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mens collected in October last, at the locality above mentioned, 

 showed many forking fronds, and in some instances the rhizoma- 

 tous character of the plant first noted. I believe, with respect to 

 this fern, by Thomas Meehan, though generally the plant grows 

 in tufts, and is so described in books. 



ASPLENIt'M MONTANUM. 

 FIG. i.— Plant one-half natural size. FlG. 2. — Fruiting pinna. 



A. montanum is a genuine American, and its habitat is lim- 

 ited, so far as reported, to the eastern half of the United States, 

 ( Arkansas included ). It seems to have been first discovered by 

 Michaux early in this century in the mountains of Carolina, 

 where, according to Britton & Brown's New Illustrated Flora, 

 it ascends to 4,500 feet above the sea. In the lower Susquehanna 



