332 COMPOSITAE 



2. Helianthua annuus L. Common Sunflower.. (Man. p. 991 ; I. 

 F.y. S900.) Ou prairies and in waste places, Minn, to the N. W. Terr., 

 Mo. and Tex. Escaped in the east. — Pennsylvania : Northampton ; 

 Allbgheny. 



3. Helianthus petiolaris Nutt. Prairie Sunflower. (Man. p. 

 992 ; I. F. /. 3goi.) On dry prairies, Minn, and the N. W. Terr, and 

 Ore., south to Mo. and Ariz, and sparingly eastward. — Pennsylvania: 

 Erie, Presque Isle ; Northampton, Bethlehem. 



4. Helianthus microoephalus T. & G. Small Wood Sunflower. 

 (Man. p. 993; I. 'P. f. 3go6.) In moist woods and along streams, Pa. 

 to Ga., west to Ohio, Mo. and La. — Pennsylvania : GREENE ; FayeTTE ; 

 Allegheny ; Armstrong. 



S. Helianthus giganteus L. Tall Sunflower. (Man. p. 993; I. 

 F.y". S907-) In swamps and wet meadows. Me. and Ont. to the N. W. 

 Terr., south to Fla., Neb. and La. — Pennsylvania. Northampton; 

 Bucks ; Delaware ; Chester ; Lancaster ; Lebanon ; Perry ; Fay- 

 ette ; Armstrong. 



6. Helianthus Maximilianii Schrad. Maximilian's Sunflower. 

 (Man. p. 993 ; I. F. f. 3908.) On dry prairies, Minn, and Man. to the 

 N. W. Terr., Neb. and Tex. — Pennsylvania : Allegheny. 



7. Helianthus groBse-serratus Martens. Saw- tooth Sunflower. 

 (Man. p. 994; I. v. f. sgog.) In open places, eastern L. I. to Pa., S. 

 Dak., Mo. and Tex. — Pennsylvania : ERIE, Union City; ALLEGHENY. 



8. Helianthus divaricatus L. Rough or Woodland Sunflower. 

 (Man. p. 994 ; I. F./. 3910.) In dry woodlands, Me. to the N. W. Terr., 

 south to Fla., Neb. and La. — Pennsylvania: Northampton; Bucks; 

 Delaware ; Chester ; Lancaster ; Franklin ; Huntingdon ; Alle- 

 gheny. 



9. Helianthus mollis Lam. Hairy Sunflower. (Man. p. 994; I. 

 F. f. 3911.) In dry soil, Ohio to Ga., Iowa, Kans. and Tex., and nat- 

 uralized eastward. — Pennsylvania : Delaware, Tinicum ; Allegheny. 



10. Helianthus decapetalus L. Thin-lEaved Sunflower. ( Man. 

 p. 994; I. 'P- /■ 39!3-) In moist woods and along streams, Quebec to 

 Mich., Ga. and 'K.y.— Pennsylvania : Northampton; Bucks; Dela- 

 ware ; Chester ; Lancaster ; Franklin ; Columbia ; Allegheny ; 

 Washington. 



11. Helianthus tracheliifolius Mill. ThroatworT Sunflower. 

 (Man. p. 995 ; I. F. /. 3914. ) In dry soil. Pa. to Ohio to Wis. — Pennsyl- 

 vania : Northampton ; Bucks ; Westmoreland ; Delaware. 



12. Helianthus strumosus L. Pale-LEaved Wood Sunflower. 

 (Man. p. 995; I. F. /. J9/5. ) In dry woods and on banks. Me. and 

 Ont. to Minn., Ga. and Ark. — Pennsylvania : Northampton; Bucks ; 

 Chester ; Lancaster ; York ; Erie ; Allegheny. 



12a. H. strumosus macrophyllua (Willd.) Britton. (Man. p. 995.) 

 Mass. to Pa., Iowa and Miss. — Northampton ; Lancaster. 



