INDEX. 



ADDER'S FERN, 82 



Adder-spit, 28 



Adder's-spear, 97 ; Adder's-spear 



Ointment, 97 

 Adder's-tongue, 94. Plates 103, 



104 

 Adiantum capillus-veneris, 22. Plate 



18 

 Alpine Bladder-fern, 58. Plates 53, 



63 

 Club-moss, 123. Plates 133, 



134 



Lady-fern, 88 



Polypody, 88. Plates 94, 99 



Woodsia, 54. Plate 57 



Alternate-leaved Spleenwort, 34. 



Plate 32 



Alternation of Generations, 2 

 Annual Gymnogram, 90. Plate 



IOI 

 Maidenhair, 90. Plates 96, 



IOI 



Annulus, 3 



Antherid, 4 



Antherozoids, 4 



Apogamy, 9 



Apospory, 9 



Archegone, 4 



"Asparagus-fern," so-called, 1 



Aspidium aculeatum, 63, Plates 60, 

 68 ; angulare, 64, .P/ater 62, 64, 

 72 ; lodatum, 63, /Y0A? 70 ; 

 lonchitis, 61, .P/afcr 56, 58, 66 



Asplenium adiantum-nigrum, 43, 

 ( 1 



38, 40, 46 ; ceterach, 48, 

 42, 48 ; filix-famina, 45, 

 Plates 3, 45, 50; germanicum, 

 34, /%*/<? 32; lanceolatum, 41, 

 Plates 37, 43; marinum, 40, 

 35, 41 ; ruta-muraria, 33, 

 28, 29 ; septentrionale, 35, 



30, 34; trichomanes, 37, 



31, 36; viride, 38, Plates 

 33,39 



BASKET FERN, 68 



Beech Fern, 83. /*//<?* 89, 91, 93 



Black Oak-fern, 43 



Black Spleenwort, 43. Plates 38,. 



40,46 



Bladder-ferns, 56 

 Blunt-topped Horsetail, 109. Plate 



US 



Bog Onion, 94 

 Botrychiitm lunaria, 98, Plate 108 ;. 



matricariafolium, 99 

 Bottle-brush, 107, 112 

 Bracken, 24. Plates 19, 21, 22, 24 

 Brake Fern, 28. Plates 19, 21, 22, 



24 



Brake of the Wall, Si 

 Bristle Fern, 19. Plates 15, 1 6 

 Brittle Bladder-fern, 57. Plates 51, 



61 

 Broad Buckler-fern, 73. Plates i r . 



74 



Brown-back, 50 

 Buck-grass, 121 



