SYNGENESIA FKUSTRANEA. 



Helianthus. 



In woods nnd dry swamps : Canada to Carolina. U • 

 Aug. — Oct. V. V. Resembles H. decapetalus. About 

 three feet hig'i. 

 6. H. glaberrimus ; caule panicnlato, ramis summitate 

 paucifloris, foliis subsessilibus longissime-lanceolatis 

 triplinervibns integerrimis, inferioribus serratis, caly- 

 cinis squamis ovatis acutis, exterioribus linearibus di- 

 va icatis. 

 Ill the western parts of Georgia. Lyon. 2/ . Aug. — 

 Oct. V. V. From four to -^even feet high ; stem dark 

 purple and very smooth ; flowers midule size. 



** FoUis superiorilus alternis. 



J. H. foliis alternis lanreolatis serratis scabris obsolete tri- 

 plinervihus utriiique attenuatis subsessilibus basi cilia- 

 tis, calycinis sqaamis lanceolatis ciliatis. fVilld. sp. 

 pi.?,, p. 2242. 



In dry swamp-; and on mountain meadows : Canada to 

 Carolina. 2/. Aug —Oct, v. v. A tall, rough- 

 looking plant ; hor^.es are fond of its young shoots. 

 Stems rough and green. 

 8. H. foliis alternis ovato-lanceolatis serratis scabris tripli- 

 nervibus, apice attenuatis petiolatis, petiolis ciliatis, 

 calycinis squamis lanceolatis ciliatis, IViild. sp. pi. 3. 

 p. 2243. 



Icon. Jacc/. horl. vind. t. \Go. 



In copses and mountain meadows : Pensylvania to Caro- 

 lina, ll . July — Sept. V. V. Resembles the pre- 

 ceding : stems smooth and purple ; the chaflf of the 

 receptacle is green in this species, but black in the pre- 

 ceding. 

 Q. H. foliis ovatis acuminatis serratis triplinervibua subtus 

 scabris, calycini« squamis lineari-lanceolatis basi cili- 

 atis. Willd. sp. pi. 3. p. 2242. 



Icon. Bocc. sic. t. '!"] .f. 4, 



In Canada and New England. IX . Aug.— Oct. v. v. 



10, H. caule debili prostrato, foliis lanceolatis acuminatis 



scabris serratis triplinervibus, superioribus integerrimis, 

 calycinis squamis lanceolitis ciliatis. — IFUld. sp. pi. 3. 

 p. 2242. 

 In North America. IVilldenow. 1/ . -f- • 



11. H. foliis ovatis acuminatis remote serratis triplinervibus 



scabris, calycinis squamis lanceolatis subaequalibus 



^7' 



long'ifolius. 



gigunleus. 



altissimus. 



prostratui. 



decapetalus. 



