POLYANDRIA POLYGYNIA. RanunCuluS, 305 



basi hirsutis, peduncalis subbifioris, calycibus reflexis. 

 Lam. encycl. d. p. 125. 

 In North Anieiica. Lamarck. 1/ . + . Flowers pale " 

 yellow. 



21. R. hirsutissimus, erectus ; foliis ternatis, foliolis acute hispidu!;. 



lobatis, canlibus intra primurn pedunculum nudis pau- 

 cifloris, calyce appresso, Mich., ft. arner. \. p. 321. 

 In wet fields and on the banks of ditches : Virginia and 

 Carolina 1^. June — Aug. v. v. Flowers small, 

 pale yellow, 



22. R. foliis submersis capillaceis^ emersis peltatis. IFilld. aquatilis. 



sp. pi. 2. p. 1332. 

 R, heterophyllus. Roth fl. germ. I. p. 'HO. 

 Icon. Engl. bol. 101. Fl. dan. 370. 

 In ponds and slow-flowing rivulets: Canada to New 



York. H/. June, July. v. v. Flowers white. 



23. R. foliis omnibus dichotomo-capillaceis, caule natante. Jluviatilis. 



IFilld. sp.pl. 2. p. 1333. 

 Icon, fl. dan. 3/0'. 

 In tranquil rivers : Pensylvania to Carolina. 1/ . June 



—Aug. V. V. Flowers white. 



*** Seminilus aculeatis. 



24. R. glabellus, diffusus j foliis simplicibus subrotundis tri- 



lobatis, calycibus longitudine corollarum. — Willd. sp. 



pl.2. p. 1329. 

 Icon. Lam. illustr. t. 4g8./ 2. Alp. exol. 262. 

 In old fields : Virginia and Carolina. O . June, July. 



V. V. Flowers yellow. 



25. R. glabellus, simplex j foliis simplicibus subrotundis tri- 



lobatis, petalis calyce dupio longioribus. — Vent. hort. 

 eels 73. 

 Near Charlestown, South Carolina, Bosc. +• Flow- 

 ers yellow, more than twice the size of the preceding 

 one, 



4G6. SAGITTARIA. Gen.pl. U4.1. 



1. S. foliis lanceolatis acutis sagittatis, lobis lanceolatis acu- sngiltifoha. 

 tis rectis, scapo simplici, floribus monoicis, bracteis Q. minor, 

 calycibusque lanceolatis acutis. — fVilld. sp, pi. 4. 

 p. 408. 

 Icon, Fl. dan. I72. 

 In small ponds and ditches : Pensylvania to Carolina. 



murlcatui. 



echinatus. 



