412 



INDEX 



Adoxa moschatellina, epidermis, 95, 



96 (fig.). 

 Adsorption, 56. 

 Advantage of, heterospory, 321 ; 



oogamy, 223 ; seed-habit, 332, 



333. 

 Adventitious roots of. Ferns, 290, 

 303 ; Horsetails (Eqidsetum), 

 311; Lvcopodium, 315; Ly- 

 ginopleris, 328 ; Sclaginelia, 



317- 

 .flicidiospores, 247. 

 iEcidium, 246 (fig.), 247. 

 JEgopodium podagraria, petiole, 



113 (fig.). 

 Aerating system, 26, 88, 96, 107, 



108 (fig.), 109 (fig.), no, 139, 



170 ; of aquatics, 175, 176, 



177 ; of Lichens, 259 ; of 

 marsh-plants, 174, 175 (fig.), 



178 ; of Moss-sporogonium, 

 284 ; of secondary wood, 124. 



Aerenchyma, 174, 175 (fig.). 

 Aerial roots, structure of, 73, 74, 



75 (fig.)- 

 Aerobic Bacteria, 263, 266. 

 Mscuhis, 52, 59 (fig.) ; hairs of, 



102 ; stem-structure of, 120, 



121 (fig.), 123 (fig.), 127. 

 Afiinity between species, genera, 



etc., 393- 

 African rubber (Landolphia), 157. 

 Agar-agar, source of, 204 ; use of, 



264. 

 Agaricus, 245 ; A. campesiris, 248, 



249 (fig). 

 Age and geographical distribution, 



393- 



Agrostemma, no, 370. 

 Air-bladders (of Alga?), 201 (fig.), 



204 (fig.). 

 Air-bubbles, appearance of, under 



microscope, 400. 

 Air-canals of, aquatics, 174 (fig.), 



175. ^7*^ i bog-plants, 178 ; 



Horsetails (Eq\tisetum), 311. 

 Air-spaces. See Intercellular spaces. 

 Albumen, 11, 231. 

 Albuminoid cells (of Conifers), 341 



(fig.). 344 (fig.)- 



Albuminous seeds, 150, 351, 371. 



Alehemilla, 372. 



Alcohol, and protoplasmic move- 

 ment, 4 ; use of, in determining 

 width of stomatal aperture, 

 99, 100. 



Alcoholic fermentation, 53, 255, 

 256, 257. 



I Alder (Alnus), 60 ; cut-leaved, 

 I 382; root-nodules of, 268; 



vessels of, 28, 35 (fig.). 



Aleurone grains, 51 (fig.). 



Aleurone layer (of Grasses), 52 (fig.). 



AlgEe, 7, 13, 39, 181-229 (figs.), 231, 

 236, 355 ; of Lichens, 257, 

 259, 260 (fig.). 



Algae, chloroplasts of, 181, 207-10 

 (figs.) ; classification of, 198, 

 199,406; economic importance 

 of, 203, 204 ; sexual repro- 

 duction of, 184-6 (fig.), 213, 

 214 (fig.), 220-28 (figs.) ; struc- 

 ture of, 180-207 (figs). ; vege- 

 tative reproduction of, 212, 

 212- 



14 

 fruit of, 



155. 255 : 



2i5 ; zoospores of 

 (figs.), 216-19 (figs.). 

 Alistna plaiitago, 100, 146 



371 (fig.)- 

 Alkaloids, 60, 61, 62, 64 



reactions of, 5i. 

 Allelomorphs, 384, 385, 390. 

 Allium cepa, 97 (fig.), 359 (fig.). 

 Almond, Bitter [Prujiiis amvgdahis] 



48. 

 Alnus, 28, 35 (fig.), 60, 268. 

 Alpine plants, 63, 170, 379 (fig.), 



394- 

 Alternation of generations, 288, 



304. 305, 373- 



Althcea, epidermis of, 95 ; pollen of, 

 362 (fig.). 



Amanita muscaria, 255; A. phaU 

 loides, 255. 



Amanitopsis vaginaia, Plate II. 



Amides, 50. 



Amino-acids, 52, 53. 



Amitosis, 21. 



Ammonia, conversion to nitrates, 

 266. 



Ammoniated copper oxide, 401 ; 

 and callose, 82 ; and cellulose, 

 32 ; and cork, 137 ; and 

 cuticle, 92 ; and lignified walls, 

 32. 



Amj'gdalin, 48. 



AnabcBna, 206 (fig.). 



Anaerobic Bacteria, 263, 267 ; — 

 respiration, 257. 



Anaesthetics, 61 ; and motile lower 

 organisms, 183 ; and proto- 

 plasmic movement, 4. 



Anatomy, and habitat, 15S-79 ; 

 of Alpine plants, 170 ; of 

 Angiosperms, 65-143 (figs.) ; 

 of Ayaucaria, 340; of bog- 

 plants, 17S ; of Coniferales, 



