No. 50.] 149 
Lappa, Tourn. 
§ major, Gert. Arctium lappa, var. L. A. lappa, Willd. Com- 
mon Burdock. Old fields, &c. July—Sept. 
Cicnorium, L. 
§ intybus, L. Chicory, Wild Succory. Fields, &c. August. 
Cyntuia, D. Don. | 
virginica, Don. ‘Troximon virginicum, Pursh. Dry sandy soils. 
May-July. 
Krieta, Schreb. 
virginica, Willd. Woods and fields. May-June. 
Lactuca, Tourn. Lettuce. 
elongata, Muhl. lL. canadensis, L.? Thickets and borders -of 
woods. July. © 
integrifolia, Bigel. Hill sides, &c. July. 
Taraxacum, Hall. 
§ dens-leonis, Desf. Leontodon taraxacum, L. Dandelion. Pas- 
tures, road sides, &c. March—November. 
Soncuvs,. L., Cass. Sow Thistle. 
§ oleraceus, L. Old-fields and cultivated grounds. August-Sept. 
§ palustris, L. New-York. Muhlenberg. 
Hieracium, L. Hawk-weed. 
venosum, LZ. H.Gronovii, L.in part. Dry open woods, &c. 
. May-June. 
Gronovii, L. in part.; Michx. 8. Woods and meadows. August- 
September. 
Var. marianum. H. marianum, Willd. Woods. August. 
canadensis, Miche. H. virgatum and? fasciculatum, Pursh. H. 
Kalmii, Torr. comp., Beck, &c.; not of Linn. 
Highlands of New-York, and in the western parts 
of the State. 
paniculatum, L. Dry woods. August. 
Nasatus, Cass. 
~ altissimus, Hook. N. alatus, Hook. Prenanthes altissima, L. 
albus, Hook. Prenanthes alba, Z. Dry woods, &c. August- 
September. 
