INDEX 



453 



Gametophyte, Solagincllales, 234 



Sphaerocarpales, 1 73 



Sphaerocarpiis, 174 



Sphagnalos, 192 



Sphagnum, 193, 194 



Symphyogyna, 179 

 Gap, 212 



Gasteromycetales, families, 151 

 Gemma, 164, 179, 183, 199 

 Gentianales, 405 

 Geologic eras, 5, 6 

 Geologic periods, later, 6, 310 

 Geologic time, division, 5, 6 

 Geothallus, 173, 174 

 Geraniales, 402 

 Gill, 148, 149 

 Ginkgo, 333. 334 



archegoniuni, 338 



embryo, 339 



leaf blade, 335 



megaspores, 337 



ovulate strobili, 337 



ovule, 337 



staminate strobili, 336 



stem, 335 

 Ginkgoales, 333 



embryo, 339 



female gametophyte, 338 



male gametophyte, 339 



ovulate strobilus, 337 



sporophyte, 334 



staminate strobilus, 336 



summary, 340 

 Girdle, 21 

 Gleba, 151 

 Gleichenia. 276 



sporangium, 287 



stele, 280 

 Gleicheniaceae, 277 

 Glochidium, 310, 303 

 Gloeocapsa, 9 

 Gloeodinium, 18 

 Gloeotrichia, 12 

 Glumales, 407 

 Glycogen, 10 

 Gnetales, 354 



embryo, 360 



female gametophyte, 356 



male gametophyte, 358 



ovulate strobilus, 356 



sporophyte, 354 



staminate strobilus, 355 



summary, 360 

 Gnetiim, 354 



strobili, 357 

 Gonimoblast, 88, 90 

 Gonium, 28 



Gullet, 15 

 Gymnospermae, 301 



geologic distribution, 310 



orders, 31 1 



summary, 409 



H 



Haematochrome, 28 

 Haplostele, 220 

 Haustorium, Albugo, 115 



Erysiphe, 127 



Rhizopus, 118 

 Helminthoslachys, 262, 264-267, 269, 270 

 Helobiales, 406 

 Helvella, 133, 134 

 Helvellales, 133 

 Hemitrichia, 105 

 Hepaticae, orders, 161 



summary, 205 

 Heterocyst, 11, 12 

 Heterogamy, 30 

 Heterospory, 209, 233, 306 

 Heterothallic, 120 

 Heterotrophic, 7, 100 

 Histogen, 364, 365 

 Homologous structures, 414 

 Homospory, 161, 209 

 Homothallic, 120 

 Hormogonium, 11 

 Hornea, 214 

 Horsetails, 250 

 Hydnaceae, 147 

 Hydrodictyon, 34, 36 

 Hydropteridales, families, 292 



summary, 302 



{See also Marsileaceae; Salviniaceae) 

 Hydrurus, 16, 17 

 Hyenia, 248 

 Hyeniales, 247 

 Hymenium, 124 



Agaricaceae, 149 



Auricular iales, 146 



Claviceps, 135 



Gasteromycetales, 151 



Hymenomycetales, 147 



Peziza, 132 



Physcia, 156 



Ploiorightia, 136 



Pyronema, 130 



Taphrina, 124 



Tremellales, 146 



Xylaria, 139 

 Hymenogastraceae, 151 

 Hymenomycetales, families, 147 

 Hymenophyllaceae, 277 

 Hynienophyllum, sporangium, 287 



