SALICACEAE 265 



8. S. cordata Muhl. (S. acutidens Rydb.). In wet soil: N. B. to 



Brit. Col., south to Va., Mo., Col. and Cal. Hybridizes 

 with 6\ sericea and other species. 



Throughout the range in some of its forms, except the pine- 

 barrens and east and south of them. 



9. S. pedicellaris Pursh {S. myrtilloides of Am. Authors; not of 



L.). In bogs: N. B. and Que. to B. C, south to N. J. and 



Iowa. Also in northern Europe. 



Conn: Except for a single station at New Haven, known only from 



Litchfield Co. 

 N. Y. Near Pine Plains, Dutchess Co. Perhaps in the Cat skills. 

 N. J. Morris and Sussex counties. 



Tertiary, 0: Cretaceous, 0: Older Formations, not very common. 

 Not south of the moraine. 138-170 days. Sea level-1,240 ft. 



10. S. interior Rowlee (S. longifolia Muhl. S. fluviatilis Sargent, 

 not of Nutt.). Wet sandy soil: Quebec to Athabasca, south 

 to Va., Ky., Neb. and Tex. 

 Conn. The valley of the Connecticut River, from Hartford 



southward. Not common. 

 N. Y. The valley of the Hudson in Dutchess Co. 

 N. J. In the valley of the Delaware from Sussex to Gloucester 



counties, decreasing southward. 

 Pa. Monroe and Northampton counties. More common on sandy 



banks along riversides than elsewhere. 



U.S. petiolaris J. G. Smith. In swamps: N. B. to N. W. Terr., 

 south to Tenn. and Wise. 

 Conn. Known only from near Middletown. 

 N. Y. Dutchess and Orange counties, in the valley of the Hudson 



increasing southward. 

 N. J. Warren, Morris, Hudson, Camden, and Gloucester counties. 



Not common. 

 Pa. Bucks, Delaware and Chester counties. 



A rather rare species whose distribution needs additional study. 



12. S. discolor Muhl. (S. eriocephala Michx. 5. prinoides Pursh). 



In swamps or on moist hillsides: N. S. to Man., Del. and Mo. 

 Common throughout the range in some of its forms, except the 

 pine-barrens, and east and south of them. 



13. S. squamata Rydb. Conn, to N. J. 



Conn. Known only from near Middletown. 



