13 
Cnicus discolor, Muhl. p. July. ¢. 3—6 ft. 
C. odoratus, Muhl. p. July. ¢. 1—2 ft. Dry situations, 
C. glutinosus, Bigelow. p. Aug. 3. 3—5 ft. 
CocHLEARIA armoracia, Linn. Horse Radish. w. June. 2f. 2 ft. 
Waste grounds. Fresh plant secernent-stimulant and rubefa- 
cient. 
Cotunsonia Canadensis, Linn. Horse Balm. y. Aug. 2{. 2—3 ft. 
Woods. Diuretic and slight tonic. 
Comptonia asplenifolia, Aiton. Sweet Fern. Ap. May. b. 1—38 ft. 
Woods and roadsides. Mild astringent and tonic. 
Contum maculatum, Linn. Poison Hemlock. w. July. 2f. 2—4 ft. 
Roadsides. An active narcotic and deobstruent. Poisonous. 
Convatuaria bifolia, Linn. w. May. 2... 4—6 in. Shady woods. 
C. stellata, Linn. w. May, June. 2/. 1 ft. River banks. 
C. trifolia, Linn. 
C. racemosa, Linn. y-w. May. 2. 18 in.—2 ft. Ravines and 
woods. 
C. borealis, g-y. May, June. 2. 6—8 in. Wet woods. 
C. multiflora, Linn. Solomon’s Seal. g. July. 2. 2—4 ft. Mea- 
dows and river banks. 
C. pubescens, Willd. y-w. May, June. 2¢. 12—18 in. Rocks. 
Convo.vutvus sepium, Linn. Wild Morning-glory. w. June, July. 
2f. Climbing. Islands and margin of the river. 
C. arvensis, Linn. w. June, July. 2f.. Green Island. 
C. spithamaeus, Linn. w. June. 2¢. 9—12 in. Dry fields and hills. 
Coptis trifolia, Salisbury. Gold Thread. w. May. 2f. 2—4 in. 
Swamps. Tonic. 
CoraLLorniza odontorhiza, Nuttall. yp. Aug. Sept. 2f. 4—8 in. 
Woods. Nervine. 
C. multiflora, Nuttall. p. July—Sept. 2. 8—12 in. Woods. 
Cornus Canadensis, Linn, w. May, June. 2f. 6 in. Wet woods. 
Drupe red. 
C. florida, Linn. Dog-wood. w. May. 5. 10—25 ft. Woods. 
Drupe scarlet. 
C. sericea, L’Heritier. w. June. b. 5—10 ft. Banks of streams. 
Drupe blue. 
C. sanguinea, Linn. w. June. 5. 8—12 ft. Low grounds. Drupe 
dark brown. 
C. circinata, L’Heritier. w. June. b. 6—8 ft. Rocky banks of 
ravines. Drupe blue. 
C. alba, Linn. w. June, July. 5. 6—10 ft. Wet situations. Drupe 
white, 
