272 OCTANDRIA TRIGYNIA. Polygonum, 
In overflowed and wet places ; common. ©, July, Aug. 
v.v. Flowers rose-coloured ; leaves generally marked 1 
» with a black spot in shape of a half moon ; known by 
the name of Ladies-thuml. wy A 
orientale. 14. P. floribus 7-andris 2-gynis, foliis ovatis, caule erecto, 972 
ochreis hirtis hypocrateriformibus. Willd. sp. pl. 2. — 4 
p. 448. : 
icon, Bot, mag.213. Mill. ic. 201. 
Near gardens and in old fields: Virginia. ©. July, TP 
Aug. v.v. Sometimes six feet high ; flowers large, 
A** Floribus paniculatis. 
articulatum. 15, P. floribus 8-andris 3-gynis, spicis paniculatis fiiliformi- 
bus, floribus solitariis pedunculatis, bracteis imbrica- 
tis truncatis, foliis linearibus, ochreis vaginalibus trun- — 
catis, canle herbaceo.— Wiild. sp. pl. 2. p. 450. 
In sandy barren fields: Canada to New Jersey. ©- 
July, Aug. v.v. A handsome, delicate plant, about 
. . 8 foot high ; flowers rose-coloured, mixed with white. 
polygamum. 16. P. floribus 8-andris 3-gynis, spicis paniculatis, floribus 
. . .Solitariis, calycis laciniis obovatis, foliis spathulatis, 
` echreis integris latere altero lanceolatis, caule fruticoso. 
5 dad — cels. 65. 
oiygonella parvifolia. Mich, fl. amer. 2. p. 241. 
In the dun of Same. July. ys — 
white, I strongly suspect this to be only a variety of 
P. articulatum, as the description and figure of Ven- 
tenat strongly indicate; but the northern plant is cer- 
tainly only an annual. T 
***** Floribus subracemosis ; foliis basi incisis vel cordatis. 
segilalum... 17. P, floribus 8-andris semi-3-gynis capitatis, foliis sagitta" 
tis, caule retrorsum aculeato.— Willd. sp. pl. 2. p. 453. 
Icon. Gmel. sib.3. t. 13. f. 2. Hort, cliff. t.12. Pluk. 
. mant.i.308.f.5. Gere 
In low wet meadows and ditches, in open situations + 
i ad York to Florida. ©. June— Aug. v.v. Flowers 
white. ins dta vd : 
arifolium. — 18, P. floribus 6-andris semi-2-gynis distinctis, spicis pat- 
cifloris, foliis hastatis, caule retrorsum aculeato.— 
.. Willd. sp pl. 2. p. 453. pie erm 
Icon. Pluk, amalth. 1,308. £3. — es 
