71 



A. dissitiflorus, Michx. (A. Virginicus, L.) 

 T. A. Greene before 1829. M. L. 0. 



A. macrourus, Michx. 

 Dr. Bobbins, 1829. L. L. D. J. R. Churchill. 



GHRYSOPOGON, Trin. INDIAN GRASS. 

 0. nutans, Benth. (Sorghum nutans, Man.} 



CRTPTOGAMIA. 



EQUISETACE^E. 



EQUISETUM, L. HORSETAIL. 



E. arvense, L. 

 Common. 



FILICES. 



PTERIS, L. 



P. aquilina, L. BRAKE. 



Abundant on the commons. This fern in Nantucket often 

 approaches var. caudata of the Southern States. 



WOODWARDIA, Smith. CHAIN-FERN. 



W. Virginica, Smith. 



Very common in swampy localities. In swamp both sides of 

 road at Bloomingdale ; round Tom Never's Pond ; grows pro- 

 fusely but in a dwarfed condition, in half dry swamp between 

 Bloomingdale and Tom Never's. 



W. angustifolia, Smith. 



Found in many widely different localities. In almost every 



