INDEX. 



261 



Gagea, flowers on bulb, 112 ; bulbils, 



161, 162. 

 Gaillardia, syncotyly, 214. 

 Galanthus, proliferation of bulb, 101. 

 Galium, dialysis of stipules, 172. 

 Gametophyte, adventitious growths 



in, 139. 



Ganoderma, proliferated, 20-21. 



Gaudichaud, phy ton- theory, 227. 



Geaster fornicatus, fusion of indi- 

 viduals, 34. 



Gemmae in Bryophytes, 44-47. 



Geophilous habit, 229. 



Germ-plasm, 144, 146. 



Gesnera, petaloid, terminal leaf, 185, 

 223. 



Geum, auricles of leaf, 171. 



Gills, formation of, 33. 



Ginglco, staminody of foliage-leaf, 



186 ; carpellody of ditto, 186. 

 Gland, bracteody of, 160; division 



of, 172. 



Glechoma, horizontal shoot, 123. 



Gleditschia, two axillary thorns, 109 ; 

 forked leaflet and paripinnate leaf, 

 171 ; simplification of foliage, 189. 



Gloxinia, leaf- cuttings, 77, 136. 



Glume of grass, its origin, 203. 



Glycosmis, ascidium, 199. 



Gnetum, leaf-shoots, 138. 



Goebel on organ-categories, 2 ; on 

 abnormalities, • 5, 6, 10, 11 ; 

 on Bryophytes, 43, 51, 53, 56 ; on 

 branching roots, 67 ; on Selagi- 

 nella-cuttings, 75 ; on Corydalis- 

 tuber, 75; on Myriophyllum-voots, 

 76; on leaf -roots, 77 ; on flower-like 

 rhizophores, 107; on direction of 

 growth, 122 ; on adventive stem- 

 shoots, 130 ; on leaf-shoots, 134, 

 136; on sporophyll shoot, 139; on 

 secondary prothalli, 142 ; on homo- 

 phylly in Campanula rotundifolia, 

 156 ; on phyllody of scale-leaves, 

 157 ; on adventitious leaves, 244. 



Goethe on foliar morphology, 151. 



Gongylocarpus, adnation of bract, 209. 



Grasses, fusion of haulms, 119. 



Gravity, 11 ; influence on roots, 73 ; 

 on shoots, 125, 



Grimmia, adventitious gemmae, 46. 



Ground-ivy, horizontal shoot, 123. 



Growth, direction of, 72, 122-125. 



Gymnogramme, leat'-shoots, 134 ; 

 secondary prothalli, 142. 



Harebell, homophylly, 156. 

 Hare's-ear, simple leaves, 173 ; fusion 

 of bracts, 195. 



Harpanthus, male into vegetative 



shoot, 57. 

 Hart's-tongue fern, prothallus-roots, 



77 ; apogamy, 140 ; laciniate leaf, 



164 ; forked leaf, 168. 

 Havvkbit, bracteate scape, 156. 

 Hawthorn, winding shoots, 124 ; 



simplification of Joliage, 190-191. 

 Hazel, laciniate leaf, 164 ; compound 



leaf, 165. 



Hedera, fasciated roots, 68 ; erect 



shoots, 124 ; pitcher on leaf, 197. 

 Helianthus, dichotomy of stem, 82 ; 



syncotyly, 215. 

 Helvella serpentiformis, 16. 

 Hepaiica, phyllody of bracts, 153. 

 Hermaphroditism in Bryophytes, 56 ; 



in Juniperus, 163. 

 Heterophylly, 164 ; in Selaginella, 



177. 



Hibiscus, leaf-roots, 77. 



Holly, thorns, 1 59. 



Hollyhock, ring-fasciation, 90 ; com- 

 pound leaf, 167. 



Homalia, elongation and forking of 

 leaf, 47. 



Homalothecium, hypertrophy of apo- 

 physis, 61. 



Homologous alternation, 144. 



Honey locust tree, simplification of 

 foliage, 189. 



Honeysuckle, laciniate leaf, 1 64 ; 

 forked leaf, 169; forked leaves, 

 217. 



Horehound, double terminal leaf, 

 226. 



Horizontal shoots, 122. 

 Hornbeam, dialysis of bracteoles, 

 173. 



Horse-chestnut, spiral phyllotaxis, 

 232. 



Horse-radish, laciniation of leaf, 163. 



Horse-tail, phyllody of bracts, 154; 

 torsion of stem, 232. 



Hoy a, fusion of roots, 70. 



Hyacinth, inverted bulbs, 124 ; ad- 

 ventive stem-shoots, 130 ; bulb- 

 scale-shoots, 137 ; bulb with " crown 

 gall," 137 ; proliferated bulb, 137. 



Hydnum, superior hymenium, 26. 



Hydrocotyle, simple leaves, 173. 



Hymenium, inverted, 25-32 ; a re- 

 version, 31. 



Hymenophyllacese, axillary shoots, 

 133. 



Hypertrophy in mosses, 61 ; of shoot, 



116, 129; of leaf, 164, 168, 196. 

 Hyphsene, dichotomy of stem, 85. 

 Hypnum, aborted archegonia, 58. 



