50 



[Senate 



Eupatorium hyssopifolium, Linn. 



— album, Linn. 



— leucolepis, T. 8f Gr. 



— resinosum, Torr. 



— teucri folium, Willd. 



— rotundifolium, Linn. 

 sessilifolium, Linn. 



— perfoliatum, Linn. 



— ageratoides, Linn. f. 



— aromaticum, Linn. 

 Mikania scandens, Willd. 

 Nardosmia palmata, Hook. 

 Tussilago farfara, Linn. 

 Sericocarpus conyzoides, Nees. 



— solidagineus, Nees. 

 Aster corymbosus, Ait. 



— macrophyllus, Linn. 



— radula, Ait. 



— spectabilis, Ait. 



— patens, Ait. 



— Isevis, Willd. 



— undulatus, Linn. 



— cordifolius, Linn. 



— sagittifolius, Willd. 



— ericoides, Linn. 



— multiflorus, Ait. 



— dumosus, Linn. 



— tradescanti, Linn. 



— miser, Linn. 



— simplex, Willd. 



— tenuifolius, Linn. 



— greenii, T. fy Gr. 



(a var. of A. carneus, Nees ?) 



— longifolius, Lam. 

 (laxus, Willd.; elodes, T. & G.) 



— puniceus, Linn. 



— prenanthoides, Muhl. 



— novae-anglias, Linn. 



— concolor, Linn. 



— acuminatus, Michx. 



— ptarmicoides, T. 4* Gr. 



— flexuosus, Nutt. 



— linifolius, Linn. 

 Diplopappus linariifolius, Hook. 



Diplopappus comifolius, Darlingt, 



— umbellatus, T. Sr Gr. 

 Erigeron canadense, Linn. 



— bellidi folium, Muhl. 



— pbiladelphicum, Linn, 



— armuum, Pers. 



— strigosum, Muhl. 

 Solidago squarrosa, Muhl. 



— bicolor, Linn. 



— latifolia, Linn. 



— eagsia, Linn. 



— stricta, Ait. 



— yirga-aurea, Linn. 



* — thyrsoidea, E. Meyer. 



— rigida, Linn. 



— ohioensis, Riddcll. 



— sempervirens, Linn. 



— neglecta, T. Sf Gr. 



— patula, Muhl. 



— arguta, Ait. 



— muhlenbergii, T. fy- Gr 



— ulmifolia, Muhl. 



— odora, Ait. 



— nemoralis, Ait. 



— canadensis, Linn. 



— serotina, Ait. 



— gigantea, Ait. 



— lanceolata, Linn. 



— tenuifolia, Pursh. 

 Chrysopsis falcala, Ell. 



— mariana, Nutt. 

 Baccharis balimifolia, Linru 

 Pluchea camphorata, DC. 

 Inula helenium, Linn. 

 Polymnia canadensis, Linn. 



— uyedalia, Linn. 

 Silphium trifoliatum, Linn* 

 Iva frutescens, Linn. 

 Ambrosia trifida, Linn. 



— artemisieefolia, Linn. 

 Xanthium strumarium, Linn. 



— echinatum, Murr. 



— spinosum, Linn. 

 Heliopsis laevis, Pers. 



