6 
A. rhomboidea, Persoon. w. May. 2¢. 6B—12 in. Wet. 
A. lyraefolia, Raf. w. June. 2. 1—2 ft. Woods. 
Aras hispida, Mich. w. J te b. 1—2 fi. Dry swamps and 
rocky situations. 
A. racemosa, Willd. Spikenard. w. June. 2. 3—4 ft. Woods 
and banks of ravines. 
A. nudicaulis, Willd. Wild Sarsaparilla. g-w. May. 2f. 18—24 
in. ‘The roots of this and of the preceding species, are stomach- 
ic, diaphoretic, and deobstruent. . 
Arsutus uva-ursi, Willd. Bearberry. w-r. 5b. Ap. May. Rocky 
bluff on Van Schaick’s Island, Mohawk river side. Diuretic, as- 
tringent, and tonic. 
Arctium lappa, Linn. Burdock. 7. Aug. 2f. Root and seeds diu- 
retic and diaphoretic. 
Arenaria serpyllifolia, Linn. w. May—July. 3&. 3—8 in. Sandy 
fields and hills. | 
A. stricta, Mich. w. May. June. 2. 6—12 in. Sandy and rocky 
hills. 
A. lateriflora, Linn. w. June. 2. 6—10 in. Meadows. 
Aretuusa bulbosa ? Linn. Arethusa. r. June. 2. 6—12 in. Sphag- 
nous swamps and wet woods. 
ARrisTIDA dichotoma, Mich. July—Sept. 3. 2f. 8—18 in. Gravel- 
ly soil, roadsides, &c. 
Aronia arbutifolia, Linn. Choak-berry. w-r. May. 6b. 2—5 ft. 
Swampy grounds. Berries astringent. 
A. Botryapium, Persoon. Shad-bush. w. Ap. May. 8—80 ft. Woods 
and rocky banks of ravines. An individual of this species, 
more than 40 feet in height, grows near the Rensselaer Institute. 
A. melanocarpa, Black Choak-berry. w. May. b. 4—6 ft. Swamps 
and low grounds. 
A. ovalis, Persoon. w. May, June. b. 2—4 ft. Rocky hills and 
banks of ravines. 
Arum Dracontium, Linn. Green Dragon. g. June, July. 2f. 18 in. 
River banks. Acrid. 
A. triphyllum, Linn. Indian Turnip. g. p. May, June. 2f. 12—18 
in. Wet woods and ravines. Root acrid to the taste, and sia- 
Jagogue, when fresh; when recent and dried, stomachic om dia- 
phoretic. 
Asarum Canadense, Linn. Wild Ginger. g-p. May. 2f. Woods. 
Root aromatic, stomachic, and diaphoretic; similar to ginger in 
operation. 
