POLYANDRIA POLYGYNIA. Thalictrum. 



38» 



ranunculi' 

 num. 



On the banks of ditches and rivulets : Pensylvania and 

 Virginia. Ij.. June — Aug, v. v. A tall species j 

 flowers white. 



5. T. caule foliis duplo altiore, foliis compositis, ioWoW?. purpurascens, 

 subrotundis 3-fidis incisis, paniculis nudiusculis, flo- 

 ribus cernuis, staminibus coloiatis. — JVilld ip. pi. 2. 

 p. 1299.' 

 On dry sunny hills : Pensylvania and Virginia. If. . 

 May, June. v. v. A small plant 3 stem and filaments 

 purple. 



0. T, foliis simplicibus 5-lobis serratis, floribus corymbosis. 



— IF Hid. en urn. 585. 

 In Carolina, lFilldeno7v. Ij.. +. Flowers resembling 

 those of T. speciosujn. 



459. HYDRASTIS. Gen.pLg58. 



1. H. caule superne opposite diphyllo, foliis petiolatis basi canadensis. 



emarginatis palmatis serratis incisis^ pedunculo terrai- 

 nali solitano uniHoro. — PFilld. sp. pi. 2. p. 1340. 



Icon. Mill. ic. t. 265. 



In shady woods, on fertile soil and among rocks : Cana- 

 da to Carolina, principally in ihe Allegany mountains. 

 1/. April, May. v. v. Flowers pale rose-coloured ; 

 berry red. The roots are yellow, and afford a fine dye. 



460. BRASENIA. Gen. pi. 93s. 

 Hydropeltis. Mkh.fl.amer. l.p. 323. 



1. B. foliis centro peltatis ovalibus integerrimis, pedunculis peltata. 



solitariis unitioris. 



Hydropeltis purpurea. Mkh.fl. amer. 1. p. 324. t. 29. 



Icon. Bot. mag. II47. Pluk. aim. t. SAQ.f. 3. 



In lakes and slow-flowing waters : New Jersey to Ca- 

 rolina. 11 . June — Aug. v. ik Floating on the wa- 

 ter ; the wholr plant has a purple colour ; the flowers 

 dark jiurple, the size of Cnltha; the petioles and under 

 surface of the leaves are covered with a transparent 

 gelatinous substance. 



461. CALTHA, Gen.pLQ57. 



C. caule erecto unifloro unifolio, foliis radicalibns cor- 

 dato-ovatis obtusissimis paucidenlatis multinervibus, 

 pelalis elhpticis. 



Jicarioides. 



