INDEX 



Adder's tongue, 54, 65. 



Adventitious roots, 11. 



Aerial roots, 18, 145. 



Air-chambers, 133. 



Alga, algas, i)3-115 ; blue-green, 

 93, 90 ; brown, 109-112 ; green, 

 103-108; red, 112-113; tables 

 of, 96, 102, 111; classification 

 of, 180. 



Alternation of generations, 13(5, 

 141. 



Amanitas, deadly, 123. 



Angiosperms, 150, 



Annuals, 37, 



Anther, 47. 



Antheridia, 107, 110, 114, 133. 



Antheridial branch, l."5;!. 



Apple Family, 01. 



Apetalous, 50. 



Apetalous flowers, 50, 57. 



Apical bud, 17, 24, 114, 139. 



Apothccia, 129. 



Applied work, on seeds, 0, 7 ; on 

 roots, 10 ; on stems, 22, 24, 25, 

 20, 28, 30 ; on leaves, 42, 43, 

 44 ; on flowers, 49, 53, 54, 50, 

 59, 00, 01, 02, 04, 05, 68, (59, 

 72, 79 ; on fruits, 81 ; on lower 

 plants. 111, 115. 



Arl)()r vitie, 153. 



Arcliegonia, 133. 



Archegonial branch, 133. 



Associations, 83. 



Bacteria, 117, 118, 119. 

 Bacteria and soil, 05. 

 Balsam fir, 153. 

 Bark, 27, 149. 

 Bast, 13i>. 

 Beans, 1, 2. 

 Biemiials, 37. 

 Black mold, 119. 

 Blade, 32, 35, 138. 



Blister, 1, 



Blue-green algse, 95. 



Bracket nuishrooms, 125. 



Bracts, 47, 09. 



liranchlets, 110. 



Bread-making, 110. 



Brown alg*, 109. 



Bud arrangement, 19. 



Budding, 61, 



Buds, 17. 



Bud structure, 17, 18. 



Bulbs, 24. 



Bundle sheath, 139, 



Burs, 90. 



Buttercups, 57. 



Cabinet woods, 28. 



Calyptra, 130. 



Calyx, 52. 



Cap, 122. 



Capsule, 130. 



(^arrot, 07. 



Catkins, 40, 48. 



Cedar, 153. 



Cell-divi.sion, 94, 101. 



Cells, 94, 114. 



Cell-wall, 94. 



Central axis, 11. 



Chara, 113. 



Chlorophyll, 93. 



Chloroplasts, 99, 131. 



Chorii)etalous, 57. 



Christmas trees, 152, 154. 



Cladophora, 104. 



Classification, 104, 



Classification of plants, 150. 



Cleistogamous, 07. 



Climbing stems, 20. 



Club mosses, 145. 



Coal, 142. 



Colony, 97. 



Complete leaf, 32. 



C'omposite Family, 7(), 83, 92, 



169 



