36 NEW YORK STATE MUSEUM 



Stamens 10 or less 



Anthers rose color, purple or pink 

 Leaves glabrous 

 Fruit short-oblong 

 Leaves slightly lobetl ; fruit cherry-red, pruinose, 1-1.2 cm in 



diameter 10 C. pulchra 



Leaves deeply lobed ; fruit crimson, not pruinose, 1.5-1.7 cm in 



diameter n C. radiata 



Fruit obovate 12 C . a r i d u 1 a 



Leaves villose above while young 

 Fruit obovate 

 Flowers not more than 1.6 cm in diameter, in very compact 4-6- 

 fiowered corymbs; stamens usually 5; anthers dark rose 



color 13 C. congestiflora 



Fruit subglobose 15 C . m a i n e a n a 



Flowers at least 2cm in diameter, in broad loose corymbs ; 



stamens 10; anthers pink 14 C. plana 



Fruit subglobose 15 ^ C. m a i n e a n a 



Leaves scabrate above while young 

 Leaves thick 

 Leaves blue-green 



Stamens 10; fruit short-oblong to obovate.. 16 C. placiva 



Stamens 5; fruit obovate 17 C. tortuosa 



Leaves yellow-green 18 C . x a n t h o p h y 1 1 a 



Leaves thin 

 Leaves blue-green 



Flowers in 2-8-flowcred compact corymbs ; fruit subglobose, 



pruinose 19 C. implicata 



Flowers in wide lax many-flowered corymbs ; fruit oblong- 



obovate, not pruinose 20 C. p r o m i s s a 



Leaves yellow-green 



Leaves scabrate at maturity 

 Flowers not more than i.S cm in diameter; calyx-lobes 



glabrous ; fruit short-oblong, on drooping pedicels 



21 C. strigosa 



Flowers at least 2 cm in diameter; calyx-lobes villose on the 



inner surface; fruit obovate, on erect pedicels 



22 C. barryana 



Leaves glabrous at maturity 

 Anthers dark rose color; calyx-lobes short and broad; fruit 



on long drooping pedicels 23 C . f o 1 i a t a 



Anthers pale pink; calyx-lobes long and slender; fruit on 



shorter pedicels 24 C . c r u d a 



Anthers yellow; flowers on villose pedicels, in compact 5-7-fliowered 



corymbs; styles hirsute to the middle; young leaves scabrate 



25 C . i n u s i t u 1 a 



