United States, to the Rocky Mountains, etc. 123 



Pterii — continued. 



Pt. aquilina, X. Hab. : Kentucky, New Jersey, New Orleans, 

 St. Louis ; Missouri, common everywhere. Var. caudata occurs in 

 South Florida, and along the Gulf coast. Batmi. 

 Blecbnum. 



B. serrulatum, Rich. Hab. : River Aisa-hatcha, Florida ; the 

 only known locality on the North American Continent. 

 Woodwardla. 



W. Virginica, Smith. Hab. : wet swamps, Vermont, New York; 

 Maine to Virginia and southwards ; shallow fords, Florida to Missis- 

 sippi. Eaton. $. 



W. areolata, Moore ("W. angustifolia, SmitK). Hab.: bogs 

 and shady banks, Massachussetts, near the coast to Virginia, and 

 southward to Florida : apparently most abundant in the Southern 

 States. $. 



Asplenium. 



A. pinnatifidum, Nutt. Hab. : Pennsylvania, southward to Ala- 

 bama, rare; cliffs on the Schuylkill and "Wissahickon, near Phi- 

 ladelphia, amd southward along the Alleghanies ; also sparingly 

 westward. Eaton, in Asa Gray Manl. : Hook. Cent. Ferns, 

 t.27. $. 



A. dentatum, L. Hab. : Carolina, Florida. Eaton. 



A. Trichomanes, L. Hab. : United States to Pennsylvania. (A. 

 melanocaulon, Willd.} rocks along the Alleghanies, and north- 

 ward. Eaton. 



A. ebeneum, Ait, Hab. : rocky open woods, rather common 

 throughout the United States to the extreme south; some spe- 

 cimens from New Orleans, 2 feet 4 inches long; Florida, Ozark 

 Mountains west of Mississippi. J. H. Medfield. 



A. angustifolium, Mich. Hab. : United States, rich woods ; W. 

 New England to Michigan, Kentucky, along the mountains. Asa 

 Gray. 



A. ruta-muraria, L. Hab. : limestone cliffs, Vermont to Michi- 

 gan, Virginia, and southward along the mountains ; scarce. Eaton, 

 in Asa Gray Manl. 



A. montanum, WUld. Hab. : cliffs in the Alleghanies, Penn- 

 sylvania to Virginia, mountains of Carolina and Georgia and Ala- 

 bama. Eaton. 



A. rhizophyllum, Kunze. Hab. : shady limestone cliffs. Middle 

 Florida ; on the walls of a limestone cave at Scharlock's Spring, 

 Jackson County, Florida. Eaton. 



A. (Athyr.) thelypteroides, Michx. Hab. : rich woods, not rare ; 

 in the Middle United States and in the upper parts of Georgia. 

 Eaton. 



A. (Athyr.) Filix-fcemina, Bernh. Hab. : moist woods, common, 

 and very variable throughout the United States ; low shady woods 

 in Florida to the Mississippi, and northward. Eaton. 



Scolopendrlnm. 



S. vulgare, Sm. Hab. : shaded ravines, and imder limestone 

 cliffs, Chittenango Falls, and near Jamesville, &c., Onondaga Co., 

 New York. 



S. (Campt.) rhizophyllum, Hook. Hab, : shaded calcareous 



