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OPHIOGLOSSACEK. 
Botrychium Virginianum, Swartz. (B. Virginicum, Swartz.) 
Moonwort. 
Goat Island and elsewhere. 
Botrychium ternatum, Swartz............... .....- Moonwort 
var. intermedium, D.C. Eaton. (B. lunarioides, D. C. Eaton.) 
Near Clifton, Ontario. 
Ophioglossum vulgatum, L................ Adder’s Tongue 
Occurs on Grand Island, and may, therefore, be confidently looked 
for in favorable situations near the Falls. 
FILICES. 
Onoclea Struthiopteris, Hoffm. (Struthiopteris Germanica, Willd.) 
Ostrich Fern. 
Goat Island and elsewhere. 
Onoclea sensibilis, L.....................00.. Sensitive Fern 
Goat Island and elsewhere. 
Osmunda regalis, L................. cee ce ees Royal Fern 
Goat Island. Not common. Near Clifton, Ontario. 
Osmunda Claytoniana, L................. Interrupted Fern 
Near Clifton, Ontario. 
Osmunda cinnamomea, L.................. Cinnamon Fern 
Near Clifton, Ontario. 
Cystopteris fragilis, Swartz. 
Between Lewiston and Youngstown. Near De Vaux College. 
Cystopteris bulbifera, Bern................... Bladder Fern 
Goat Island and along the American stair-case. Near the Whirl- 
pool, Ontario. | 
Aspidium Noveboracense, Swartz..... .....New York Fern 
Goat Island. | | 
Aspidium Thelypteris, L......... cee cece ee es Shield Fern 
Goat Island. 
Aspidium spinulosum, Swartz....... ......... Shield Fern 
var. intermedium, D. C. Eaton. 
Near Clifton, Ontario. 
Aspidium cristatum, Swartz.................... Shield Fern 
Foster’s Flat, Ontario. | 
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