Index. 



283 



Fucus platycarpus, medulla of, 106. 



mid-rib of, 104, 106, 107. 



oogonia of, 108. 

 ova of, 1 08. 



photosynthesis of, 105. 



sexual reproduction of, 107-112. 



sperms of, 109. 



transport of materials in, 106, 107. 



Funaria hygrometrica. Lecture XVIII., 



I35-M5 (Figs. 26, 27, 28, 29, 30, 



Si)- 



annulus of, 141. - 



antheridia of, 137. 



apex of stem, 136, 137. 



apophysis of, 140, 142. 



archegonia of, 138. 



asexual reproduction of, 136, 143, 



calyptra of, 140. [*44- 



columella of, 140. 



cortex of, 136. 



embryo of, 139. 



germination of spores of, 136. 



leaves of, 136, 137. 



operculum of, 140. 

 ovum of, 138. 



paraphyses of, 137. 

 peristomium of, 141. 



protonema of, 136. 



rhizoids of, 136. 

 seta of, 140. 



sperms of, 138. 



stem of, 136. 



stomata of, 140, 142. 



theca of, 140. 

 vagina of, 140. 



Fundamental tissue of Aspidium, 148, 



149. 

 Pinus, 183. 



Ranunculus, 217. 



- Scilla, 244. 

 Fungi, 97. 



nutrition of, 102. 

 Fusion-nucleus, 234, 248. 



GALAPAGOS Islands, 274. 



Gametangia of thallophytes and arche- 



goniates, 133, 134. 

 Gametes, 39, 40. 



differentiation of, no. 



haploid, 257. 



of Aspidium, 165. 



Chlamydomonas, 39. 

 Fucus, 108, 109. 



Funaria, 138. 



Marchantia, 129, 130. 



Mucor, 94, 95. 



Penicillium, 100. 

 Pinus, 207, 208. 



Polysiphonia, 117. 

 Ranunculus, 234, 235. 



Gametes of Scilla, 247. 



Selaginella, 175, 176. 



Spirogyra, 70, 71, 73. 



Vaucheria, 87, 88. 



j Volvox, 79, 80. 



pure, i.e. do not carry the two deter- 



minants of a pair of allelomorphs, 

 264. 

 Gametophyte, 142. 



aquatic, 133, 164, 178. 



coenocytic, 237, 238, 247. 



haploid, 257. 



male and female, 142, 177. 



of Pinus, 207, 208, 210. 



Ranunculus, 234, 235, 



237- 

 . Scilla, 249. 



parasitic, 208, 210, 211. 



of Aspidium, 164, 165, 166. 



Funaria, 142. 

 Marchantia, 142. 



Polysiphonia (=carposporic plant), 



Selaginella, 175, 177. [119. 



Gaseous interchange, 124, 140, 142, 155, 



172, 181, 184, 217, 222, 241, 242. 

 Gel, 22. 

 Gelatine, example of colloid, 20, 26. 



in colloidal state, 20. 



to damp ciliary motion, 40. 



solidify culture medium, 33, 59. 



Genealogical tree, 272. 



Gentian violet, stain for volvox, 82. 



bacteria, 56. 



Geological record and evolution, 276. 

 Geotropism of Mucor, 93, 94. 

 Germ cells, 81. 

 Germ-plasm in nucleus, in. 



the chromatin, in, 254. 



not influenced by surroundings, 261. 



Ghost-micrometer, 34. 



Glucose formed from starch, 50. 



Gravitational stimulus, 94, 99, 126, 236. 



Green plants build organic from inor- 

 ganic materials, 49. 



supply food and energy to rest of 



living nature, 47, 49, 51. 



Guard-cells, 143, 154, 181, 216, 243. 



Gums, 22. 



Gymnosperms, 215, 237. 



HAPLOID, 257. 



Heat, discontinuous, sterilisation by, 59. 



of combustion, 32, 50. 

 Hereditary material. See Germ-plasm. 

 Heredity, Lecture XXIX., 260-269 



(Figs. 92, 93, 94). 



Heterosporous plants, 178, 211, 213. 

 Heterospory in Pinus, 209, 211. 



Ranunculus, 237. 



Scilla, 249. 



