17 
essential oil, which is yielded in abundance by distillation, from 
K. Canadense. 
Eriocauton pellucidum, Mich. Pipe-wort. g. Aug. 2(, 6—12 in. In 
water. Sandlake. 
Ertopnorum vaginatum, Linn. May. 2f. 12 in. Sphagnous swamps. 
E. polystachyon, Linn. Cotton-grass. June, July. 2f. 1—2 ft. 
Swamps. 
E. virginicum, Linn. June, July. 2f. 2—4 ft. Swamps. 
Ei. angustifolium, Roth. June, July. 2f. 12—18 in. Sphagnous 
swamps. 
Ervum tetraspermum, Linn. b-w. May, June. %. 8—12in. Wet 
meadows, 
Eryturonium Americanum, Smith. Adder’s-tongue. y. Ap. May. 
2f. 6—10 in. Moist open woods and meadows. Emetic when 
recent. 
K. albidum, Nutt. b-w. Ap. May. 2f. 6—8 in. Meadow north of 
Albany. Rare. 
Evpatorium sessilifolium, Linn. w. Aug. Sept. 2f. 2—3 ft. Rocky 
ravines. 
E. purpureum, Linn. p. Aug. Sept. 2f. 4—6 ft. Damp grounds. 
Root sold under the name of Queen of the Meadow. Diuretic. 
K. verticillatum, Willd. w-p. Aug. Sept. 2;. 4—6 ft. Moist woods 
and low grounds. 
E. perfoliatum, Linn. Boneset, Thorough-wort. w. Aug. Sept. 2f. 
2—3 ft. Wet meadows and swampy grounds. ‘Tonic, diapho- 
retic; in large doses emetic and aperient. 
E. ageratoides, Linn. w. Aug. Sept. 2¢. 2—3 ft. Woods and rocky 
hills. 
Evruorsia helioscopia, Linn. g. June, July. %. 12—18 in. 
E. hypericifolia, Linn. July—Sept. 3%. 12—18 in. Fields and 
roadsides. ? 
E. maculata, Linn. July—Oct. Dry fields, roadsides, and side- 
walks in the city. 
Facus ferruginea, Aiton. Red Beech. y-w. May. 6. 40—60 ft. 
Woods. 
F. sylvatica, Linn. White Beech. y-w. May. >. 50—100 ft. 
Woods. Bark astringent. 
Fepia radiata, Mich. w. June. %. 10—15 in. Open woods on the 
road from Troy to Albany. 
Festuca nutans, Willd. June. 2{. 3 ft. Woods and hills. 
F. pratensis, Hudson. June, July. 2f. 1—2 ft. Meadows and fields. 
3 
