POLYANDRIA POLYGYNIA, Ranunculus, 
basi hirsutis, pedunculis subbifloris, calycibus reflexis, 
Lam. encycl. 6. p. 125. 
In North America. Lamarck, Y. +. Flowers pale 
yellow. 
21. R. hirsutissimus, erectus ; foliis ternatis, foliolis acute 
lobatis, caulibus infra primum pedunculum nudis pau- 
cifloris, calyce appresso. Mich. fl. amer. 1. p. 321. 
In wet fields and on the banks of ditches: Virginia and 
Carolina. Y. 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. bot. 101. Fi. dan. 370. 
In ponds and slow-flowing rivulets: Canada to New 
=, York. XY. June, July. v.v. Flowers white. 
23. R. foliis omnibus dichotomo-capillaceis, caule natante. 
Willd. sp. pl.2. p. 1333. | 
Icon. Fl. dan. 376. 
In tranquil rivers: Pensylvania to Carolina. 24. June 
-—Aug. v.v. Flowers white, 
*&* Seminil-us aculeatis. 
24. R. glabellus, diffusus; foliis simplicibus subrotundis tri- 
lobatis, calycibus longitudine corollarum.— Willd. sp. 
pl. 2. p. 1329. 
Icon, Lam. illustr. t. A98. f. 2. Alp. exot. 262. 
In old fields: Virginia and Carolina. ©. June, July. 
|» v.v. Flowers yellow. | 
25. R. glabellus, simplex ; foliis simplicibus subrotundis tri- 
lobatis, petalis calyce duplo longioribus,— ent. hort. 
_. eels 73. " 
Near Charlestown, South Carolina. Bosc. +. Flow- 
ers yellow, more than twice the size of the preceding 
466. SAGITTARIA. Gen. pl. 1441. 
1. S. foliis lanceolatis acutis sagittatis, lobis lanceolatis acu- 
. fis rectis, scapo simplici, floribus monoicis, bracteis 
. calycibusque lanceolatis acutis.— Willd. sp. pl. 4. 
p.408. E. 
= Icon. Fl. dan. 172. 
In small ponds and ditches: Pensylvania to Carolina. 
395 
hispidus. 
aquatilis, 
fluviatilis, 
muricatus. 
echinatus. 
sagittifolia. 
LI minor . ^ 
