polyandria polygynia. Ranunculus. 
basi hirsutis, pedunculis subbidoris, calycibus reflexis. 
Law . encycl. 6. p. 125. 
In North America. Lamarck. %. -f . Flowers pale 
yellow. 
21. R. hirsutissimus, erectus j foliis ternatis, foliolis acute 
lobatis, caulibus infra primum pedunculum nudis pau- 
cifloris, calyce appresso. Mich.Jl. amer. l.p. 321. 
In wet fields and on the banks of ditches : Virginia and 
Carolina. 7/. June — Aug. v. v. Flowers small, 
pale yellow. 
22. R. foliis submersis capillaceis, emersis peltatis. Willd. 
sp . pl. 2. p. 1332. 
R. heterophyllus. Roth fl. germ. 1 . p. 240. 
Icon. Engl. lot. 101. FI. dan. 37$. 
In ponds and slow-flowing rivulets: Canada to New 
York. 7/. June, July. v.v. Flowers white. 
23. R. foliis omnibus dichotomo-capillaceis, caule natante. 
IVilld. sp.pl. 2. p. 1333. 
Icon. FI. dan. 3/Q. 
In tranquil rivers : Pensylvania to Carolina. 7/ . June 
— Aug. v. v. Flowers white. 
Seminibus aculeatis. 
24. R. glabellus, diffusus $ foliis simplicibus subrotundis tri- 
lobatis, calycibus longitudine corollarum. — Willd . sp. 
pl. 2. p. 1329. 
Icon. Lam. illustr. t. 498. jf. 2. Alp. exot. 262. 
In old fields: Virginia and Carolina. 0. June, July. 
v. v. Flowers yellow. 
25. R. glabellus, simplex ; foliis simplicibus subrotundis tri- 
lobatis, petalis calyce duplo longioribus.' — Vent. hort. 
cels 73. 
Near Charlestown, South Carolina. Bosc. -f. Flow- 
ers yellow, more than twice the size of the preceding 
one. 
466. SAGITTARIA. Gen.pl. 1441. 
1 . S. foliis lanceolatis acutis sagittatis, lobis lanceolatis acu- 
tis rectis, scapo simplici, floribus monoicis, bracteis 
calycibusque lanceolatis acutis. — Willd. sp. pl. 4. 
p. 408 . 
Icon FI. dan. 1/2. 
In small ponds and ditches : Pensylvania to Carolina. 
% 
3 95 
hispidus . 
aquatilis , 
fluviatilis , 
muricatus . 
echinatus . 
sagittifolia . 
/3. minor. 
