^7\ 



longifolius. 



SYNGENESIA FRUSTRANEA. HelianthuS. 



In woods and dry swamps: Canada to Carolina. U- 

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

 three feet high. 



0". H. glaberrimus ; caule paniculato, ramis summitate 

 paucifloris, foliis subsessiiibus longissime-lanceolatis 

 triplinervibus inttgenimis, inferioribus serraus, caly- 

 cinis squamis ovatis acoiis, exierioribus linearibus di- 

 varicatis. 

 In the western pans of Georgia. Lyon. y. ,' Aug. — 

 Oct. V. V. From four to .seven feet high ; stem dark 

 purple and very smooth ; flowers middle size. 



** Foliis superiorilus allemis. 



7. H. foliis alternis lanceolatis serratis scabris obsolete tri- giganleus, 



plinervibus utrinque attenuatis sub-essi!ibus basi cilia- 

 tis, calycinis squamis lanceolalis ciliatis. (Villd. sp. 

 pl.3.p.2142. 

 In dry swamps and on mountain meadows : Canada to 

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

 looking plant ; horses 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. IViUd. sp. pi. 3. 

 p. 2243. 



Icon. Jacc/. horl. vind. t. 160. 



In copses and mountain meadows : Pensylvania to Caro- 

 lina. 1/. July — Sept. V. V. Resembles the pre- 

 ceding ; stems smooth and purple ; the chaff of the 

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

 ceding. 



9. H. foliis ovatis acuminatis serratis triplinervibus subtus 



scabris, calycinis squamis lineari-lanceolatis basi cili- 

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



Icon. Bocc. sic t. 2'] .f. 4. 



In Canada and New England. 1[ . Aug. — Oct, v. v. 



10. H. caule debili prostrato, foliis lanceolatis acuminatis prostratut. 



scabris serratis triplinervibus, superioribus integerrimis, 

 calycinis squamis lanceolatis ciliatis. — IVilld. sp. pi. 3. 

 p. 2242. 

 In North America. JVilldenoiv. 1/. -f, 



11. H. foliis ovatis acuminatis remote serratis triplinervibus decapetalus, 



scabris,- calycinis squamis lanceolatis subsequaljbus 



altissimus. 



strumosus. 



