Museum of the Nonh
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H1211535
PLANTAE EXSICCATAE GRAYANAE
1105. Potamogeton praelongus WULl1`EN
(Det. E. C. Ogden)
In Roem. Arch. iii. 331 (1805); Reichenb. Icon. Fl.
Germ. vii. 1. ss, fig. 59 (181-5); Gray, Man. 456 (1848);
Robbins in VVats0n, Bot. Calif. ii. 197 (1880); Macoun,
Cat. Canad. Pl. pt. 4-, 85 (1888) e.p.; Morong in Mem.
'1`orr. B01. Club, 111. pt. 2, SQ, 1. 39 (1893) et in Britton
& Brown, Ill. Fl. i. 71, fig. 155 (1896); Piper in Contrib.
U.S. Nat. Herb. xi. 98 (1906); Graebn. in Engler, Pilan-
zenreich, iv. Fam. 11, 96, fig. Q2 (1907); N.'I`aylor in N.
Arn. Fl. xvii. Q2 (1909); H8g`StT6Ill in Sv. Vet. Akad.
Handl. lv. no. 5, 250, fig. 116 A-F (1916); Rydb. Fl.
Rocky Mts. 2-1< (1918) et Fl. Pr. Sz Pl. 18 (1932); Jepson,
Man. Calif. 65 (1923); Abrams, Ill. Fl. Pacif. St. i. 88,
fig.18=14(19Q3);Victorin, Fl. Laurent. 693, fig. 227 (1935).
In 3-5 m. of open water, Pleasant Pond, Stetson, Pen-
obscot County , MAINE.
Coll. E.C. & E.B.OGDEN, F.H.STE1NMm'z. June 27, 1939,
University of Alaska Herbarium (ALA)

