308 



INDEX 



114, 115, 119, 120, 126, 127, 137, 156, 

 289, 290, 292, Figs. 26, 27, 28. 



Herbarium mould (Eurotium), 92. 



Hermaphrodite flowers, 196. 



Heterocyst, 35. 



Heteroecism, 88, 89, 95. 



Heterosporous Pteridophytes, 136, 

 148, 149, 150, 151, 152, 155, 157, 158, 

 178, 179, 225, 226, 293, Figs. 38, 39. 



Heterospory, 148, 149, 151, 152, 156, 

 226, 292. 



Hickory, 235, 238. 



Holdfast (of Algae), 67, 68, 69, 263, 

 286. 



Homosporous Pteridophytes, 148, 149, 

 151, 153. 



Houey-locust (Gleditschia), 212. 



Honeysuckle (Louicera), 215, 249. 



Hooks (of fruits), 29, 243, 295. 



Hop, 278. 



Hordeum murinum, 243, Fig. 54. 



Horse-tail (see also " Equisetum "), 

 128, 139, 140, 224, Fig. 36. 



Horse-chestnut, 270, Fig. 59. 



Host, 80, 82, 88, 89, 181, 279. 



Hound's-tongue (Cyuoglossuni) , 243, 

 Fig. 54. 



Huckleberry, 214. 



Humming-birds, 208, 247, 249. 



Humus plants, 279. 



Huxley, 3. 



Hyacinth, 190. 



Hydrodictyon (see also " Water- 

 net"), 43, 44, Fig. 7. 



Hydrogen, 2, 8, 19. 



Hydroptericles (see also " Water- 

 fern"), 150, 151, Fig. 39. 



Hygroscopic movements, 283. 



Hymenium, 95. 



Hymenophyllacese (see also " Filmy 

 ferns"), 126, 127. 



Hypha, 87, 97, 181. 



Ice-plant (Mesembryanthemum),275. 

 Indian corn, 269. 



Indian-pipe (Monotropa uniflorci) , 12. 

 205, 279, 288. 



Indian turnip (Arisrema), 185, Fig. 



45. 



Indusium, 135, Fig. 35. 

 Inferior ovary, 189, 190, 191, 193, 



194, 210, 211, 215, 218, Figs. 46, 47, 



51, 53. 



Inflorescence, 185, 193, 215, 216. 

 Infusoria, 8. 

 Inorganic bodies, 2. 

 Insects. 28, 99, 178, 189, 190, 194, 195, 



206, 208, 211, 242, 244, 245, 247, 254, 



294. 

 Insect-fungi (Entomophthoracese) , 



86, 242. 



Insectivorous plants, 205, 257, 258. 

 Integument (of ovule), 164, 165, 169, 



178, 202. 



Internal cell-division, 7, 285. 

 luternode, 61, 62, 140, 141. 

 Iris, I. family, 189, 191, 197, Fig. 46. 

 Irish moss (Chondrus crispus), 71, 



263. 

 Isoetes, 135, 149, 150, 151, 152, 155, 



163, 179, 184; /. echinospora, 150, 



Fig. 39. 



Isocarpa3, 213, 214, 218, 219, Fig. 52. 

 Isosporeae (see " Homosporous Pteri- 

 dophytes "). 

 Ivy (Hedera),211. 



Jamaica, 136, 232. 



Japan, 162, 166, 236. 



Joint-fir (see also " Gnetacese"), 161. 



Juncacese (Rush family) , 189. 



Jungermanniacese, 119. 



K 



Kalmia (see also "Mountain laurel"), 

 253. 



Karyokinesis (indirect nuclear divi- 

 sion), 6, 62, Fig. 3. 



Keel (of papilionaceous flower), 250, 

 252, Fig. 56. 



Kelp, 20, 63, 67, 68, 69, 71, 78, 263, 

 Figs. 17, 18. 



