400 FABACEAE 



Pa. Pike, Northampton, Bucks, Delaware and Chester counties. 

 Tertiary, common; Cretaceous, less common; Older Formations, 

 scattered in edaphically favorable places*. 138-224 days. Sea 

 level- 1 ,080 ft. 



10. Astragalus [Tourn.] L. 



1. A. carolinianus L. Along streams; Que. to Man., N. J., B. C, 



Kan., Colo, and Nev. 



N. J. Near Andover, Sussex Co. 



Reported, but not definitely known from Westchester Co., N. Y. 



11. Robinia L. 



Twigs, petioles and pods glabrous; flowers white. 1. R. Pseudacacia. 



Twigsand petioles glandular; podshispid, flowers pink. 2. R. viscosa. 

 Twigs and petioles bristly; pods hispid; flowers pink or purple; a 



shrub. 3. R. hispida. 



i. R. Pseudacacia L. In woods: Pa. to Ga. and Iowa. Exten- 

 sively naturalized in Eastern N. Am. 



Doubtfully indigenous in any part of our area, common as an 

 escape from cultivation. 



2. R. viscosa Vent. In woods: Va. to Ga., sometimes escaping 



in Eastern N. Am. 



Not uncommon as an escape in most parts of our range. 



3. R. hispida L. Often cultivated, and sometimes escaping. 



Native from Va. to Ga. and Tenn. 

 Locally common as an escape. 



12. Amorpha L. 



1. A. fruticosa L. Along streams: Ohio to Minn., also escaped 

 from cultivation in eastern U. S. 



Not very common as an established escape. 



13. Coronilla [Tourn.] L. 

 1. C. varia L. Roadsides and waste places: Mass. to N. Y. and 

 N. J. Adventive from Europe. 



Uncommon as a roadside weed throughout the area except in Pa., 

 there only reported from Chester Co. 



C. Emerus L. has been found as a waif near N. Y. 

 * See Introduction paragraph 50. 



