POLYANDRIA POLYGYMIA, RanunCuluS. 



basi hirsutis, pedunculis subbifioris, calycibus reflexis. 

 Lam. encycl. 6. p. 125. 

 In North America. Lamarck. % . -f- . Flowers pale 

 yellow. 



21. R. hirsutissimns, erectus ; foliis ternatis, foliolis acute 



lobatis, cauiibus infra primum periunculum nudis pau- 

 citloris, caiyce appresso. Mick.fl. amer. 1 . p. 321 . 

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

 Carolina. %. June — Aug. v. v. Flowers small, 

 pale yellow, 



22. R. foliis submersis capillaceis^ eraersis peltatis. Willd. 



sp.pl. 2. p. 1332. 

 R. heterophyllus. Roth fl. germ. 1. p. 240. 

 Icon. EngL hot. 101. FL dan. Syd. 

 In ponds and slow-flowing rivulets: Canada to New 



York. 1/ . June, July. v. v. Flowers white. 



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



ir/lld. sp.pl. 2. p. 1333. 

 Icon. Fl. dan. ojQ. 

 In tranquil rivers : Pensylvania to Carolina. % . June 



— Aug. V. V. Flowers white. 



*** Serninilus aculeatis. 



24. R. glabellus, dilFusus ; foliis simplicibus subrotundis tri- 



lobatis, calycibus longitudine corollarum. — Wiild. sp. 



pi. 2. p. 1329. 

 Icon. Lam. illustr.t. AgS. f 2. Mp. exot.262. 

 In old tields: Virginia and Carolina. O- June, July. 



V. V. Flowers yellow. 



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



lobatis, petalis caiyce dupio longioribus. — f^ent. hort. 

 eels 73. 

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

 ers yellow, more than twice the size of the preceding 

 one. 



305 



iquatilis. 



JiuviatiUs. 



muncalus. 



echinatus. 



466. SAGITTARIA. Gen.pl lAAi. 



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



tis rectis, scapo simplici, floribus monoicis, bracteis 



calycibusque lanceolatis acutis. — Willd. sp. pi. 4. 



p. 408. 



Icon Fl. dan. 1 72. 



In small ponds and ditches : Pensylvania to Carolina. 



sagittifoUa, 

 B. minor. 



