POLYANDRIA POLYGYNfA. Thalictrum. 



389 



On the banks of ditches and rivulets : Pensylvania and 

 Virginia. 1/. June — Aug, v. v. A tall species j 

 flowers white. 

 5. T. caule foliis duplo altiore, foliis compositis, foliolis purpurascens, 

 subrotundis 3-fidis incisis, paniculis nudiusculis, flo- 

 ribus cernuis, staminibus coloratis. — JFilld. ip. pl.2. 

 p. 1299. 

 On dry sunny hills : Pensylvania and Virginia. 2/ . 

 May, 'June. v. v. A small plant j stem and tilaments 

 purple. 

 •5. T. foliis simplicibus 5-lobis serratis, flovibus corymbosis. 

 — IV Hid. en urn. 585. 

 In Carolina. IFilldenoiv. 11.+. Flowers resembling 

 those of T. spcciosum. 



ranunculi- 

 num. 



A5C,. HYDRASTIS. Gen.pl.gbS. 



\. H. caule superne opposite diphyllo, foliis petiolatis basi 

 emarginatis palmatis serratis incisis, pedunculo termi- 

 nali solitario unifloro. — WiUi. sp. pi. 2. p. 1340. 



Icon. Mill. ic. t. 285. 



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

 da to Carolina, principally in the Allegany mountains. 

 11 . April, May. v, v. Flowers pale rose-coloured ; 

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



460. BRASENIA. Gen. pi. 988. 



Hydropeltis. Mlch.fl. amer. I. p. 323. 



1. B. foliis centro peltatis ovalibus integerrimis, pedunculis 

 solitariis unifloris. 



Hydropeltis purpurea. Mich. , ft. amer. I. p. 324. t. 2Q. 



Icon. Bot. wag. 1147 . Pli^-^- aim. t. 34g.f. 3. 



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

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

 ter ; the whok- plant has a purple colour ; the flowers 

 dark purple, the size of Cnltlia; the petioles and under 

 surface of the leaves are covered with a transparent 

 gelatinous substande. 



canadensii. 



peliata. 



461. CALTHA. Gen.pl.g37. 



C. caule erecto unifloro unifolio, foliis radicalibus cor- ,/icarioides. 

 dato-ovatis obtusissimis paucidentatis multinervibus, 

 petalis elhpticis. 



