CocMospermum.~\ xin. bixineje (oliver). 113 



Leaves divided more than halfway to the base, central lobe more or less 

 uarrowed below ; more or less pubescent beneath ; segments diver- 

 gent, not overlapping at the base 2. C. niloticum. 



leaves glabrous, divided more than halfway (three-fourths or more) to 

 the base ; segments usually more or less overlapping at the base . . 3. C. angolense. 



1. C. tinctorium, Rich, in Fl. Seneg. 99. t. 21. A small tree or 

 shrub, 5-6 ft. high, with numerous puberiileut leafy shoots, usually given off 

 from a low stock. Leaves petiolate, palminerved, of roundish outline, with 

 a cordate base, 5- or 3-lobed, pubescent and paler beneath, at length gla- 

 brescent and shining above ; lobes rounded or ovate-oblong, obtuse or acute, 

 serrulate or obsoletely sinuate-dentate. Leaves 1\-'6\ in. long, 3-5 in. 

 Uf oad ; petioles |-2 in. long. Flowers 1 to nearly 4 in. diam. Bracts 

 scale-like, linear, 1-3 lines long.— C. P landlord, Hook. f. Fl. Nigrit. 268. 



Upper Guinea. Quorra, " very common on a rocky soil," Barter ! T. Vogel ! Niger, 

 £ B*fael Near Niaral, in the Province of Cayor and N'Denout in N'Boro, Senegambia 



Nile Land. {Schweinf. and Asch. Enum.) 



2. C. niloticum, Oliv. Shoots at length glabrous. Leaves soon gla- 

 ous above, divided nearly to the base (three-fourths or more) into 3 or 5 



•near-oblong segments, the central lobe slightly narrowed to its base, or 

 obovate-oblong, obtuse or scarcely acute. Leaves, in the Kew specimen, l-l \ 

 •ii. long, 2-2i in. broad. Petioles about \ inch. Sepals nearly or quite 

 " aorous. Flowers and inflorescence as in C. tinctorium. 



Nile Land. Madi, Speke and Grant ! 



^ne plant referred to C. tinctorium by Drs. Schweinfurth and Ascherson may be the same. 



*• C. angolense, Welw. mss. A tree, attaining a height of 10-20 ft., 

 ■nft a trunk about 9 in. diam. at the base. Branches divaricate. Leaves rather 

 jwiaceous, deeply divided (three-fourths or more) into 5 lanceolate or oblong- 

 an ceolate, acuminate segments, serrulate above or nearly entire ; glabrous on 

 bot h surfaces or the nerves obsoletelv pubescent beneath ; the segments 

 usually slightly overlap each other at the base. Larger leaves 6-7 in. broad, 

 JM in. long, central lobe about lf-1* in - broad; petiole 2-4 in. long, 

 towers few together (about 3), 3-4 in. diam., deep yellow. Pedicels 

 P.'ioerulous, 1 i n . long. Sepals nearly or quite glabrous. Anthers dehis- 

 ?J by a single minute terminal slit. Ovary densely and softly villous. 



'^ ta bout 3 in. long and 2 in. diam., broadly ellipsoidal or obovoid, depressed 

 J.* 8 to P» separating when ripe into 4 thin, coriaceous, striate, puberulous 

 alVe s- Seeds reniform, black and shining, enveloped in a deciduous cotton. 

 L*f*y Guinea. Angola, distr. Golungo Alto. Frequent on dry, stony declivities 



\\\ ge and Cal >iilui>go ; flowering in February and March, Br. Welicitsch ! 

 ne Borotuto of the natives, who use the bark in fabricating a coarse cordage. Tins 

 differm 1 ^ C - losdy allied to °' Gillivrai < Benth -> g rowin g iu Queensland, Australia, 

 & in the villous ovary and some minor characters. 



2. BIXA, Linn. ; Benth. et Hook. f. Gen. PI. i. 125. 

 5 jWrs hermaphrodite. Sepals 5, much imbricated, deciduous. Petals 

 ton e ' imbricat e. Stamens indefinite, with short, oblong, somewhat tetra- 

 5 J 0l 's anthers, dehiscing by 2 pore-like, trausverse slits at the top (really 



