SYNGENESIA FRUSTRANEA. Helianthus. 
In woods and dry swamps : Canada to Carolina, I/ . 
Aug. — Oct. v, v. Resembles H. decapetalus: About 
three feet high. 
0. H. glaberrimus ; caule paniculato, ramis summitate 
paucifloris. foliis subsessilibus longissime-lanbeolatis 
triplinervibus integerrimis, inferioribus serratis, caly- 
cinis squamis ovatis acutis, exterioribus linearibus di- 
varicatis. 
In the western parts of Georgia. Lyon. 11 . Aug.— 
Oct. v. v. From four to seven feet high ; stem dark 
purple and very smooth ; flowers middle size. 
** Foliis superioril-us alternis. 
7. H. foliis alternis lanceolatis serratis scabris obsolete tri- 
plinervibus utrinque attenuatis subsessilibus basi cilia- 
tis, calycinis squamis lanceolatis Ciliatis. (Villd. sp. 
pi 3. p. 2242. 
In dry swamps and on mountain meadows : Canada to 
Carolina. I/. 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. lVilld. sp. pl. 3. 
p. 2243. 
Icon. Jacq. hort. vind. t. 100. 
In copses and mountain meadows : Pensylvania to Caro- 
lina. I/. 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. pl. 3. p. 2242. 
Icon. Bocc. sic. t. 2 J.f 4. 
In Canada and New England. 2[ . Aug. — Oct. v. v. 
10. H. caule debili prostrato, foliis lanceolatis acuminatis 
scabris serratis triplinervibus, superioribus integerrimis, 
calycinis squamis lanceolatis ciliatis. — lVilld. sp. pl.3. 
p. 2242. 
In North America. Willdenow . 1/. -f. 
1 1 . H. foliis ovatis acuminatis remote serratis triplinervibus 
scabris, calycinis squamis lanceolatis subaequalibus 
57 1 
longif ollus. 
giganteys . 
altis simus. 
strumosus. 
prostratus . 
decapetalus . 
