272 
orientale . 
arliculatum . 
polygamum. 
mgittatum. 
m folium . 
OCTA^DRIA TRIGYNIA. PolygOnUrp, 
In overflowed and wet places ; common. ©. July, Aug. 
v. v. Flowers rose-coloured ; leaves generally marked 
with a black spot in shape of a half moon 3 known by 
the name of Ladies-thumb. 
14. P. floribus 7 -andris 2 -gynis, foliis ovatis, caule erecto, 
ochreis hirtis hypocrateriformibus. Willd. sp. pl. 2 . 
p. 448. 
Icon. Bot. mag. 213. Mill. ic. 201 , 
Near gardens and in old fields: Virginia. ©.July, 
Aug. v. v. Sometimes six feet high 3 flowers large, 
crimson. 
**** Floribus paniculatis. 
15. P. floribus 8 -andris 3-gynis, spicis paniculatis fiiliformi- 
bus, floribus solitariis pedunculatis, bracteis imbrica- 
tis truncatis, foliis linearibus, ochreis vaginalibus trun- 
catis, caule herbaceo. — IVilld. sp. pl. 2 . p. 450. 
In sandy barren fields : Canada to New Jersey. © . 
July, Aug. v. v. A handsome, delicate plant, about 
a foot high ; flowers rose-coloured, mixed with white. 
16 . P. floribus 8 -andris 3-gynis, spicis paniculatis, floribus 
solitariis, calycis laciniis obovatis, foliis spathulatis, 
ochreis integris latere altero lanceolatis, caule fruticoso. 
Vent. hort. cels. 65. 
Polygonella parvifolia. Mich.Jl. amer. 2 . p. 241. 
In the barrens of Carolina. 1 ? . July. . Flowers 
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. 
***** Floribus subracemosis 3 foliis basi incisis vel cordatis . 
17 . P. floribus 8 -andris semi-3-gynis capitatis, foliis sagitta- 
tis, caule retrorsum aculeato. — IVilld. sp. pl. 2. p. 453. 
Icon. Gmel.sib. 3. t. 13./. 2. Hort . cliff, t. 12. Pluk. 
mant. t. 398 ./ 5. 
In low wet meadows and ditches, in open situations : 
New York to Florida. ©. June— Aug. v.v. Flowers 
white. 
18. P. floribus 6-andris semi-2-gynis distinctis, spicis pau- 
cifioris, foliis hastatis, caule retrorsum aculeato. — 
IVilld. sp. pl. 2. p. 453. 
Icon. Pluk . amaltk. t. 3Q8 ./. 3. 
