Ahms crzspa (Ait.) Pursh.—-Green or Mountain Alder. mama (L.) Moench.—Speckled: or Hoary Alder.

FAGACEAE

Fagus grandifolz'a Ehr11-—-American Beech.

Querous *alba L.—White Oak. (B. Hurst). rubra L.—-Red Oak.

URTICACEAE

Ulmus americana L.——VVhite Elm. Humulus Lupulus L.—~C0mmon Hop.

Urtica gracili: Ait.—Slender Nettle. *urens L.——Small Nettle.

SANTALACEAE Comana’ra umbellata (L.) Nutt.—Bastard Toadflax. (Mcsservy).

LORANTHACEAE

Arcevzrlrthobium pusilllum Peck—«Dwarf Mistletoe. (Groh).

(A dwarf parasite, sometimes causing “\IVitches’ brooms” on Spruce and Larch.)

POLYGONACFAE

Rumex Britannica L.—‘Great Water Dock. (R. R_ Hurst). *crispus L.-—Curled or Yellow Dock.

*elongatus Guss.——LonIg—grained Dock. (B. Hurst)- *obtusifolius L.-——Bitter Dock.

*Acetosella L.-——Sheep Sorrel.

Polygonum aviculare L.~—Knotgrass, Goosegrass. erectum L.——Erect Knotwoo‘d. (Groh), lapathifolium L.——D0ck-leaved, or Pale Persicaria. amphibium L.—Water Persicaria.

’ Hydropiper LwSmartweed, Water Pepper.

acre L.—~VVa.ter Smartweed.

*Persicaria L.—Lady’s Thumb.

'zrirginricmum L.—Virginia Knotweed.

arifolium L.—Halbert-leaved Tear—thumb.

sagitta-tum L.—Arrow-leaved Tear—thumb.

*Convolvulus L.——Black Bindweed. ‘

cilinodp Michx.-—Frin-ged Black Bindweed. (Messervy). Rayi Bab.——Ray’s Knotweed- (J. K. Small).

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