BERBERIDACEAE 33I 



BERBERIDACEAE 



Shrubs; fruit baccate. 1. Berberis. 



Herbs. 



Anthers opening by valves. 



Pericarp early bursting, leaving 2 large, naked, stalked 



seeds, resembling berries. 2. Caulophyllum. 



Fruit capsular, half circumscissile. 3. Jeffersonia. 



Anthers longitudinally dehiscent; fruit baccate, stamens 6-18. 4. Podophyllum. 



i. Berberis [Tourn] L. 

 1. B. vulgaris L. In thickets: naturalized from Eu. in the 

 Eastern and Middle States, adventive in Canada and the 

 West. 



A rare escape in our area, commonly cultivated. The reported 

 occurrence of B. canadensis in Conn, was based on a specimen of 

 B. vulgaris. 



2. Caulophyllum Michx. 



1. C. thalictroides (L.) Michx. In woods: N. B. to S. Car., 



Minn., Neb. and Mo. 



Conn. Rare near the coast; increasing northwestward. 



N. Y. Unknown on L. I.; rare and local on S. I. and in Bronx 

 and Westchester counties, thence increasing and common north- 

 ward. 



N. J. Essex, Bergen and Union counties, increasing northward. 



Pa. Pike, Monroe, Northampton, Lehigh, Bucks, Berks, Phila- 

 delphia, Delaware and Chester counties, increasing northward. 

 Tertiary, o: Cretaceous, o: Older Formations, increasing and 



usually common northward. 1 17-2 10 days. Sea level-3,365 ft. 



3. Jeffersonia Bart. 



1. J. diphylla (L.) Pers. In woods: Ont. to Wise, Va. and 

 Tenn. A rare species. 



Known definitely in our area only from Bucks Co., Pa. 



4. Podophyllum L. 



1. P. peltatum L. In low woods: Que. and Ont. to Minn., Fla., 

 La. and Tex. 



Conn. Throughout the state, nowhere common. 

 N. Y. Unknown on L. I., rare and local on S. I., and in the 



Bronx, increasing and common northward. 

 N. J. Rare at Cape May and the area to the north and west of 



the pine-barrens, thence increasing northward. 



