MUSBUUI Of the North
IllIllllllIlllllllllllllllllllIII
H1122168
PLANTAE EXSICCATAE GRAYAN AE
1235. Polygonum erectum L.
Sp. Pl. s6s(175:1); Willd. Sp. Pl. 11. 450 (1800); Mrrlrl.
Cat. 410 (1813); Watson, Bot. Calif. ii. 11 (1880); Macoun,
Cat. Canad. Pl. pt. 3, 407 (1886); Watson & Coulter in
Gray, Man. ed. 6, 4--10 (1890); Small in Mem. Dept. Bot.
Columbia College, i. 110, t. 42 (1895), in Britton & Bro\vn
Ill. Fl. 1. 568, HQ 1312 (1890) et Fl. Sr. U.S. 374 (1903);
Rydb. Fl. Rocky Mis. 233 (1918) er FI. Pr. & Pl. 281
(1932); Virmrrrr, Fl. Laurent. 189, fig. 39 (1935).
Syn. P. IlI1i(7Il[(IT€ var. lnt;]b{ium Miohx. Fl. Bor.-Am. i.
297 (1803); Nm. Gen. 1. 25+ (1818); 'l‘0rr. Fl. No. &
Mid. U.S. 4-00 (1824). P. rmiculare var. ereclum   Meisn.
Monog. ss (1826) et in DC. Prod. xiv. 97 (1856); Torr.
Fl. N.Y.11. 152 (1843); Gray, Man. 388 (1848).
Stems ascending to erect, freely branched on larger plants.
Rich damp loam in sun on stream-bank with Duchesnea
inrlira, I’o/ygnnum nvicu/are, P. caespifosum var. longisetum,
I’/anlago Huge/ii, POII, Leemia and E0/zinoc/zloa, Darby
Creek, 1 mile east northeast of Broomall, Delaware Coun-
ty, P1:NNs\'1.vANIA.
Coll. L.C.WHEE1.1iR (no. 5660). September 22, 1942.

