582 DIPSACEAE 



i. V. uliginosa (T. & G.) Rydb. In wet soil: Me. to N. Y. and 

 Ont., west to Mich. 



Known in our area only from Pine Plains, Dutchess Co., a region 

 with limestone predominating, an elevation of about 1,000 ft. and 

 with a growing season of about 142 days. 



2. V. officinalis L. Escaped from gardens to roadsides: Conn., 

 N. Y. and N. J. Native of Europe and Asia. 



Not uncommon as an escape in parts of our range. Not re- 

 ported from Pa. or the pine-barrens of N. J. and L. I. 



2. Valerianella [Tourn.j Mill. 



Corolla blue or purplish; fruit about twice as broad as thick; intro- 

 duced species. 1. V. Locusta. 

 Corolla white; fruit about as broad as thick; native species. 



Fruit with the fertile portion fully as wide as the sterile. 2. V. radiata. 



Fruit with the fertile portion much smaller and narrower than 



the sterile. 3. V. Woodsiana. 



i. V. Locusta (L.) Bettke. In waste places: Conn., N. Y., N. J. 

 and Pa. to Va. and La. Native of Europe. 

 Not very common as a weed, frequently wanting. 



2. V. radiata (L.) Dupr. In moist soil: Mass. and N. Y. to Fla., 



Mich., Mo. and Tex. Very rare. 



Conn. Known only from near Waterford. 



N. Y. Near New Baltimore, Greene Co. 



N. J. Mercer, Camden, and Cape May counties. 



Pa. Northampton, Bucks and Delaware counties. 



A rare and localized plant whose distribution is little understocd. 



3. V. Woodsiana (T. & G.) Walp. In moist soil: N. Y. and Pa. 



to Ohio, Tenn. and Tex. 



Known in our range only from Bucks and Philadelphia counties 

 in Pennsylvania. The variety patellaria (Sulliv.) A. Gray has been 

 reported from Bucks Co., Pa. 



DIPSACEAE 



Scales of the elongated receptacle prickly pointed. 1. Dipsacus. 



Scales of the receptacle not prickly, herbaceous, capillary, or none. 2. Scabiosa. 



I. Dipsacus [Tourn.] L. 

 1. D. sylvestris Huds. In waste places: Me. and Ont. to Va., 

 west to Mich. Naturalized from Europe. 



