604 COMPOSITAE 



Involucre less than 4 mm. high, its bracts with appresscd green 



tips. 2. E, floribunda. 



Leaves i-nerved or with a pair of indistinct lateral nerves; ray- 

 flowers 5-12. 



Involucre campanulate. 3. E. tenaifolia. 



Involucre subcylindric. 4. E. minor. 



1. E. graminifolia (L.) Nutt. In moist soil, fields and roadsides: 



N. B. to the N.W. Terr., Fla., Neb. and Kan. 

 Throughout the range; rare in the pine-barrens. 



2. E. floribunda Greene. Fields and marshes, N. Y. to E. Penn. 



N. Y. Hewlett, L. I. 



N. J. Port Norris and New Egypt. 



Pa. Reported from the southeastern part of the state. 



3. E. tenuifolia (Pursh) Greene (E. caroliniana (L.) Greene?). 



In dry sandy soil: eastern Mass. to 111., Fla. and La. 



Conn. Common along the coast, decreasing inland. 



N. Y. Common on L. I.; S. I.; decreasing up the Hudson 



Valley to the southern end of the Highlands, unknown northward. 

 N. J. Common on the coastal plain, decreasing in Hudson and 



Bergen counties, unknown northward. 

 Pa. Bucks, Montgomery, Delaware and Chester counties. 



Tertiary, common: Cretaceous, less common: Older Formations, 

 decreasing and rare northward. 159-220 days. About sea level. 



4. E. minor (Michx.) Greene. Sandy soil: L. I. to Fla. and Miss. 



Known only from Long Beach, L. I., in our area. 



12. Bellis [Tourn.] L. 

 1. B. perennis L. In waste places or occasionally spontaneous 

 in lawns: Conn, and N. Y. to Pa., Ont., Cal. and B. Col. 

 Native of Europe. 

 Somewhat common as a weed of lawns and cultivated ground. 



13 Boltonia L'Her. 

 1. B. asteroides (L.) L'Her. In moist soil: Conn, and N. J to 

 Fla., west to Minn., Neb. and La. 

 N. J. Bog, Cape May Co.; and in Sussex Co. 



Known also in our area as a weed of cultivation in Conn. 



14. Sericocarpus Nees 



Leaves entire, linear or linear-spatulate. 1. 5. linifolius. 



Leaves dentate, oblong or obovate. 2. 5. asteroides. 



