ROSACEAE 375 



5. R. occidentalis L. N. B. and Que. to Ga., Col. and Minn. 



Throughout the range, except in the pine-barrens. 

 This species is supposed to hybridize with R. strigosus, and the 

 hybrid (sometimes called R. neglectus Peck) is to be looked for 

 wherever both the supposed parents occur together. 



6. R. Idaeus L. Escaped from gardens: E. N. S. Native of 



Europe and Asia. 

 A very rare garden escape in our area, hardly persisting. 



7. R. strigosus Michx. In thickets: Newf. to Va., Neb. and 



N. Dak. 



Conn. Rare along the coast, increasing northward. 

 N. Y. From the Highlands of the Hudson, northward. 

 N. J. From Hunterdon and Essex counties northward. 

 Pa. Pike, Lackawanna, Monroe, Northampton and Schuylkill 

 counties. 



Hybridizes with R. occidentalis. 



8. R. laciniatus Willd. Escaped from cultivation: E. U. S. and 



in Canada. 



A rare, hardly persisting escape, in our range. 



9. R. cuneifolius Pursh. Dry fields: Conn, and N. J. to Fla. and 



La. 



Conn. Not uncommon along the coast, decreasing and perhaps 

 wanting northward. 



N. Y. Rare on L. I. and S. I., apparently unknown elsewhere. 



N. J. Rare in Hunterdon and Sussex counties, unknown between 

 this and the pine-barrens, there common, and in the region sur- 

 rounding the barrens. 



Pa. Bucks, Delaware and Chester counties. 



Hybridizes with R. argntiis. 



10. R. sativus (Bailey) Brainerd. Open fields: Que. and Ont. 



to Conn, and Pa. 



Known, in our area, only from Morris Co. and Forked River, 

 N. J., from Meriden and Southington, Conn., and from Easton, Pa. 

 Hybridizes with R. nigricans. 



11. R. nigrobaccus Bailey. Open woods: N. S. to N. Car., Ark. 



and 111. 

 Common everywhere, except the coastal plain of N. J. 



