OCTANDRIA. TRIGYNIA. Polygonum. 
* Digyna. 
. 1 Flowers with two pistils, 
,ampkihi~ P. floribus pentandris semidigynis, spica ova- 
um, ‘ ta. 
P. Style cloven \ spike egg-shaped. 
AMPHIBIOUS PERSICARIA. In cultivater!p-onnd, 
and in ditches. Ivewark. P. July. Augnst- 
Piersica^ P, floribus hexandris semi-digynis, spicis 
7 ta, ovato-oblongis, erectis, pedunculis laevi- 
bus stipulis ciliatis. CuRT. 
P, Styles 2; spikes egg-oblong: leaves spear* 
shaped : stipula Jnnged, 
SPOTTED ARSMART. Ditches on the side of wafer^ 
and sometiines in cornfields. Jiewark. A. July, Aug. 
FJxdro, P. floribus hexandris semidigynis, foliis lan- 
piper, ceolatis undulatis immaculatis, spicis fill. 
formibus nutantibus, caule ereeto. 
Pt Flowers with cloven pistils : stipula some* 
what fringed : haves ^pear-shaped. 
, BITIVO PERSICARI A. Watery places, on the sides 
of rivulets,, lakeg, andditebes; trefiueni. A. Sept. 
* * Trigyna. ^ 
2‘ Flowers with 3 pistils, 
Bistor* P. caule simplicissimo monostachyo, foliis 
ta* ovatis undulatis in petiolum decurrentibus. 
P, Leaves egg-shaped* extended at the base 
along the Jootstalks* 
GREAT BISTORT,, or‘^N AKEWFT'D. Moist men- 
dows. In a ('lose between tiie la;ea and Leuton ('hurciiA 
yard. DilJbRl^c. P. Jure. 
