21 
HeTERANTHERA reniformis, Mich. w-g. July, Aug. 27. 4—8 in. 
Overflowed banks of the Hudson below Albany. 
Hizracium venosum, Linn. Vein-leaf. y.” July, Aug. 2. 1—2 ft. 
Shady and open woods. 
H. Gronovii, Linn. y. July, August. 2(. 2 ft. Dry woods and sha- 
dy pastures. Probably synonomous with the last. 
H. paniculatum, Willd. y. July—Sept. 2. 1—3 ft. Woods. 
H. marianum, Willd. y. July, Aug. 2(. 2 ft. Woods and bushy 
pastures. 
H. Kalmii, Linn. y. Aug. 2¢. 2—3 ft. Rocky woods. 
Hovstonia caerulea, Linn. b. & b-w. April, May. 27. 4—6 in. 
Fields and borders of woods. 
H. longifolia, Willd. w-p. June, July. 2. 4—8in. Dry hill sides 
and open woods. 
Humutvus lupulus, Linn. Hop. g-y. Aug. 2. Twining. Hedges 
and shady river banks. ‘The strobiles and the pulverulent sub- 
stance contained in them, called Lupulin, are tonic, moderately 
narcotic, and diuretic. 
HyprocotyLteE Americana, Linn. g-w. June, July. 2f.. 4—6 in. 
Moist places, in ravines and meadows. 
Hyprorettis purpurea, Mich. p. July, Aug. 2f. Ponds. 
HyproprHyLium virginicum, Linn. w. & b. June. 2f. 12—18 in. 
Shady situations. 
Hyoscyamus niger, Linn. Henbane. y. & p. July. %. or @. 12— 
18 in. Roadsides. An active narcotic. Poisonous. Introduced? 
Hyrericum pyramidatum, Willd. y. July. 2f. 2 ft. Formerly grew 
on an island in the Mohawk, near Troy. 
H. perforatum, Linn. St. John’s wort. y. June—Aug. 2. 1—2 ft. 
Fields and roadsides. Mild tonic. 
H. corymbosum, Willd. y. June. 2. 18—24 in. Shady woods, ra- 
vines, and swamps. 
H. parviflorum, Willd. y. June—Aug. #. 6—12in. Low or over- 
flowed grounds. 
H. virginicum, Linn. y-p. July—Sept. 12—18 in. Sphagnous 
swamps and wet meadows. 
Hyporituys lanuginosa, Nutt. y-w. July. 2. 3—6 in. Roots of 
trees in shady or open woods. 
Hyproxis erecta, Linn. y. June, July. 2f. 4—8 in. Woods and mea- 
dows. 
Hyssopus nepetoides, Linn. g-y. or g-p. July. 2£. 3—6 ft. Woods. 
H. scrophularifolius, Linn. p. July. 2(. 3—5 ft. Shady banks of 
streams. 
