380 ROSACEAE 



i. R. setigera Michx. N. Y. to N. Car. and Ky. to Fla., aslo in 

 Ark. and Kan. 



Rare and local as an escape from cultivation; not known as a wild 

 plant from the range. 



2. R. rubifolia R. Br. Ont. and N. Y. to Ga., Ala., Tex. and 



Wise. 



Known in our area only as a rare escape from cultivation. 



3. R. gallica L. Escaped from gardens: Mass. and N. Y. to 



Mo. and Ohio. Introduced from Europe. 



A rare escape from cultivation near the larger cities or about 

 abandoned cottages. 



4. R. rubiginosa L. Roadsides: N. S. to Ga., Miss, and Kan. 



Native of Europe. 



Common as an escape from cultivation in our area. 



5. R. micrantha J. E. Smith. Roadsides: Mass. and N. Y. to 



S. Car. and westward. Native of Europe. 

 Very rare as an occasional escape from gardens. 



6. R. canina L. Roadsides: Mass. and D. C. to Tenn. Native 



of Europe. 



Rare as an occasional escape from gardens naturalized in valley 

 of the upper Delaware River. 



7. R. palustris Marsh (R. Carolina of Am. Auth.). Swamps 



and low places: N. S. to Minn., Miss, and Fla. 



Common throughout the range except in the pine-barrens, there 

 wanting. 

 Hybridizes with Rosa Carolina and Rosa virginiana. 



8. R. gemella Willd. Mass. to southern N. Y. 



Known definitely only from the bay side of Staten Island, N. Y. 



9. R. virginiana Mill. (R. hicida Ait.). Newf. to Ont., Va. and 



W. Va., Ark. and Mo. 



Common throughout the range, except in the pine-barrens, there 

 only sparingly introduced; more common northward than elsewhere. 

 Hybridizes with R. palustris, Carolina and Lyoni. 

 10. R. nitida Willd. Low grounds: Conn, and Mass. to Newf. 



Known, in our area, only from Thompson, Stafford and Plain- 

 field, Conn. 



