POLYANDRIA POLYGYNIA. Thalicttum. 380 
On the banks of ditches and rivulets : Pensylvania and 
Virginia. 7/. June — Aug. v. /v. A tall species j 
flowers white. 
5. T. caule foliis duplo altiore, foliis compositis, foVioWs purpurascens^, 
subrotundis 3-fidis incisis, paniculis nudiusculis, flo- 
ribus cernuis, staminibus coloratis. — IVilld. sp.pl. 2. 
P- 1299. 
On dry sunny hills : Pensylvania and Virginia. 4 . 
May, June. v. v. A small plant ^ stem and filaments 
purple. 
6. T. foliis simplicibus 5-lobis serratis, floribus corymbosis. ranunculi^ 
— IVilld. enum. 5B5. " num. 
In Carolina. Willdenow. 7/. -f. Flowers resembling 
those of T. speciosum. 
459. HYDRASTIS. Gen. pi. 958. 
1. H. caule superne opposite diphyllo, foliis petiolatis basi canadensis. 
emarginalis palmatis serratis incisis, peduncuio termi- 
nali solitario unifloro. — Willi, 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. 
7/ . April, May. v. ik Flowers pale rose-coloured j 
berry red. The roots are yellow, and afford a fine dye. 
460. BRASENIA. Gen. pi. Q38. 
Hydropeltis. Mich.Jl. amer. l.p. 323. 
1. B. foliis centre peltatis ovalibus integerrimis, pedunculis pdtaia. 
solitariis unifioris. 
Hydropeltis purpurea. Mich.fl. amer. \ . p. 324. t. 29. 
Icon. Bot. mag. II47. Pluk. aim. t. 34g.f. 3. 
In lakes and slow-flowing w^aters : New Jersey to Ca- 
rolina. 7/f . June — Aug. v.v. Floating on the win- 
ter ; the whole plant has a purple colour j the flowers 
dark purple, the size of Caltha-, the petioles and under 
surface of the leaves are covered with a transparent 
gelatinous substance. 
461. CALTHA. Gen. pi, 957. 
1. C. caule erecto unifloro unifolio, foliis radicalibns cor- ficarioides. 
dato-ovatis obtusissimis paucidentatis muitinervibus, 
petalis ellipticis. 
