16 



SiLPiiiUM, LiiinaMK. 



laciuiatum, Liiiu. Compass-Plant. 



terebinthinncoiini, Linn. Prairie Dock. 



intpgrifolium, Michx. 



perfoliatum, Linn. Cup-Plant. 

 PAUTiiKXirM, LinnaMis. 



inte^rifolium, Linn. 

 Ambrosia, T^uinefort. Rag- weed. 



tiitlda, Linn. 



artemisije folia, Linn. Hog-weed. 



psilostachya. DO. 

 Xantiiium, Tournefort. Cocklebur. 



strumariuui, Linn. 

 Heliop>is, Persoon. Ox-eye. 



he vis, Pers, 

 Echinacea, Ma^icli. 



aogUbtifjlia. DC. 

 .RuDBKCKiA, Linniuus. Coueflower. 



laciniata, Linn. 



subtonientosa, Pursh. 



hirta, Linn 

 Lepachys, Rafinesque. 



pinuata, Torr. and Gray. 



coluumaris, Torr. and Gray. 

 Heliantiius, Linntuus. Sunflower. 



rigidus, Desf. 



occidentalis, Uiddell. 



giganteus, Linn. 



^losse-serratus, Martens. 



tomeutosus, Michx. 



struniosu^, Linn. 



tracheliifulius, Willd. 



decapetalus, Linn. 

 Coreopsis, Linnaeus. Tick-seed. 



tiichusperraa, Michx. 



palmata, Nutt. 



lanceolata, Linn. 

 BiDKXs, Linnaeus. 



frocd'sa. Linn. Beggar-Ticks. 



connata, Muhl. 



ccrnua, Linn. 



chrysanthemoides, Michx. 



Beckii, Torr. 

 Gaillardia, Fougeroux. 



aristata, Pursh. 

 Helenium, Linnaeus False Sunflower. 



autumnale, Linn. Sneeze-weed. 

 ACTiiLLKA, Linnaius. Mil-foil. 



Millefolium, Linn. 

 AiiTr-MisiA, Linnaeus. Wormwood. 



Canadensis, Michx. 



caudata, Michx. 



Liidoviciana, Nutt. 



dracunculoidfs, Pursh. 



frigida, Willd. 



biennis, Willd. 



Absinthium, Linn. 

 Antenna IMA, Gartner. Everlasting. 



mai^aiiLacea, R. Br. 



plantaginifolia, Hook. 

 Gnaphaliu.m, Linnaeus. 



polycephalum, Michx. 



uliginosum, Linn. 



