SYNGENESI A SUPERFLUA. 
561 
641. BOLTONIA. Gen.pl. 130g. 
1. B. foliis integerrimis, floribus longe pedunculatis, semi- 
nibus ovalibus glabris submuticis, — Willd. sp. pl. 3. 
p.2l62. 
Matricaria asteroides. Linn. mant. 11 6. 
Chrysanthemum carolinianum. Walt. Jl. car. 204. 
Icon. L'Herit. sert. angi. t. 25. ined. 
On the banks of ponds and swamps : Carolina and Illi- 
nois. 71 . Aug. — Oct. v. s. Rays flesh-coloured 
disk yellow. 
2. B. foliis inferioribus serratis, floribus breviter peduncu- 
latis, seminibus obcordatis conspicue alatis pubescenti- 
bus, aristis pappi duabus ipsorum longitudine.— 
Willd. sp.pl. 3. p. 2163. 
Icon. L'Herit. sert. angi. t. 26. ined. 
On the banks of rivers and ponds . Pensylvania to Vir- 
ginia. u . July, Aug. v. v. Resembles the pre- 
ceding very much. 
642. SIEGESBECKIA. Gen.pl. 1320. 
1. S. foliis sessilibus ovatis dentatis, floribus disci tridenta- 
tis triandris. Willd. sp. pl. 3. p. 2220. 
Icon. L'Herit. stirp. t. 19. 
On the north-west coast. M. Lewis. O. July, Aug. 
v. s, in Herb. Lewis. Flowers yellow. 
643. PHJETHUSA. Gen, pl. 13 3 9- 
1. P. foliis oppositis ovatis acuminatis serratis triplinervibus, 
corymbo terminali brachiato, — Willd. sp. pl. 3. 
p. 2221. 
Icon. Pluk. mant. t. 342. 
In North America. 1 /. +• I strongly suspect this to 
be the same with Verbesina Siegesbeckia , although Mi- 
chaux declares it to be different. 
644. ECLIPTA. Gen. pl. 1316. 
!• E. erecta, dichotoma, strigosa ; foliis lanceola tis basi at- 
tenuatis rariter serratis, pedunculis geminis elongatis, 
calycinis foliolis ovatis acuminatis.— Willd. sp. pl. 3 . 
p. 22iy. 
Verbesina alba. Sp.pl. 1272. 
asteroides. 
glastifolia , 
Jlosculosa. 
americana. 
erecta. 
