LIST OF ILLUSTRATIONS. 



IX 



PAGE. 



THE MARGINAL SHIELD FERN. Aspidium marginale. Plate IV. facing 134 



SORI. Enlarged. ..... J 3S 



FRUITING PINN/E. .-... J 35 



SORI. *35 



THE HOME OF THE WOOD FERNS. facing 136 



THE MALE FERN. * 37 



A FRUITING PINNA. J 3 8 



GOLDIE'S SHIELD FERN. Aspidium Goldieanum. . . . Jacing 138 



ASPIDIUM CRIST ATUM. Middle pinnae. ...... 140 



CRESTED FERN, Aspidium crtstatum. ..... facing 140 



ASPIDIUM CRIST ATUM CLINTONIANUM. Middle pinna. ... 141 



ASPIDIUM BOOTTII. X 4 2 



ASPIDIUM CRIST ATUM CLINTONIANUM. ... facing 142 



ASPIDIUM BOOTTII. Lowest pinna 143 



SPINULOSE SHIELD FERN. Aspidium spinulosum intermedium. . . 144 



CRESTED FERN. Aspidium cristatum. Sterile frond. . . facing 144 



A PINNULE. Much enlarged. ........ 145 



ASPIDIUM SPINULOSUM DILAT ATUM. Lowest pinna. ... 146 



FRAGRANT FERN. Aspidium fragrant. 147 



A FRUITING PINNA. ' *4 8 



FRAGRANT FERN. Aspidium fragrans. .... facing 148 



FROND OF MAIDENHAIR SPLEENWORT. ..... 15? 



GREEN SPLEENWORT. Asplenium viride 158 



FROND OF GREEN SPLEENWORT. ...... i5 8 



SMALL SPLEENWORT. Asplenium parvulum. . . . . facing 160 



EBONY SPLEENWORT. Asplenium ebeneum. .... facing 162 



A FRUITING PINNA. 161 



EBONY SPLEENWORT. Fertile frond. ...... 161 



THE WALL RUE. Asplenium ruta-mur aria. Three forms of fronds. . 163 



MOUNTAIN SPLEENWORT Asplemum montanum. ... . 164 



FERTILE FROND OF MOUNTAIN SPLEENWORT. .... 165 



ASPLENIUM BRADLEYI. . . . . facing 166 



FRUITING PINN/C OF ASPLENIUM BRADLEYI. 166 



ASPLENIUM PINNATIFIDUM. A fertile frond. . r . . 167 



THE PINNATIFID SPLEENWORT. Asplenium pinnatifidum. Plate V. facing 168 



ASPLENIUM EBENOIDES ^9 



ASPLENIUM FONTANUM *73 



LADY FERN. Athyriumjilix-fasmina. ...... 180 



PINNA OF VARIETY OVATUM. A common form. .... 181 



FRUITING PINNULE. Enlarged. 182 



