University oi Alaska Herbarium (ALA)
Museum of the North
H1122207
PLANTAE EXSICCATAE GRAYANAE
1238. Polygonum Hydropiper L.
Sp. Pl. 361 (1753); Michx. F1. Bor.-Am. 1. £238 (1803);
Me1s11. Monog. 76 (1826) erin DC. Prod. xiv. 109 (1356);
Hooker, Fl. Bor.~Am. ii. 132 (1838); Gray, Man. 387
(1818); Macoun, Cat. Canad. Pl. pt. 3, 411 (1886); Small
in Mem. Dept. Bot. Columbia College, 1. 84-, t. 29 (1895)
et in Britton & B1-own, 111. Fl. 1. 560, fig. 1333 (1896);
Stanibrd in Rhodora, xxix. 77 (1927); Victorin, Fl. Lau-
rem. 186, Hg. 40 (1935).
Syn. Persicaria I-L1/rlropiper   Opiz, Seznam, 72 (1852);
Small, Fl. Se. U.S. 379 (1903) et in Britton & Brown, Ill.
Fl. ed. Q, 1. 670, fig. 16412 (1913); Rydb. Fl. Rocky Mrs.
237 (1918) er Fl. Pr. & Pl. 289 (1932).
Wet open clay soil of cow pasture, university farm,
Orono, Perxobscot County, MAINE.
Coll. l".H.STn:1NM11Tz, E.C.OGm:N. August 11, 194-2.

