LIST OF PLATES 



PLATS PAGE 



XXIV. Virginia Chain Fern, Woodwardia Virginica, . .157 



XXV. New York Fern, . Aspidium Noveboracense, . 161 



XXVI. Marsh Fern, . . . Aspidium Thefypteris, . . 163 

 XXVII. Spinulose Wood 



Fern, Aspidium spinuhsum, var, 



intermedium, . . . 165 



XXVIII. Boott's Shield Fern, Aspidium Soottii, .... 167 

 XXIX. Crested Shield 



Fern, Aspidium cristatum, . . . 169 



XXX. Clinton's Wood 



Fern, Aspidium cristatum, var. 



Clintonianum, . . . 171 



XXXI. Goldie's Fern, . . Aspidium Goldianum, . . 173 

 XXXII. Evergreen Wood 



Fern, Aspidium marginale, . .175 



XXXIII. Fragrant Shield 



Fern, Aspidium fragrans, . , -179 



XXXIV. Braun's Holly Fern, Aspidium aculeatum, var. 



Braunii, 183 



XXXV. Broad Beech Fern, Phegopteris hexagonoptera, . 189 



XXXVI. Oak Fern, .... Phegopteris Dryopteris, . . 191 

 XXXVII. Bulblet Bladder 



Fern, Cystopteris bulbifera, . . .195 



XXXVIII. Fragile Bladder 



Fern, Cystopteris fragilis, . . . 197 



XXXIX. Rusty Woodsia, . . Woodsia Ilvensis, . . . 199 

 XL. Blunt-lobed Wood- 

 sia Woodsia obtusa, .... 201 



XLI. Northern Woodsia, JVoodsia hyperborea, . . . 205 



XLII. Smooth Woodsia, . Woodsia glabella, . . . 207 



xU 



