igQ 



PENTANDKIA DIGYKIA. 



aimencana. 



flexicaulis. 

 gracilis. 



vulgaris. 



umlellata. 



repanda. 



lineaia. 



composita. 



234. HYDROCOi YLE. Gen. pi. 457. 



1. H. glabra, tuberosa 5 foliis subpeltato-orbiculatis dnpH- 

 cato-crenatis, glonierulis paucilloris sessilibus. — If^illd. 

 up. pi. I. p. 13()1. 



a. H. caulibus firmioribus brevioribusque quasi angulatim 

 tlexuosis. Mich. ft. amer. I. p. 102. 



/3. H. gracilior, filiformis, non flexuosa ; foliis minoribus. 

 Mick. I. c. 

 In bogs and sphagnous swamps ; a. Canada to Virginia. 

 /3, in the mountains of Carolina, Virginia, and in 

 Canada. 1/ . June— Aug. v. v. Flowers exceeding 

 small, and of a greenish colour, as is the case with 

 all the following species. 



2. H. foliis orbiculatis peltatis leviter crenatis, scapo inter- 



rupto-spicato paucifloro. — IVilld. sp.pl. 1. p. ]360. 

 Icon. Fl. dan. QO. Evgl. hot. 751. 

 In swamps and overflowed places : Canada to Georgia. 



Ij. . May — July. v. v. 



3. H. foliis peltatis crenatis basi emarginatis, umbellis pe- 



dunculatis muhifloris, iloribus pediceliatis, JVilld. 

 sp. pi. 1. p. ladl. 

 In wet fields and mossy swamps : Virginia and Carolina. 

 }/. May — July. v. v. 



4. H. foliis rolundato-cordatis subangnlato-repandis, petio- 



lis nervisque pilosis, caj-itulo pedunculato trifloro vil- 



loso. Pers.syn. I. p. 302. 

 H. ficaroid<.'S. Micli.Jl. awer. I. p. 161, 

 H. reniformis et cordata. JValt.Jl. car. 1 13. 

 On overflowed banks of rivers in Lower Carolina and 



Georgia. 1L . June, July. v. v. Seeds larger than 



the preceding species. 



5. H. minuta, glaberriraa 5 foliis crassiusculis lineari-cunea- 



tis transversim linealis, umbella pedunculata. — Mich. 

 Jl. amer. 1. p. j6.>. 

 In overflowed places of Lower Carolina. "}/ . April, 

 May. +. 



6. H. radice globcso-bulbosa, caule simplici diphyllo bifi- 



do, folio laterali 3-partito, partilionibus subpinnatis, 

 pinnulis divisis : terminal! sub-biternato, umbellis 

 terminalibus 3 — 5-floris. 



Sison bulbosnm. Mich.fl. amer. I. p. 169. 



On rockS; in wet shady places, near Knoxville, Ken- 

 tucky. Michaux. i(. . March, April, v. s. in Herb. 



