35 . 
Ambrosia, Tournefort. Rag-weed, 
bidentata, Michx. 
tridentata, Linn, 
artemisiaefolia, Linn. Hog-wed 
psilostachya, De C. (A. coronopifolia, T. and Gr.) 
Xanthium, Tournefort. Cocklebur. 
strumarium, Linn, 
echinatum, Murr. 
Eclipta, Linnaeus. 
procumbens, Michx. 
Heliopsis, P-rsoon. Ox-eye 
laevis, P^rs. 
Echinacea, Moench. 
purpurea, Moench. 
Echinacea augustifolia, De C. 
Rudb-ckia, Linnaeus. Cone-flower 
laciniata, Linn, 
subtomentosa, Pursh 
triloba, Linn, 
speciosa. Winder 
hirta, Linn 
Lepachys, Rafinesque 
pinnata, Torr. and Gray 
Helianthus , Linnaeus. Sun-flower 
august ifolius, Linn, 
atrorubeus, Linn. 
rigidus, Desf. 
laetiflorus, P=rs. 
occidentalis, Riddell 
