39 
tree. Rocks near the Cohoes Falls. Properties similar to those 
of the Pines. 
TrarELta cordifolia, Linn. Mitre-wort. w. May. 2f. 8—10 in. 
Damp shady situations. 
Ti11A glabra, Ventenat. Bass-wood. June. b. Large tree. Woods 
and river banks. Leaves mucilaginous; flowers laxative. 
TRADESCANTIA virginica, Linn. Spider-wort. p. or b. May. 2f. 1 ft. 
Tricnopium laxiflorum, Mich. May, June. 2{. 18 in. Dry fields 
and roadsides. 
T. scabrum, Muhl. Aug. Sept. 2f. 1—2 ft. Dry woods and fields. 
TricHostemMA dichotoma, Linn. Blue Curls. 6. July, Aug. 3%. 6— 
10 in. Dry sandy or gravelly soil. Aromatic, diaphoretic. 
TRIENTALIS Americana, Pursh. w. May, June. 2;. 4—6 in. Ra- 
vines. 
Trirotium repens, Linn. White Clover. 
T. pratense, Linn. Red Clover. 
T. agrarium, Linn. bright y. June, July. 1 ft. Halfa mile east of 
Troy, in a field, near the margin of woods. Rare. 
T. arvense, Linn. Hare’s-foot Clover. July—Sept. 3%. 6—10 in. 
Dry pastures and barren fields. 
Tritium erythrocarpum, Mich. w. & p. May, June. 2£. 6—10 in. 
Shady damp woods, in the vicinity of the ponds 5 miles east of 
Troy. 
T. cernuum, Linn. w. May, June. 2;. 1 ft. Shady woods and low 
meadows. 
T. erectum, Linn. False Wake Robin. p. sometimes w. May. 2f. 
12—15 in. Ravines. 
T. grandiflorum, Salisbury. w. May. 2!. 1 ft. Pittstown, Hoosick. 
Fresh roots of the different species acrid, dried ones astringent. 
Triosteum perfoliatum, Linn. Fever-root. Horse Genseng. p. June. 
2f. 2—3 ft. Woods and shady places. Root cathartic, and, in 
large doses, emetic. 
TripHora pendula, Nutt. pale p. Aug. 2. 4—6in. Shady woods. 
Rare. 
Tussitaco farfara, Linn. Colt’s-foot. y. April. 2f. 3—6 in. Clayey 
hillsides on the east side of the Hudson, between Troy and Al- 
bany. Flowers appear before the leaves. Demulcent. 
Tyna latifolia, Linn. Cat-tail. July. 2f. 4—6 ft. Marshes and 
ponds. 
Uimus Americana, Linn. White Elm. Ap. May. b. Large tree. 
Bark mucilaginous, demulcent. 
