polyandria poLYGYNiA. xAmemone. 
purple, small ; the whole plant very slender and de- 
licate j roots tuberous. 
5. A. caule unifloro nudo, foliis palmatis longius petiolatis, 
corolla 5-petala, radice tuberosa. 
Thalictrum carolinianura. Walt.Jl. car. 157- 
In Carolina. Walter. 11 . -j- • I was riot able f° hftd 
any information respecting this plant in the Walterian 
Herbarium, but consider it to belong rather to this 
genus than to Thalictrum. 
6. A. floribus umbel latis in volueratis, foliis radicalibus bi- 
ternatis, foliolis subcordatis 3-dentatis, involucFo 6- 
phyllo, foliolis petiolatis conformibus, umbella pauci- 
flora, seminibus nudis striatis, radice tuberosa.— 
Willd. sp.pl . 2. p. 1284. 
Thalictrum anemonoides, Mich.fl. amer. l.p.322. 
Icon. Bot.mag. 866. Annales du mus. 3. t. 21. f. 2. a . 
& b. Pluk. aim. 1 . 106 , f. 4. Willd. hort. heroi .44. 
1 6. A. involucro unifloro. Gronov. virg. 
In woods, frequent : Canada to Carolina. 1/ . March 
— May. v. v. Flowers white. A beautiful double 
variety is cultivated in the gardens, which in delicacy 
of figure and colour exceeds any other species of this 
elegant genus. 
7- A. floribus umbellatis involucratis, foliis radicalibus mul- 
tifido- palmatis incisis, laciniis linearibus, involucris 
sessilibus incisis, umbella pauciflora, pedicellis involu- 
cro longioribus. — Willd. sp. pl. 2. p . J283. 
In Canada and on the north-west coast. 11 . April, May. 
v . s. Flowers white. 
8. A. caule dichotomo, foliis radicalibus palmatis, caulinis 
sessilibus amplexicaulibus 3 «fidis : infimis ternatis : 
lobis acute lanceolatis inciso-serratis, pedunculis soli- 
tariis unifloris, seminibus capitulo globoso nudis subu- 
lato-rostellatis.— Willd. sp. pl. 2. p. J 280. 
A. aconitifolia. Mich.Jl. amer. 1. p. 320. 
In meadows and on the borders of woods : Canada to 
Pensylvania. % . June, July. v. v. Flowers large, 
white ) anthers yellow. 
Q. A. caule dichotomo, foliis caulinis omnibus oppositis am- 
plexicaulibus trifidis, lobis cuneato-lanceolatis superne 
inciso-serratis, pedunculis solitariis unifloris, seminibus 
capitulo globoso nudis recurvato-mucronatis, Willd. 
sp.pl. 2. p, 1280. 
A, irregularis. Lam . encycl. 1. p. 16/'. 
m? 
Walteri. 
ihalictroides , 
umdofa. 
narcissi/lora. 
pensylvanica. 
dichotoma . 
