SYNGENESIA FRUSTRANEA. HelianthuS. 
In woods and dry swamps ; Canada to Carolina, i/ . 
Ang. — Oct, v.v. Resembles H. decapetalus. About 
three feet high. 
6. H. glaberrimus ; caule paniculate, ramis summitate 
paucifloris, foliis subsessilibus longissirae-lanceolatis 
triplinervihus integerrimis, inferioribus serratis, caly- 
cinis squamis ovatis acutis, exterioribus linearibus di- 
varicatis. 
In the western parts of Georgia. Lyon. 'll . Aug. — 
Oct. V. V. From four to seven feet high 5 stem dark 
purple and very smooth ; flowers middle size. 
Foliis supenorihus alternis. 
7. H. foliis alternis lanceolatis serratis scabris obsolete tri- 
plinervibus utrinque attenuatis subsessilibus basi cilia- 
tis, calycinis squamis lanceolatis ciliatis. IVilld. sp. 
pi. 3. p. 2242. 
In dry swamps and on mountain meadows : Canada to 
Carolina. I/ , Aug, — Oct. y. 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 petiolaiis, petiolis ciliatis, 
calycinis squamis lanceolatis ciliatis. IVilld. sp. pl. 3. 
p. 2243. 
Icon. Jacq. hori. vind. t. 16O. 
Jn 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 triplinervihus subtus 
scabris, calycinis squamis lineari-lanceolatis basi cili- 
atis. Willd. sp.pl. 3. p. 2242. 
Icon. Bocc. sic. t. 2y .f. 4. 
In Canada and New England. . Aug. — Oct. v. v. 
10. FI. caule debili prostrato, foliis lanceolatis acuminatis 
scabris serratis triplinervihus, superioribus integerrimis, 
calycinis squamis lanceolatis ciliatis. — Willd. sp. pl.3, 
p. 2242. 
In North America. Willdenoiv. "I/ . -f . 
1 1. H. foliis ovatis acuminatis remote serratis triplinervihus 
scabris, calycinis squamis lanceolatis subaequabbus 
571 
longif ollus. 
giganleus. 
altissimus. 
strumosus. 
prostratus. 
decapetalus. 
