124 Geographical Handbook of Ferns. 



Scolopendrium — continued, 

 rooks, W. New England to Wisconsin, and southward, rare or local. 

 — Asa Gray. New York, Vermont, Schuylkill, Kentucky, Pennsyl- 

 vania. ' A remarkable plant, which by means of copious plantlets, 

 produced from the long, slender, proliferous apices of the fronds, 

 traverses a good deal of ground, and is known in the MSS. by the 

 name of the " Walking Leaf." ' Shaded rocks on the mountains of 

 Georgia. Eaton. 

 Aspldlum. 



A. (Polyst.) acrostichoides, Swz. Hab. ; the United States, and 

 along the AUeghanies, and from Florida, in shady and rocky woods, 

 westward to the Mississippi. Eaton. 



A. (Polyst.) Lonchitis, S^Dz. Hab. : Lake Superior, Michigan, 

 east side of the Rocky Mountains. 



A. (Polyst.) aculeatum, Sua. Hab. : United States, apparently 

 rare ; mountains of New Hampshire, Vermont ; probably nowhere 

 south of New York, 



Ifeplirocliuin. 



N. (Lastrea) patens, Desv. Hab. : Florida, low shady woods, to 

 S. Carolina, westward ; New Orleans, Texas. 



N. (Last.) Noveboracense, Desv. Hab. : swamps and thickets ; 

 common in the United States, low grounds; N. Carolina, and 

 northward. Eaton. 



N. (Last.) Thelypteris, Desv. Hab. : United States, swamps and 

 bogs ; Florida, and northward Eaton. 



N. (Last.) Filix-mas, Rich. Hab. : rocky woods, Keweenaw 

 Peninsula, Lake Superior, and westward. 



N. (Last.) Goldieanum, Hook. Hab. : rich and moist woods, 

 from Connecticut to Kentucky, and northwards. Hook. ^ Gr. Ic. 

 Fil. t.\0% 



N. (Last.) marginale, Michx. Hab. : United States, rocky hill- 

 sides in rich woods ; common, especially northward. Eaton. 



N. (Last.)-Floridanum, Hook. Hab.: wet woods, Louisiana and 

 Florida. Hooh. FU. Exot. t. 99. $. 



N. (Last.) cristatum, Michx. Hab. : United States, swamps ; 

 common. 



N. (Last.) fragraus. Rich. Hab. : shaded trap-rocks, Falls of the 

 St. Croix, Wisconsin, Lake Superior. 



N. (Last.) spinulosum, Desv. Hab. : shady woods in the upper 

 districts of North Carolina, Teuessee and northward. — Eaton. (Var. 

 dilatatum, Gray or Swz.} Summits of the Black Mountains, North 

 Carolina. Eaton. 



Ifeplirolepis. 



N. exaltata, Schott, Hab. : South Florida. Eaton. 



Polypodlum. 



P. (Pheg.) Phegopteris, X. (P. polypodioide3,i^i^e.). Hab.: United 

 States ; damp woods, common northward. 



P. (Pheg.^ hexagonopterum, Michx. Hab. : shady woods, Flo- 

 rida to Mississippi, westward and northward. Eaton. 



P. (Pheg.) Dryopteris, L. Hab. : Northern United States, rocky 

 woods. 



