1905.] NATURAL SCIENCES OF PHILADELPHIA. 607 



IV.— TENUIFOLI.^. 



1. — Fruit longer than wide. 



Fruit oblong; anthers dark pink or purple. 

 Petioles 1.5-2 cm. long. 



Leaf -lobes short, mostly pointing forward, 1. C. tenella. 

 Leaf-lobes long, spreading, often recurved, 2. C. rufipes. 

 Petioles 2-3 cm. long. 



Pedicels elongated, slender; corymbs broad and open; leaves 

 broad-ovate to nearly orbicular, yellow-green, 



3. C. lata. 

 Pedicels short; corymbs compact; leaves ovate to ovate- 

 oblong, blue-green. 

 Corymbs 4-6-flowered ; mature leaves scabrate, 



4. C. collinsiana. 

 Corymbs 8-12-flowered ; mature leaves smooth, 



5. C. pumila. 

 Fruit obovate, ovate-oblong to subglobose. 

 Leaves 5-9-lobed. 



Petioles slender, 2.5-3 cm. long; pedicels slender, elongated. 

 Corymbs open, 7-12-flowered. 



Stamens 10; anthers rose color; mature leaves scabrate, 



6. C. firma. 



Stamens 5-8; anthers rose-pink; fruit glaucous; 



mature leaves glabrous, .... 7. C. gruberi. 



Corymbs compact, 5-12-flowered ; stamens 5-10; fruit 



scarlet. 



Anthers dark rose color or purple; pedicels elongated; 



leaves yellow-green, 8. C. ampla. 



Anthers light purple; pedicels short; leaves blue- 

 green, 9. C. populnea. 



Petioles stout, 2-3 cm. long; pedicels stout; corymbs com- 

 pact, 8-12-flowered. 

 Stamens 6-8; anthers purple; fruit yellowish-red; leaves 



thin, 10. C condensa. 



Stamens 10; anthers rose color; fruit cherry-red; leaves 



I thick, 11. C. moyeriana. 



Leaves 9-11-lobed. 



Petioles 2-3 cm. long; anthers light pink or rose color; ripe 

 fruit wdth a glaucous bloom. 

 Stamens 5-7; fruit dark red, .... 12. C. saturata. 

 Stamens 8-10; fruit scarlet, .... 13. C.miniata. 

 Petioles 3-4 cm. long; anthers dark pink. 



Corymbs narrow, compact; fruit 9-12 mm. long; 



petioles very slender, ... 14. C . longipetiolata . 



Corymbs broad; fruit bright cherry-red, 1.3-1.5 cm. 



long ; petioles stout, 15. C.insolita. 



2. — Fruit globose to depressed-globose; anthers dark pink or purple. 

 Fruit scarlet or bright crimson; leaves 9-11-lobed; cor3^mbs 

 5-10-flowered, compact. 



