60 NEW YORK STATE MUSEUM 



\ X Leaves blue-green 



Leaves ovate to deltoid ; fruit globose, dark scarlet, 



lustrous C. maineana 



Leaves oblong-ovate to oval ; fruit rather broader 

 than high to short-obovoid, obscurely angled, 



crimson, lustrous C. opulens 



Leaves ovate-acuminate; fruit subglobose to short- 

 oblong, truncate at the apex, rounded at the base, 



maroon, lustrous C. perspicabilis 



ft Mature leaves scabrate on the upper surface 



Leaves yellow-green, ovate ; fruit subglobose to short- 

 oblong, scarlet, lustrous C. macera 



Leaves blue-green, ovate-acuminate; fruit subglobose to 

 short-oblong, flattened at the ends, scarlet, lustrous, 



slightly pruinose C. diffusa 



** Fruit short-oblong 



f Mature leaves smooth on the upper surface 



Leaves broadly ovate ; calyx-lobes short and broad ; 

 anthers red; fruit orange-red, slightly pruinose.... 



C. xanthophylla 

 Leaves ovate ; calyx-lobes long and slender ; anthers 



bright rose color ; fruit red and lustrous 



C. livingstoniana 

 ff Mature leaves scabrate on the upper surface, ovate, long- 

 pointed ; fruit scarlet, lustrous C. strigosa 



*** Fruit obovoid 



\ Mature leaves glabrous on the upper surface 

 X Leaves blue-green above 



Leaves subcoriaceous, oblong-ovate 



Fruit oblong-obovoid or rarely short-oblong, light cherry 



red, pruinose C. compta 



Fruit full and rounded at the apex, abruptly narrowed 



at the base, bright orange-red, pruinose 



C. tortuosa 

 Leaves thin 



Leaves oblong-ovate, acuminate ; flowers in broad lax 

 many-flowered corymbs ; fruit oblong-obovoid, grad- 

 ually tapering to the long base, crimson, lustrous. . . . 



C. promissa 



Leaves ovate ; flowers in compact 4-6-flowered corymbs ; 



fruit only slightly narrowed at the base and sometimes 



decurrent on the pedicel C. congestiflora 



