INDEX 



ABCISS LAYER, 145 



Abies excelsa, 229 



Abies, leaves of, 230 



Abstriction, 436 



Acacia, phyllode of, 134 



Acetabularia, 436 



Achsenium, 216 



Achromatin, 43 



Adhesion, 191 



^Ecidiomycetes, 462 



jficidium, 465 



^Ecidium- spores, germination of, 



467 



Aerial roots, 185 

 AZsculus, leaf-scar of, 144 ; colleters 



of, 146 ; root of, 153 

 Agaricus, 452 



Aggregated inflorescences, 194 

 Air-bubbles, 15 

 Air- cavities, Marchantia, 364 

 Alburnum, 100 

 Aleurone-grains, 223 

 Alkanna root, use of, 66 

 Almond, seed of, 216 

 Aloe, 42 



Amphigastria, 361, 365 

 Amorphous coat of aleurone -grains, 



224 



Anatropous ovule, 205 

 Andro?.cium, 188, &c. 

 Angiosperms, 54 

 Annual rings, of Elm, 98 ; of Pine, 



239 ; of root, 250 

 Annulus of Fern, 310 ; of Moss, 



353 ; of Mushroom, 455 



Anther, 200, 253 



Antheridia, of Fern, 313, 316 ; of 

 Equisetum, 340 ; of Moss, 341, 

 347; of Marchantia, 361, 370 ; of 

 Polysiphonia, 388 ; of Fiicus, 401; 

 of Chara, 415 ; of Coleochcete, 

 420 ; of (Edogonium, 424 ; of 

 Vaucheria, 431 ; of Volvox, 438; 

 of Pythium, 494 ; of Cystopus, 

 496 



Antheridiophore, 369 



Antherozoids, see Spermatozoids 



Anticlinal walls, 80, 82, 302 



Antipodal cells, 206 



Apex, of stem, Sunflower, 79 ; of 

 stem, Hippuris, 111 ; of root, 

 Sunflower, &c., 157 ; of stem, 

 Maize, 166 ; of root, Maize, 183 ; 

 of root, Pine, 251 ; of stem, 

 Selaginella, 269 ; of stem, Lyco- 

 podium, 282 ; of stem, Aspidium, 

 301 ; of stem, Pteris, 303 ; of 

 root, Fern, 305 ; of prothallus, 

 Fern, 313 ; of stem, Equisetum, 

 334 ; of root, Equisetum, 338 ; of 

 stem, of Moss,}344 ; of Marchan- 

 tia, 366 ; of Polysiphonia, 380 ; of 

 Fucus, 399 ; of Chara, 413 



Apophysis, 342 



Apothecium, 470, 473, 477 



Apparatus, 1 



Apple, 25 



Aquatic type of Dicotyledon, 110 ; 

 of Monocotyledon, 171 



Araucaria, leaves of, 230 



