366 ROSACEAE 



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



common in the Catskills; unknown elsewhere. 

 N. J. Sussex and Morris counties. 

 Pa. Pike, Luzerne, Monroe, Northampton and Bucks counties. 



Tertiary, o: Cretaceous, o: Older Formations, increasing north- 

 ward. Predominating north of the moraine. 1 17-176 days. Sea 

 level-3,365 ft. 



3. F. virginiana Duchesne. In fields: P. E. I. to Minn, and 



Ind. Terr., south to Ga. 



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

 rare and probably introduced. 



4. F. canadensis Michx. In woods: Newf. to Hudson Bay, 



N. Y. and Mich. 



Known definitely in our area only from the mountain tops in 

 Greene Co., N. Y. 



5. F. terrae-novae Rydb. In woods and fields: Labrador and 



Newf. to Ont. and New York. 



N. Y. The tops of the Catskills in Greene, Ulster and Delaware 



counties. 



Tertiary, o: Cretaceous, o: Older Formations, exclusively north 

 of the moraine. 117-138 days. 1,000-4,020 ft. 



F. Grayana Vilm. (F. virginiana illinoensis (Prince) Gray) has been collected as a 

 waif in Conn. 



12. Sibbaldiopsis Rydb. 

 1. S. tridentata (Soland.) Rydb. Bare exposed places: Green- 

 land to N. J., Ga., Minn., Man.; also in Great Britain. 

 Conn. The northwestern part of Litchfield Co. 

 N. Y. Dutchess Co., increasing northward. 

 N. J. The summit of High Point, Sussex Co. 

 Pa. The summits of the mountains in Luzerne and Lackawanna 



counties. 



Tertiary, o: Cretaceous, o: Older Formations, exclusively north 

 of the moraine. 117-138 days. 1,000-4,020 ft. 



13. Dasiphora Raf. 

 1. D. fruticosa (L.) Rydb. In woods or pastures: Lab. to Alask., 

 Cal., N. Mex. and N. J.; also in Siberia and Western Europe. 

 Conn. Rare near the coast, increasing northwestward. 

 N. Y. Pine Plains, Dutchess Co., and Copake Falls, Columbia 

 Co. 



