194 INDEX. 



Aniline, Sulphate of, as a reagent for wood-elements, 71. 



Annular vessels, 69, 71. 



Anomalies, in stem-structure, 53 ; in reproductive cycles, 155. 



Anther, Microspore formation in, 119, 131. 



Antherozooids, of ferns, 142 ; of Fucus, 149 ; of Vaucheria, 151 ; of Cyoas 



and Ginkgo, 132. 

 Antheridium, see Antherozooids. 

 Anthooeros, Sporogonium of, 146. 

 Anticlinal walls, 43. 

 Antipodal ceUs, 125, 153, 154. 

 Apical cell, 144. 

 Apostrophe, 181. 

 Arohegonium, Formation of, 133. 



Arrangement of tissues, 3, 47 ; in vascular region of dicotyledons, 48, 49. 

 Arthrospore, 147. 



Arum, Rise of temperature in spadix of, 187. 

 Ascospore, of fungi, 89, 146 ; Mode of formation of, 101, 146. 

 Asexual generation, 118, 140, 145 ; see also Table of Homologies. 

 Asparagin, see Amido-acids. 

 Assimilating cells, 13, 36, 92. 

 AssimOation, of COj and HoO, 18, 30, 180 ; of N, 18 ; of HON, 170 ; see 



also Photosynthesis f Proteids, Constructive processes. 

 Aster, see Mitosis. 

 Auxospore, 99. ' 



B 



Bacteria, 89, 147 ; Nitrifying, 173, 174 ; Production of heat by, 187; Pro- 

 duction of light by, 187. 



Bambusa, Pith of, 78. 



Bast-fibres, 41, 65. 



Beet-root, Colouring matter in sap of, 168. 



Begonia, Starch-formation in, 17. 



Benzene, as solvent for phyllocyanin, 166. 



Bifacial leaf, 3, 30, 36 ; Ending of bundles in, 174. 



Bridles, Cytoplasmic, 21, 97, 99. 



Bromine, occurrence in plants, 157. 



Bryophyta, Position of, 6 ; Reproduction in, 145, 154 ; Vascular elements 

 in, 77. 



Bud, Structure of, in Abies, 23 j Storage of food in, 176. 



Bundles, Fibrovascular, 50 ; Closed, 52 ; Open, 53. 



Bye-products, of metabolism, 84, 159, 171 ; as aids to osmosis, 173, 190. 



Caloium, as essential food-material, 157 ; Crystals of oxalate of, 84, 159 ; 

 Carbonate of, 85 ; Nitrate of, in assimilation of N, 172 ; Presence of, 

 in aleurone-grains, 176 ; essential to growth of fungi, 157. 



Calcium peotate, Presence of, in middle-lamella, 44. 



CaUus, 62. 



