No. 50.] 147 
Bivens, L. Bur Marigold. 
connata, L. Swamps and low grounds. September. 
frondosa, LZ. Along fences, &c. August-September. 
cernua, Willd. B. petiolata, Nutt.? Swamps. August—Sept. 
chrysanthemoides, Michx. Low grounds. August-September. 
Beckii, Torr. Lakes and ponds near Schenectady, Dr. Beck. 
‘ Western part of New-York, Dr. Azkin and Dr. 
Gray. 
bipinnata, L. Spanish Needles. Fields and rocky hills. August 
September. 
Hetenivm, L. 
autumnale, L. Swamps. August-September. 
Marvta, Cass. . 
§ cotula, Cass. Anthemis cotula, L. May-weed, Stinking Cha- 
momile. Road sides, &c. June—September. 
Acuituga, L. Yarrow, Milfoil. 
§ millefolium, Z. Fields, pastures, &c. June-August. 
LeucaNTHEMUM, Tourn. 
§ vulgare, Lam. Chrysanthemum leucanthemum, L. Oz-eye 
Daisy. Pastures, &c. June-August. 
Artemisia, L. Wormwood. 
§ vulgaris, L. Mugwort. Fields and road sides. September. 
canadensis, L. Wild Wormwaod. Sandy shores of Lake Erie. 
July-August. Dr. Beck. : 
caudata, Michx. Sandy seacoast of Long Island. September. 
Tanacettm, L. Tansey. 
§ vulgare, L. Common Tansey. Road sides, &c. July—Aug. 
Gnaruauium, L., D. Don.  Cudweed. 
decutrens, Ives. Fields and borders of woods. August. 
polycephalum, Miche. Infe Everlasting, Balsam. Old fields, 
&c. August-September. 
uliginosum, L. Low grounds. July-August. 
purpureum, LZ. Dry open woods. July. G. sylvaticum, Pursh. 
(not of Innn.), G. americanum, Pursh. (not of 
Mill.), and G. pennsylvanicum, Walld. seem not 
to be distinct from this species. 
