No. 50.] 149 



Lappa, Tourn . 



$ major, Gc&rt. Arctium lappa, var. L. A. lappa, Willd. Com- 

 mon Burdock. Old fields, &c. July-Sept. 



Cichorium, L. 



§ intybus, L. Chicory, Wild Succory. Fields, &c. August. 



Cynthia, D. Don . 



virginica, Don. Troximon virginicum, Pursh. Dry sandy soils. 

 May-July . 



Krigia, Schreb . 



virginica, Willd. Woods and fields . May-June . 



Lactuca, Town. Lettuce. 



elongata, Muhl. L. canadensis, L.? Thickets and borders of 



woods . July . 

 integrifolia, Big el. Hillsides, &c. July. 



Taraxacum, Hall. 



§ dens-leonis, Desf. Leontodon taraxacum, L. Dandelion . Pas- 

 tures, roadsides, &c. March-November. 



Sonchus, L., Cass. Soiv Thistle. 



§ oleraceus, L. Old fields and cultivated grounds. August-Sept. 

 § palustris, L. New-York. Muhlenberg . 



Hieracium, L. Haiuk-iveed. 



venosum, L. H. Gronovii, L. in part. Dry open wojds, &c. 

 May-June . 



Gronovii, L. in part. ; Michx. (3. Woods and meadows . August- 

 September . 

 Var. marianum. H. marianum, Willd. Woods. August. 



canadensis, Michx. H. virgatum and? fasciculatum, Pursh. H. 

 Kalmii, Torr. co?np., Beck, fyc; not of Linn. 

 Highlands of New-York, and in the western parts 

 of the State. 



paniculatum, L. Dry woods . August . 



Nabalus, Cass . 



altissimus, Hook. N. alatus, Hook. Prenanthes altissima, L. 

 albus, Hook. Prenanthes alba, L. Dry woods, &c . August- 

 September . 



