RANUNCULACEAE 329 



17. R. parviflorus L. In waste places: about eastern seaports. 



Mass. to Va. Naturalized from Europe. 



A rare and local adventive near the larger cities, frequently 

 wanting. 



18. R. arvensis L. In waste ground: Tom's River and Passaic, 



N. J., and in ballast near the northern seaports. 



Rare at the New Jersey stations and near the outskirts of the 

 City. Otherwise unknown. 



Ranunculus parvulus L., R. graecus Griseb., R. lanuginosus L., and R. villosus 

 DC. have all been reported on ballast near New York. 



19. Batrachium S. F. Gray* 



Segments of the leaves 10-15 mm. long, rather rigid, scarcely col- 

 lapsing when withdrawn from the water. 1. B. circinatum. 



Segments of the leaves 15-30 mm. long, flaccid, collapsing when 



withdrawn from the water. 2. B. Iricopkyllum. 



1. B. circinatum (Sibth.) Rchb. In ponds and streams: N. S. to 



B. Col., south to Tenn. and Cal. Also in Europe and Asia. 

 Conn. Lakeville and Salisbury. 



N. Y. Hyde Park, Dutchess Co. and Bedford, Westchester Co. 

 N. J. Bergen, Morris, Passaic and Sussex Cos. Recorded from 

 Monmouth Co. 



2. B. tricophyllum (Chaix.) F. Schulz. In streams: Mass. to 



Wash., south to N. Car. and Lower Cal. Also in Europe, 

 Asia and S. Africa. 



Throughout the range, except in the pine-barrens and south of 

 them in N. J. 

 B. longirostres (Godr.) F. Schultz has been reported from Litchfield Co., Conn. 



20. Ficaria Hucls. 

 1. F. Ficaria (L.) Karst. Known in our range only from Flushing 

 and College Point, L. I., S. I., and Delaware and Philadelphia 

 counties, Pa. Fugitive from Europe. 



21. Halerpestes Greene. 

 1. H. Cymbalaria (Pursh) Greene (Oxygraphis Cymbalaria 

 (Pursh) Prantl.). On sandy shores and on salt meadows: 

 Lab. to N. J., west to Alask., Cal., Mex. and Kan. Also 

 in Asia and S. Am. 



* See footnote, page 76. 



