<table>
  <tr>
    <td>HERBARIUM</td>
  </tr>
  <tr>
    <td>OF</td>
  </tr>
  <tr>
    <td>VALE UNIVERSITY</td>
  </tr>
</table>

Yale University Herbarium

YU.008000

PLANTAE EXSICCATAE GRAYANAE

1201. Equisetum scirpoides MICHX.

Fl. Bor.-Am. ii. 281 (1808); Vaucher, Mon. Prêles, 57
(1822); Gray, Man. 620 (1848); Wood, Class-book, ed.
3, 814 (1861); Milde, Mon. Equiset. 596 (1865); Coult.
Man. Bot. Rocky Mts. 446 (1885); Macoun, Cat. Canad.
Pl. pt. 5, 252 (1890); Britton & Brown, Ill. Fl. i. 89,
fig. 87 (1896); Maxon in Proc. U.S. Nat. Mus. xxiii. 646
(1901) et in Abrams, Ill. Fl. Pac. States, i. 41, fig. 88
(1923); Rydb. Fl. Rocky Mts. 1058 (1918) et Fl. Pr. &
Pl. 20 (1932); Victorin in Contrib. Lab. Bot. Univ. Mon-
tréal, ix. 133 (1927) et in Fl. Laurent. 114 (1935); Louis-
Marie, Fl.-Man. Québec, 60, t. 13, fig. 9 (1931); Broun,
Ind. N. Am. Ferns, 94 (1958).

Syn. *E. hyemale* A *tenellum* Liljebl. Utkast Svensk Fl. ed. 2, 384 (1798). *E. reptans* Wahlenb. Fl. Lapp. 298 (1812). *E. tenellum* (Liljebl.) A. A. Eaton in Fern. Bull. xii. 43 (1904), nomen provis. *Hippochaete scirpoides* (Michx.) Farwell in Mem. N.Y. Bot. Gard. vi. 467 (1916).

Branches from a deep-seated horizontal rhizome.

Forming small detached clumps in dry mixed woods
(*Tsuga, Betula*, etc.), Reading, Windsor County, VERMONT.
Coll. C.A. & UNA F. WEATHERBY.
June 29, 1942.

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