capilare, Linn. 



autumnaie, Bosc. 



virgatum, Linn. 



latifolium, Linn. 



clandestinum, Linn. 



xanthophysum, Gray. 



pauciflorum, Gray. (Ell.?) 



dich.itomum, Linn, 



depauperatum, Muhl. 



Cms galli, Linn. 



var. hispidum, Gray. 

 Setaria glauca, Beauv. 



viridis, Beauv. 



Italica, Kunth. 

 Cenchrus tnbuloides, Linn. 

 Andropogor iurcatus. Muhl. 



scoparius, Michx. 

 Sorghum nutans, Gray. 



EQUISETACE^:. 

 Equisetum Telmateia, Ehrh. 



arvense, Linn. 



pracense, Ehrh. 



silvaticum,Linn. 



palustre, Linn. 



limosum. Linn. 



laevigatum, Biaun. 



hyemale, Linn. 



variegatum, Schleicher. 



scirpoides, Michx. 



FJLICES. 



l\>!y podium vulgare, Linn. 



incanum, S\v Tlz. 

 Adiantum pedatum, Linn. 

 Pteris aquilina, Linn. 

 Cheilanthes lanuginosa, Nutt. 

 Pellaea gracilis, Hook. 



atropurpurea, Link. 

 A^plenium Trichomanes, Linn. 



angustifolium, Michx. 



thelypteroides, Michx. 



Filix-foemina, R. Brown. 

 Camptosorus rhizophyllus, Link. 

 Phegopteris polypodioides, Fee. 



hexagonoptera, Fee. 



Dryopteris, Fee. 

 Aspidium Thelypteris, Swartz. 



Noveboracense, Swartz. 



fragrans, Swartz. 



spinulosum, Swartz. 



var. intermedium, Gray, 

 var. dilatatum, Gray. 



cristatum, Swartz. 



Goldianum, Hook, 



