3^4 RANUNCULACEAE 



1. H. Hepatica (L.) Karst. In woods: N. S. to northern Fla., 



west to Manitoba, Iowa, and Mo. Also in Eu. and Asia. 



Common throughout the range except in the pine-barrens and 

 south of the moraine on L. I., there rare or wanting. 



2. H. acutiloba DC. In woods: Quebec and throughout Ont., 



south to Ga., west to Iowa and Minn. 

 Conn. Litchfield Co. 

 N. Y. The Catskills. 



14. Syndesmon Hoffmg. 

 1. S. thalictroides (L.) Hoffmg. In woods: throughout E. N. 

 Am. 



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

 wanting; rare south of the moraine on L. I. 



15.- Clematis L. 



1. C. virginiana L. In low woodlands and along fences and 



water courses: N. S. to Manitoba, south to Ga. and Kan. 



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

 wanting. 



16. Viorna Reichb. 



Climbing vines; leaves pinnate or 3-foliolate. 1. V. Viorna. 



Erect or ascending herb; leaves entire. 2. V. ochroleuca. 



i. V. Viorna (L.) Small {Clematis Viorna L.). In rich soil: S. 

 Penn. to Ind., Mo., Ga. and Tenn. 



Known in our area only from Chester Co., Pa. 



2. V. ochroleuca (Ait.) Small. In woods: S. N. Y. and Pa. to Ga. 



Known in our area only from the glaciated portion of S. I. and 

 near London Grove, Chester Co., Pa. The stations on S. I. are 

 many of them on serpentine hills, but the Chester Co. station is 

 on (?) Potsdam Quartzite. Formerly found near Brooklyn, L. I. 

 but the region in which the plant grew is wholly built over. 



17. Atragene L. 

 1. A. americana Sims. In woods and thickets: Hudson Bay to 

 Manitoba, Conn., Va. and Minn. 



Conn. Not common, but found in most parts of the state. 

 N. Y. Not reported from L. I. nor S. I., rare and local in West- 

 chester Co., thence increasing but not common northward. 



