190 
americana. 
fiexicaulis. 
gracilis. 
vulgaris. 
O 
umbella ta. 
repanda. 
lineata, 
composita . 
PENTANDRIA DIGYKIA, 
234. HYDROCOTYLE. Gen. pi. 457 . 
1. H. glabra, tuberosa j foliis subpeltato-orbiculatis duplt- 
cato-crenatis, glomerulis paucifloris sessilibus. — JVilld. 
sp. pi. 1 . p. 1301 . 
a, H. caulibus firmioribus brevioribusque quasi angulatim 
flexuosis. Mich. fl. amer. l.p.lQl. 
jo. H. gracilior, filiformis, non flexuosa $ foliis minoribus. 
Mick. L c. 
In bogs and sphagnous swamps : a. Canada to Virginia. 
j3. In the mountains of Carolina, Virginia, and in 
Canada. If. 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. I. p. 1300. 
Icon. Fl. dan. go. Engl. hot. J5\. 
In swamps and overflowed places : Canada to Georgia. 
If . May — July. v. v. 
3. H. foliis peltatis crenatis basi emarginatis, umbellis pe- 
dunculatis multifloris, floribus pedicellatis. Willd. 
sp. pl. 1. p. 1301. 
In wet fields and mossy swamps : Virgin ia and Cardina. 
I/. May^ — July. v.v. 
4. H. foliis rotundato-cordatis subangulato-repandis, petio- 
lis nervisque pilosis, capitulo pedunculato trifloro vil- 
loso. Pers.syn. 1. p. 302. 
H. ficaroides. Mich.fi. arner. 1 . p. 101. 
H. reniformis et cordata. Walt.fi. car. 1,13. 
On overflowed banks of rivers in Lower Carolina and 
Georgia. H . June, July. v. v. Seeds larger than 
the preceding species. 
5. H. minuta, glaberrima 5 foliis crassiusculis lineari-cunea- 
tis transversim lineatis, umbella pedunculata. — Mich, 
fi. amer. 1 . p. iOi. 
In overflowed places of Lower Carolina. 11. April, 
May. 4- . 
6'. H. radice globoso-bulbosa, caule simplici diphyiio bifi- 
do, folio laterali 3-partito, partitionibus subpinnatis, 
pinnulis divisis : terminali sub-biternato, umbellis 
terminalibus 3 — 5-floris. 
Sison bulbosum. Mich.fi. amer. 1. p. 169. 
On rocks, in wet shady places, near Knoxville, Ken- 
tucky. Michaux. if . March, April, v. s. in Herb. 
