Tanacetum vulgare, Nutt. 



Huronense, Nutt. 

 Artemisia Canadensis, Michx. 



caudata, Michx. 



Ludoviciana, Nutt. var. gnaphalodes, Gray, 



vulgaris, Linn, 

 biennis, Willd. 



Absinthium, Linn, 

 frigida, Willd. 

 Gnaphalium decurrens, Ives. 



polycephalum, Michx. 



uliginosum, Linn. 

 Antennaria margaritacea, R. Brown, 



plan.aginifolia, Hook. 

 Erecthites hieracifolia, Raf. 

 Cacalia suaveolens, Linn. 



reniformis, Muhl. 



atriplicifolia, Linn. 



tuberosa, Nutt. 

 Senecio vulgaris, Linn. 



palustris, Hook. 



aureus, Linn, 

 var. Balsamitae. 



tomentusus, Michx. 

 Cirsium lanceolatum, Scop. 



Pitchen, Torr. & Gray. 



discolor, Spreng. 



altissimum, Spreng. 



Virginianum, Michx. 



muticum, Michx. 



pumilum, Spreng. 



arvense, Scop. 

 Lappa officinalis, Allioni, var. major, Gray. 

 Cichorium Intybus, Linn. 

 Cynthia Virginica, Don. 

 Troximon cuspidatum, Pupsh. 

 Hieracium Canadense, Michx. 



scabrum, Michx. 



longipilum, Torr. 



Gronovii, Linn. 

 Nabalus albus, Hook. 



racemosus, Hook. 



asper, Torr. & Gray. 

 Taraxacum Dens-leonis, Desf. 

 Lactuca Canadensis, Linn. 

 Mulgedium Floridanum, D.C. 



leucophaeum, D.C. 

 Sonchus oleraceus, Linn. 



asper, Vill. 



LOBELIACE^. 



Lobelia cardinalis, Linn, 

 syphilitica, Linn. 



