3i 6 DIOECIA. ENNEANDRIA. Hydiocharis. 
Faem. Cal, tripartitus. Cor, nulla. Styli 2. 
Caps, dicocca, bilocularis. Sem, solitaria. 
Male and female flowers on different plants, 
Bloss. none. Calyx with 3 divisions, 
Male Stamens from <^to 12. globular ^ 
double, 
' Fern. Caps, double^ ^.-celled ; 1 seed in each. 
peren- M. caule simplicissimo, folils scabris, radice 
nis, repente. 
M. Stem undivided : leaves rough. 
PERENNIAL MERCURY. Woods, hed^e banks. 
Top of a close in Beacon Field, near !Vlr. Millington's 
brickyard; thickets near Oxten Tolibar ; Eppers^onc 
Woods. P. April, May. 
annua. M. caule brachiato, follis glabris, floribus ra- 
cemosis, radice fibrosa. 
M, Stem branching : leaves smooth : fewer s 
in spikes. 
ANNU/XIi MERCTJflY. Waste places and dungliills, 
abbut towns ar cl villages ; notcomnun 2n gardens; 
I'iewark, Southwell. A. July, Sept. 
HYDROCHARIS. Smith. 1084. IVitk. 
393 - 
Masc. CaL trlfidus; Fet. 3. Filamenta tria 
interiora appendiculata. 
Fxm. Cal. trifidus. Pet. 3. Styli 6. Caps. 
sexiocularis, polysperma, infera. 
Male and female flowers on different plants. 
Cal. o^ clejl. Bloss. petals. 
Male. Sheath 2-leaved. Filaments, the 3 inner 
ones style-bearing. 
