LIST OF PLATES 



PLATE 



XXIV. VIRGINIA CHAIN FERN, 



XXV. NEW YORK FERN, . 



XXVI. MARSH FERN, . . . 



XXVII. SPINULOSE WOOD 



FERN, 



XXVIII. BOOTT'S SHIELD FERN, 

 XXIX. C RESTED S H IELD 



FERN, 



XXX. CLINTON'S WOOD 

 FERN, 



XXXI. GOLDIE'S FERN, . . 



XXXII. EVERGREEN WOOD 



FERN 



XXXIII. FRAGRANT SHIELD 



FERN, . . . * . 



XXXIV. BRAUN'S HOLLY FERN, 



XXXV. BROAD BEECH FERN, 

 XXXVI. OAK FERN, .... 

 XXXVII. BULBLET BLADDER 

 FERN, . . . .' . 

 XXXVIII. FRAGILE BLADDER 

 FERN, ..... 

 XXXIX. RUSTY WOODSIA, . . 

 XL. BLUNT-LOBED WOOD- 

 SIA, . . . . . '. . 

 XLI. NORTHERN WOODSIA, 

 XLII. SMOOTH WOODSIA, 



PAGE 



Woodivardia Virginica, . .157 

 Aspidium Noveboracense, . 161 

 Aspidium Thelypteris, . . 163 



Aspidium spinulosum, var. 



intermedium, . . . .165 

 Aspidium Boottii, . . . .167 



Aspidium cristatum, 



. 169 



Aspidium cristatum, var. 



Clintonianum, . . -171 

 Aspidium Goldianum, . .173 



Aspidium marginale, 



175 

 179 



Aspidium fragrans, . 

 Aspidium aculeatum, var. 



Braunii, 183 



Phegopteris hexagonoptera, . 189 

 Phegopteris Dryopteris, . .191 



Cystopteris bulbifera, . . .195 



Cystopteris fragilis, . . .197 

 Woodsia Ilvensis, . . . .199 



Woodsia obtusa, . . . .201 

 Woodsia hyperborea, . . .205 

 Woodsia glabeila, . . 207 



xii 



