INDEX 



309 



Dehiscence of Sporangium of Male 



Fern, 59 



of Selaginella, 20 



Desmids, 169, 172, 293 

 Dichotomy, 14, 113, 190, 193 

 Didymium difforme, 287 

 Dioecious prothallus of Equisetum, 



113 



Discomycetes, 240 

 Diseases caused by Fungi, 217 

 Dodder. See Cuscuta 

 Dry-rot, 217 

 Dwarf-males of (Edogonium, 154 



Ectocarpus siliculosus, 185-189 

 Elaters of Equisetum, 98 



ofPellia, 121 



Elodea (Part I., 42), 23 

 Embryo of Equisetum, 104 



. of Male Fern, 72 



of Selaginella, 29 

 Embryology, 28 

 Embryo-sac of Picea, 33 

 Endodermis, double, of root of 



Equisetum, 91, 96 



of stem of Equisetum, 85 



of root of Male Fern, 51 



of stem of Male Fern, 47 



of Selaginella, 10 



Endosperm, development of, in 



Cycadese, 34 

 Endospores, 275 

 Endothecium, 142 

 Enzymes, 220 

 Epibasal, 72 

 Epidermis of Equisetum, 89 



of Funaria, 128, 138 



of Male .Fern, 49, 50 



ofPellia, 112 



of Selaginella, 13 



Equisetum arvense, 78-108 



affinities of, 302 



limosum, 85, 99 



maximum, 99 



variegatum, 85 



Erysipke, 236 

 Eye-spot, 162 



FERMENTATION, 273 



Ferments. See, Enzymes 

 Fern, Bracken, 42 



Fern, Filmy, 35, 42, 44, 76 



Male, 87-77 



Ferns, affinities of, 302 



Tree, 38, 42 



Fertilisation, 28, 303 



of Callithamnion, 209 



: of Equisetum, 104 



of Funaria, 136 



of Male Fern, 69 



of (Edogonium, 155 



ofPellia, 119 



of Pelvetia, 198 



of Physcia, 251 



of Pythium, 226 



of Selaginella, 28 



of Sphcerotheca, 237 



of Vaucheria, 180 

 Floridese, 201-212 



affinities of, 295 

 Foot in Equisetum, 105 



in Funaria, 142 

 in Male Fern, 72 



in Pellia, 121 



in Selaginella, 30 



Fossil Equisetaceae, 107 

 Frond of Male Fern, 40 

 Fruit of Ascomycetes, 240 



of Callithamnion, 210 



of Funaria, 137 



ofPellia, 120 



Fucacese, 184-189 



Funaria hygrometrica, 126-145 



Fnngi, 216-271 



affinities of, 293 



GAMETOPHYTE. See Oophyte 

 Germination of aecidiospores, 262 



of ascospores of Physcia, 249 



of Sphcerotheca, 239 



of Bacteria, 275 



of carpospores of Callith- 



amnion, 212 



of conidia, 239 



of Ectocarpus, 186, 188 



of megas^ores of Selaginella,^ 



of microstores of Selaginella,2Q 



of obspore of (Edogonium, 156 



of Pelvetia, 199 



of oospore of Pythium, 227 



Vaucheria, 181 



of spores of Equisetum, 99, 100 



