626 COMPOSITAE 



io. H. strumosus L. In dry woods and on banks: Me. and Ont. 

 to Minn., Ga. and Ark. 



Throughout the range, except in and south and east of the pine 

 barrens, there wanting. 



ii. H. hirsutus Raf. In dry soil: Pa. and Ohio to Wise, south to 

 W. Va., Ga., Kan. and Tex. 



Known in our area only from Northampton and Monroe counties 

 in Pa. 



12. H. tuberosus L. In moist soil; U. S. and Ont. to Man., Ga. 

 and Ark. 



Occasional as a relic of cultivation; perhaps native in the valley 

 of the Delaware. 



The common sunflower Helianthus annuus L. is somewhat common as an estab- 

 lished escape from gardens. H. scaberrimus Ell. and H. subrhomboideus Rydb. are 

 both reported as becoming established. H. tracheliifolius Mill., H. debilis Nutt. and 

 H. laetifloms Pers. have all been collected from our area as waifs. 



34. Ridan Adans. {Actinomeris Nutt.) 

 1 R. alternifolius (L.) Britton {Verbesina alternifolia (L.) Britton). 

 In rich soil: N. J. to western N. Y., Iowa, Fla., Kan. and La. 

 N. J. Rare in Essex, Passaic, Hunterdon, Camden, and Burling- 

 ton counties, unknown elsewhere. 

 Pa. Northampton, Delaware and Chester counties. 

 Rare and apparently always adventive with us. 



35. Coreopsis L. 



Rays pink or sometimes white; leaves linear, entire. I. C. rosea. 



Rays yellow, with a brown base; lower leaves pinnately divided. 2. C. tinctoria. 

 Rays yellow throughout. 



Leaves narrow, linear, appearing verticillate. 3. C. verticillata. 



Leaves lanceolate, not apparently verticillate. 4. C. lanceolata. 



i. C. rosea Nutt. In open swamps: eastern Mass. to Ga., near 

 the coast. 

 N. Y. Not uncommon on eastern L. I., apparently wanting 



elsewhere. 

 N. J. Local on the coastal plain, especially in the pine-barrens, 



unknown elsewhere. 

 Pa. Known only from near Bristol, Bucks Co. 



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

 scattered and very local in Pa., only on Trenton gravels. 168-210 

 days. About sea level. 



