MONOECIA MONANDRIA. 
515 
CAULINIA. Willd. 
Masculi — Calyx 0. 
Corolla 0. Anthera 
sessilis. 
Foeminei — Calyx 0. 
Corolla 0. Stylus fili- 
formis. Stigma bifi- 
dum. Capsula mono- 
sperma. 
I 
I Iff • 
i 1. Flexilis. Willd. 
C. foliis senis, linea- 
ribus, apice denticula- 
tis, patentibus. 
Sp. pi. 4. p. 182. Pursh, l.p. 2. 
Root fibrous, perennial. Stem or 
always submersed, branching, jointed, 
diaphanous, slightly denticulate near 1 
visible without a lens. Flower soli 
Seed oblong, yellow. 
Grows in ditches and stagnant wat€ 
Flowers May, July, and August. 
Male Florets — Calyx 
0. CorollaO. Anther 
sessile. 
Female— C alyx 0. 
Corolla 0. Style fili- 
form. Stigma 2-cleft. 
Capsule one-seeded. 
Leaves verticillate, 
six in a whorl, linear, 
denticulate at the sum- 
mit, expanding. 
Nutt. 2. p. 201. 
to two feet long, slender, glabrous, 
Leaves linear, verticillate, somewhat 
be summit, the denticulation scarcely 
:ary, axillary, sessile. Style long. 
CHARA. Gen. Pe. 1397. 
Masculi — ~Calyx 0. 
Corolla 0. Anthera 
globosa, sessilis. 
Foeminei — Calyx 0. 
Corolla 0. Stylus 0. 
Male Florets — Ca- 
lyx 0. Corolla 0. An- 
ther globose, sessile. 
Female — Calyx 0. 
Corolla 0. Style 0. 
