38 Catalogue of Plants 



Poa Eragrostis, Linn. § 



refracta, Muhl. 



viridis, Ell. (77.) 

 Setaria viridis, Beauv. 



Italica, Beauv. § ? 

 Rottbcellia rugosa, Nutt. (78.) 

 Spartina glabra, Muhl ? 



polystachia, Muhl. 

 Stipa avenacea, Walt. 

 Tridens seslerioides, Rcem. & Schult. 

 Tripsacum dactyloides, Linn. 

 Trisetum palustre, Torr. (79.) 

 Uniola gracilis, Michx. 



paniculata, Linn. 

 Zizania aquatica, Lamb. 



CRYPTOCJAliE. 



Equisetace^e. (80.) 

 Equisetum hyemale, Linn. 



Filices. 

 Aspidium acrostichoides, Swartz. 



marginale, Swartz. 

 Asplenium ebeneum, Ait. 

 Osmunda cinnamomea, Linn. 



regalis, Linn. 

 Polypodium incanum, Swartz. 

 Pteris aquilina, Linn. 

 Woodwardia onocleoides, Willd. 



Virginica, Swartz. 



