POLYGONACEAE | 457 
ing, tip usually protruding from the calyx.—Swamps, ditches and wet grounds, 
Coastal Plain and adj. provinces, Fla. to Tex., Mo., and Mass.—(W. I., Mez.) 
P. hydropiperoides (Michx.) Small. Perennial, strigillose in parts: leaf- 
(nae Rare varying to elliptic-lanceolate or "linear-lanceolat e, 4-13 cm. 
long: ocreae long-fr ddr sparingly strigose: panicles slender, erect: ocreolae 
frin ET: perianth becoming 3—3.5 mm. long; sepals pink, purplish or white, not 
donde psu 3-angled, 2-2.5 mm. long, shining, the tip covered by the 
calyx.— (MILD WATER-PEPPER.)—-Swamps, wet soil, and low woods, various prov- 
inces, Fla. to Tex., Wash., Ont., and N. B.—(Me ea.) | 
10. P. setacea (Baldw.) Small. Perennial, ai or less strigose: leaf-blades 
et iod ari to narrowly lanceolate, 4-18 c ong, narrowed at the base: 
ocreae long-fringed, coarsely-strigose: panicles PERA erect: Pn p long- 
and perianth becoming 2.5-3 mm. Ln sepals white or pink, not punctate: 
chene 3-angled, 2-2.5 mm. long, shining.—Swamps, Coastal Plain and adj. 
provinces, Fla. to Tex., Mo., and e 
11. P. paludicola Small. E F. a or nearly so: leaf-blades oval, 
elliptic, or elliptic-lanceolate, 1.5-8 cm. long: ocreae bristle-fringed, glabrous 
or sparingly a cag panicles ener erect: ocreolae glabrous nn hein 
perianth becoming 2.5-3 mm. long; sepals greenis h, not puncta ache 
3- ied broadly ud about 2.5 mm. long, shining, the apex Mm tM 
from the calyx Everglades, Fla. 
12. P. hirsuta Soie ‘Small. Perennial, hirsute, up to the e 
Mini or ga abrate, the internodes merely strigillose in P. hirsuta glabre 
ms): leaf-blades Bde e, 3-10 em. long, cordate or subeordate i ae o 
ee hirsute and fringed: panicles s slender, eee ocreolae usually sparingly 
fringed, the cilia eg hs iduous: per Pun oe 2.5-3 mm. long; 
sepals white or pink t punctate: achene 2-2.5 mm. long, shining.— 
Swamps and wet soil, Ona Plain, Fla. and Ga- UW. I.) 
ae ea Hydropiper e Opiz. Annual, glabrous or nearly so: leaf- kenn 
owly ovate to elliptie pee ns or lanceolate, 1.5-9 cm. long: ocrea 
od 
short: RE p eles stoutish, nodding: ocreolae short-fringed: perian nth be. 
com 3-3.5 mm. long; sepals pier aera -punctate: achene pals 
jeu or 3- a ed, dull, 2.5-3 mm. long.—(WATER-PEPPER. Com 
SMARTW T "arcad soil and wet banks, various provinces, Fla. to Tex. ger 
an. f Eu. 
14. P. punctata (Ell) Small. Perennial, usually nearly glabrous: leaf- 
blades lane du E to up er oe 2-11 em. long: ocreae long-fringed: 
panicles slender pare a E anthesis (very put and with re- 
mote oereolae and a henes pes : lon 2 2i pid leptostachya) : oereolae 
more or less TIME Second bonn mm. long; dn whitish or 
a Ea -punctate: achene db E i o 5 mm. long, shin- 
ing. [Polygonum acre H.B.K. ATER-SMARTW MARTWEED.) 
—Low grounds and swamps, various Muni , Fla. o "Tex. Calif. and S Can. 
—(W. I., Mez., C. A., S. A.) 
15. P. orientalis (L.) Spach. s tall, more or less hirsute: deaf. blades 
ovate to broadly elliptic, 6-25 c ong: ocreae spreading and ciliate at the 
: panicles stout, nodding: Auer pubescent and ciliate: perianth becom- 
ing 44.5 m m. long; ces dark rose-colored, not punctate: achene lenticular, 
orbieular, 3- -3. 5 mm ong.—(PRINCE'S-FEATHER. PRINCE'S-PLUME.) —Road- 
vae waste grounds, a about dwellings, various provinces, E U. S. Nat. 
sia. 
