United States, to the Rocky Mountains, etc. 121 



Polypodlnm. 



P. (Pheg.) Phegopteria, Z. Hab. : Greenland, Labrador, New- 

 foundland, Canada ; and west to Rocky Mountains, and Russian 

 America. 



P. (Pheg.) hexagonopterum, Michx. Hab. : Canada, Waterloo, 

 Chatham, Sorel, Quebec. McCord. 



P. (Pbeg.) Dryopteris, L. Hab. : Greenland, Labrador to the 

 Rocky Mountains, and to Bear Lake ; Canada, to Hudson's Bay 

 and Sitka. 



P. (Pheg.) alpestre, Hoppe. Hab. : Sitka. 



P. Tulgare, L. Hab. ; Canada, to the Saskatchawau and Slave 

 River. Hook. Fl. lior. Amer. 

 Osmunda. 



O. Olaytoniana, Linn, (0. interrupta, Michx.). Hab. : Canada 

 and Newfoundland. 



O. cinnamomea, £inn. Hab. : Newfoundland and Canada. 



O. regalis, Linn. (0. spectabilis, WiUd.). Hab. : Newfoundland, 

 Labrador, Canada, to the Saskatchawau. 

 Botryctaium. 



B. simplex. Hitch. Hab. : British North America, Canada ; 

 between Cumberland House Fort and Hudson's Bay. 



B. Lunaria, Swz. Hab. ; Greenland, Newfoundland, Canada, to 

 the Saskatchawau and the wet prairies of the Rocky Mountains. 



B. ternatum, Swz. (B. lunarioides, Swz^. Hab. : Canada, rather 

 rare ; Montreal, Sorel, Quebec ; Hudson's Bay territory. 



B. virginiauum, Svx. Hab. : Newfoundland, Canada from Lake 

 Huron, British North America to Saskatchawau. 



2. UNITED STATES, TO THE ROCKY MOUNTAINS. 

 BERMUDA. 



Onoclea. 



0. sensibilis, L. Hab. : meadows and wet places, Florida, to 

 Mississippi and northward. Eaton. 



O. germanica, W. Hab. . White Mountains, New Hampshire ; 

 Pennsylvania. 

 Woodsla. 



W. Ilvensis, JR. Br. Hab. : exposed rocks, common, especially 

 northward ; and southward in the Alleghanies, in crevices of 

 rocks, particularly along the banks of rivers. 



W. obtusa, Hooh. Hab. : rocky banks and cliffs, North Ca- 

 rolina; Tenessee, and northward. — Eaton, (var. W. Oregana, 

 Eaton.) Crevices of rocks, south shore of Lake Superior, Ore- 

 gon and Rocky Mountains. $. 



W. scopulina, Eaton. Hab. : Rocky Mountains. 

 Dicksonla. 



D. punctiloba, Hooh. Hab. : Portland, Maine, White Moun- 

 tains, New Hampshire, moist rather shady places ; very common, 

 pleasantly odorous. This is the only species of Dicksonia inhabit- 

 ing temperate climates. — Torrey. In the upper part of North 

 Carolina, Tenessee, and northward. Eaton. 



