LIST OF ILLUSTRATIONS. 



PAGE. 



A FORM FROM SUNNY THICKETS. 182 



A WOODLAND FORM. 183 



THE. HAUNTS OF THE LADY FERN. ...... 184 



SILVERY SPLEENWORT. Atkyrium thelypteroides. . . . . 186 



SILVERY SPLEENWORT. Atkyrium thelypteroides. . . facing 186 



FRUITING PINN/E. ......... 188 



NARROW-LEAVED SPLEENWORT. Asplenium angustifolium. Sterile 



frond. facing 188 



PHEGOPTERIS DRYOPTERIS. INITIAL. 195 



THE COMMON POLYPODY. Polypodium vulgare. Plate VI. . facing 196 



COMMON POLYPODY. Polypodium vulgare. ..... 196 



GRAY POLYPODY. 1'olypodium incanum. ..... 198 



BEECH FERN. Phegopttris folypodioides. .... facing 198 



BEECH FERN. Pkegapteris polypodioides. .... facing 200 



BROAD BEECH FERN. Phegopteris hexagonoptera. . . . facing 202 



"THE BROAD BEECH FERN ISA LOVER OF DEEP, SHADY WOOD- 

 LANDS." facing 204 



COMMON BLADDER FERN. Cystopteris fragilis. .... 210 



CYSTOPTERIS FRAGILIS. A rare form of frond. . . . facing 210 



BULBIFEROUS BLADDER FERN. Cystopteris bulbifera. ... 212 



COMMON BLADDER FERN. Cystopteris fragilis. . . . facing 212 



MOUNTAIN BLADDER FERN. Cystopteris montana. . . . facing 214 



COMMON CHAIN FERN. Woodiuardia Virginica. . . . facing 220 



WOODWARDIA VIRGINICA. A fruiting pinna. ..... 220 



NARROW-LEAVED CHAIN FERN. Woodwardia angustifolia. Fertile 



and sterile fronds. ...... facing 222 



THE BULBIFEROUS BLADDER FERN. Cystopteris bulbifera. Plate VII. facing 224 



230 



facing 230 

 231 

 238 

 240 

 241 

 242 

 243 

 244 



. facing 244 

 245 

 .. / .... . 246 



facing 254 



BOULDER FERN. Dicksonia pilosiuscula. 

 BOULDER FERN. Dicksonia pilosiuscula. 



A FRUITING PINNA. 



CHEILANTHES VESTITA. ' 



CHEILANTHESTOMENTOSA. . . . , 



CHEILANTHES LANUGINOSA. . . . , 



CHEILANTHES ALABAMENSIS. . . . . 



YOUNG FRONDS. 



MAIDENHAIR FERN. A diantum pedatum. 

 ' ON MOIST SHADED SLOPES IN LOW WOODS." 

 A FRUITING PINNULE. .... 



VENUS-HAIR FERN. A diantum Cajillus-Veneris. 

 SENSITIVE FERN. Onoclea sensibilis. Young fronds. 



