256 



INDEX. 



Anthoceros, adventitious shoots, 43 ; | 

 apospory, 47. 



Anthurium, adventitious shoots, 107 ; 

 root-shoots, 128. 



Antirrhinum, double leaf, 225. 



Apium, leaf-roots, 77. 



Aplozia, adventitious shoots, 46. 



Apogainy in ferns, 140. 



Apophysis of ovuliferous scale, 194. 



Apospory in mosses, 47 ; in liver- 

 worts, 47 ; in ferns, 140-142. 



J.rabis,leaf-shoots, 132 ; reappearance 

 of bracts, 154. 



Arbor-vitse, juvenile and mature 

 foliage, 176. 



Archegonium, adventive shoot from, 

 140. 



Areca, branching 1 , 111. 



Armillaria mellea, fasciated, 18 ; 



proliferated,, 18. 

 Artichoke, Jerusalem, dichotomy of 



stem, 82. 



Arum, leafy spathe, 153 ; bracteody 



of foliage-leaf, 184. 

 Arum-lily, bracteody of foliage-leaf, I 



184. 



Ascidia of foliage -leaves, 196. 



Ash, simple and trifoliolate leaf, 189 ; 

 spiral phyllotaxis, 218. 



Asparagus, fasciated, 85 ; abbrevia- 

 tion of shoots, 117 ; fused shoots, 

 118. 



Aspidiotus, cause of leaf-shoots, 138. 

 Aspidium, leaf-shoots, 134 ; leaves on 



prothallus, 245. 

 Asplenium, leaf-shoots, 134. 

 Asymmetric leaf, 165-167. 

 Athyrium, leaf -shoots, 134; apospory, 



141. 



Atrichum, enlarged leaf, 48 ; adven- 

 titious rhizoids and protonemata, I 

 51. 



Aulacomnium palustre, branching of 

 stem, 41. 



Auricles of Rosacea?, 170-171, 175. 



Auriculariaceae, ancestors of Agarics 

 and Polypores, 30. 



Australian acacia, bipinnate leaf, 

 168, 174. 



Avens, auricles of leaf, 171. 



Axillary shoot, fasciation of, 95 ; 

 proliferation of, 108-112; sup- 

 pression of, 117-118 ; fusion with 

 main shoot, 119-120; adventi- 

 tious, 126-127, 130. 



Aytonia, archegoniophores, 55. 



Bacterium of " crown gall/' 130, 137. 

 Balsam-poplar, root-shoots, 127. 



Barbarea, ovary-shoots, 138; reap- 

 pearance of bracts, 155. 



Barberry, transition from leaf to 

 thorn, 159. 



Barbula, united leaves, 48 ; leaf- 

 enations, 49 ; adventitious rhi- 

 zoids and protonemata, 51. 



Beech, shoots from cambium, 129. 



Begonia, leaf- cuttings, 77, 136; ad- 

 ventive shoots on stem, 128, 244 ; 

 leaf-shoots, 132; adventive leaves 

 on foliage leaf, 244 ; incised leaf, 

 165. 



Bellis, proliferation, 101 ; phyllody 

 of bracts, 153. 



Berberis, transition from leaf to 

 thorn, 159. 



Bergson on intellect and life, 8 ; on 

 complexity of organism, 9-10. 



Beta, branched root, 66. 



Betula, laciniated leaf, 164. 



Bibliography, general, 12-13 ; non- 

 vascular plants ; fungi, 36-40 ; 

 bryophytes, 61- 65 ; vascular 

 plants : the root, 78-79 ; the stem, 

 97-100, 113-115, 120-121, 126, 

 148-150; the leaf, 178-182, 210- 

 214, 241-243, 245. 



Bifid leaf, 217, 220. 



Bifurcation in fungi, 15 ; of stem, 81, 

 86; of leaf, 168, 216 217, 221 ; of 

 leaflet, 170-172. 



Bindweed, juvenile foliage, 177 ; 

 syncotyly, 215. 



Biota, juvenile foliage of, 176. 



Bipinnate leaf, 168. 



Birch, inverted branches, 124 ; 

 witches' brooms, 129 ; laciniated 

 leaf, 164. 



Bird's foot trefoil, pinnate leaf, 170. 



Bird's-lip flower, union of leaves, 225. 



Blaringhem on fasciation, 92, 93 ; on 

 branching in Maize, 112. 



Blyttia, adventitious buds, 43. 



Boehmeria, bifid leaf, 217. 



Boletus, forked, 17; proliferated, 20. 



Borassus, branched, 111. 



Borbonia, simple leaves, 173. 



Borecole, incised leaf, 164. 



Botrychium, forked rhizome, 85 ; 

 forked frond, 168. 



Bower on apospory, 141. 



Brachythecium, abbreviation of 

 branches, 42 : adventitious rhi- 

 zoids and. protonemata, 51 ; her- 

 maphrodite, 57 ; sterile ? , 58. 



Bracteody, of glands, 60; of foli- 

 age-leaves, 184 ; of scale-leaves, 

 188. 



