INDEX 



LAYER, 84 

 Achromatin, 28 

 Adhesion, in 

 yEcidiomycetes, 231 

 sEcidittm, 232 

 y^Ecidium-spores, germination of, 



234 

 ^scultis, leaf -scar of, 83 ; root of, 



88 



Agaricus, 226 

 Air-bubbles, n 

 Air-cavities, Marchantia, 191 

 Alburnum, 59 

 Alcohol, 5 

 Aleurone-grains, 130 

 Almond, seed of, 130 

 Amphigastria, 191 

 Amorphous coat of aleurone-grains, 



131 



Anatropous ovule, 119 



Andrcecium, 108 



Angiosperms, 34 



Annual rings, of Elm, 57 ; of Pine, 

 139 



Annulus of fern, 173 ; of Mushroom, 

 227 



Anther, 108, 117, 146 



Antheridia of Fern, 1 75 ; of Mo^s, 

 J 79 *83; of Marchantia, 193; 

 of Polysiphonia, 200 ; of Fucus, 

 206; of Chara, 213; of CEdogo- 

 nium, 218 ; of Pythiutn, 243 



Antheridiophore, 193 



Antherozoids, see Spermatozoids 



Antipodal cells, 120 



Apex, of stem, Sunflower, 47 ; of 

 stem, Hippuris, 67 ; of root, 

 Maize, 106 ; of stem, Nephrodium, 

 157, 166; of root, Fern, 169; of 

 prothallus, Fern, 175 ; of Poly si - 

 phonia, 198 ; of Fucus, 205 ; of 

 CAara, 212 



Apophysis, 180, 186 



Apparatus, I 



Arboreous type of Dicotyledon, 52 ; 

 of Monocotyledon, 98 



Archegoniophore, 194 



Archegonium, of Pine, 143 ; of 

 Fern, 175, 176; of Moss, 184; 

 of Marchantia, 195 



Archesporium, 186 



Archicarp, 238 



Arillus, 126 



Ascophyllum, 197 



Ascospores, 239 



Ascus, of Eitrothtnii 239 



Azygospores, 247 



BARK, 59 

 Basidia, 230 

 Basidiomycetes, 226 

 Bast-parenchyma, 56, 61, 137, c. 

 Beet-root, plasmolysis, 21 ; sugar of, 



130 



Begonia, crystals of, 103 

 Bordered pits, 138, 163 

 Bracken, rhizome of, 163 

 Bract, in 



