40 
Uimus fulva, Mich. Slippery Elm. May. 5. Middle-sized tree. 
Woods. Bark very mucilaginous, demulcent. 
Urasrermum Claytoni, Nutt. Sweet Cicily. June. 2,. 2 ft. Rich 
soil in woods. Root stomachic. 
U. hirsutum, Big. w. June. 2f. 2 ft. 
Urtica dioica, Linn. Common Nettle. g. July, Aug. 2(. 2—3 ft. 
Roadsides, waste grounds. Stinging. 
U. pumila, Linn. Rich-weed. g. July, Aug. %. 8—12 in. Damp 
grounds, ravines and woods. 
U. urens, Linn. Dwarf Stinger. July. x. 1 ft. Stinging. Intro- 
duced. 
U. Canadensis, Linn. Canadian Nettle. July, Aug. 2f. 3—5 ft. 
Damp shady places on islands, meadows, and river banks. Sting- 
ing. 
Urricutaria vulgaris, Linn. y. June, July. 2. Floating ina marsh 
13 mile northeast of Troy. U. macrorhiza, Le Conte. 
U. gibba, Gronovius. y. July, Aug. 2. 2—8in. Bog on the mar- 
gin of a pond 3 miles east of Albany. 
U. cornuta, Mich. y. July, Aug. 2f. 10in. Bogs around ponds. 
Uvuraria perfoliata, Linn. Bell-wort. pale y. May, June. 2f. 8— 
12 in. Woods, : 
U. grandiflora, Smith. y. May, June. 2(. 10—18 in. Woods. 
U. sessilifolia, Linn. pale y. May, June. 2. 8—12in. Shady 
woods. 
Vaccinium stamineum, Linn. Deer-berry. w. May, June. >. Shrub 
1—2 ft. Dry woods. Berries large, greenish. 
V. resinosum, Aiton. Black Whortle-berry. g-r. May, June. 6. 
Shrub 2—4 ft. Woods and hills. Berries black, sweet. 
V. corymbosum, Linn. High Whortle-berry. Black Bilberry. r-w. 
May, June. b. Shrub 4—8 ft. Berries large, black, somewhat 
acid and sweet. Swamps. 
V. Pennsylvanicum, Lamarck. Blue Whortle-berry. pale r. May, 
June. 6. Shrub 12—18 in. Dry woody hills. Berries blue, 
Z 
sweet. 
VALLISNERIA spiralis var. Americana, Torrey. July, Aug. 2/. 
Hudson river. Pistillate flowers minute, white, on long filiform 
and spiral peduncles, floating on the surface of the water; stami- 
nate ones under water, near the root. 
Veratrum viride, Aiton. Poke-root. American Hellebore. g. June. 
2s. 3—5 ft. Swamps and meadows. Root acrid, narcotic, eme- 
tic, cathartic, diuretic, errhine; externally applied, in the form 
of ointment, for some cutaneous affections. Poisonous. 
