181 



Leaves dark green, g-labrous and sbining above, coriaceous. 

 Fruit sometimes 16 mm. (^ineh) 

 tbick; stamens usually 10; leaves 



and anthers large 6 C. succulenta. 



Fruit sometimes 12 mm. (J^ineb) 

 thick; stamens 15-20; leaves and 



anthers smgll 7 C. neo-fluvialis. 



Leaves gray-green, pubescent and 



didl above, subcoriaceous S C. Calpodendron. 



Loaves not impressed-veined; nutlets without pits. 



Calyx glandular margined, fruit more than S mm. 



(J^ inch) thick; leaves not trilobate IV. Rotundifolias 



9 C. chrysocarpa. 



Calyx lobes not glandular margined; fruit 4 8 mm. 



(y6-J^ inch thick) ; leaves often trilobate towards 



the apex V. Virides. 



Fruit bright red, glaucous, 

 4-6 mm. (Jg-Jlinoh) thick; 



leaves serrate 10 C. viridis. 



Fruit dull dark red, 6-8 mm. 

 (^4,-^i inch) thick; leaves 



coarsely serrate 11 C. nitida. 



II. Leaves broadest at the base. 



a. Leaves 1.5-6 cm. (J^-23^ inches) long and wide, mem- 

 branaceous; calyx lobes usually entire. 



Leaves yellow-green, often slightly pubescent; fruit soft 



at maturity VI. Tenuifoliae. 



Fruit ellipsoidal, ovoid or pyriform ... 12 C. macrosperma. 

 Fruit compressed, globose or subglobose. 13 C. basilica. 



Leaves blue-green, glabrous; fruit hard at maturity VII. Pruinosas. 



Leaves elliptic-ovate 14 C. Jesupi. 



Leaves usually cordate. 



Fruit conspicuously angled, strong- 

 ly pruinose 15 C. rugosa. 



Fruit without conspicuous angles, 



slightly pruinose 16 C. fllipes. 



Leaves usually cuneate. 



Leaves deltoid 17 C. Gattingeri. 



Leaves ovate 18 C. pruinosa. 



b. Leaves 3-10 cm. (1-4 inches) long and wide; calj^x lobes 



usually serrate VIIL Coccineas. 



Mature leaves usually glabrous above; young foliage 

 bronze-green; anthers pink. 



Corymbs and fruit glabrous 19 C. coccinioides. 



Corymbs and fruit pubescent or tomentose. 



20 C. coocinea. 

 Mature leaves tomentose above; young 

 foliage yellow-green; anthers yel- 

 low 21 C. mollis. 



B. Leaves conspicuously deltoid-cordate IX. Cordatae. 



22 C. Phffinopyrum. 



