to the base. Peduncles 

 0-6 in. long; spikes 1-6 by|-l in., dense; bract f in. long, herbaceous, 

 ovate, hairy, margins with several innocuous spinous teeth ; bracteoles 

 linear, longer than the calyx. Posticous calyx-segment \ in. long, 

 2-nerved, tip with 2 spinous hairy teeth. Corolla red (*S'. Moore) ; 

 tube J in. long ; segments J in. long. Anthers slightly hairy. Style 

 glabrous, except a few hairs at the base. Capsule f by ^ in., 4-seeded ; 

 seeds covered with tufts of white hairs, hardly scaly. — S. Moore in 

 Trans. Linn. Soc. ser. 2, Bot. iv. ?A ; Lindau in Engl. & Prantl, 

 Pflanzenfam. iv. 3 B. 319, and in Engl. Pfl. Ost-Afr. C. 370. 



nXozamb. I>lst. British Central Africa: Nyasaland ; Shire Highlands, 

 Buchanan, 15 ! Manganja Hills, Metier ! Mount Mlanje, Whyte ! McClounie, 63 ! 

 Scott. Elliot, 8635! and without precise locality, Buchanan, 76! 419! 590! 919 

 1387 ! 



Also in South Africa. 



The dried material appears to be tufts of Howermg shoots springing from woody 

 stocks after fire. 



2. C. flava, Hook. Bot. Mag. t. 4710. Pubescent. Stems 2-8 in. 

 long. Leaves up to 8 by 1| in., narrowly elliptic, long- tapering at the 

 base, often very coarsely undulate ; petiole up to J-1 J in. long. 

 Peduncle 1-3 in. long; spike 1-2 by 1|- in., dense; bract 1 in. long, 

 herbaceous, ovate, hairy, margins with several innocuous spinous teeth; 

 bracteoles linear, longer than the calyx. Posticous calyx-segment .V in. 

 long, 2-nerved, tip of 2 lanceolate hairy lobes. Corolla clear yellow ; 

 tube 1-lJ in. l^^ng, very slender; segments J in. long. Style very 

 thinly hairy. — Lindau in Engl. Sc Prantl, Pflanzenfam. iv. 3 B. 

 31i). 



Upper Guinea. Sierra Leone : Sugarloaf Mountain, Whitfield ! Dun ! Lagoa, 

 Millen, 122! Yoruba, Millson ! 



3. C. stenostachya, 0. B. Clarke. Pubescent. Stem 12 in. long, 

 simple, leafless below. Leaves in a te)ininal rosette up to ;") l)y ]}. in., 



