370 



EMBRYOGENESIS IN PLANTS 



Equisetales, 88, 170 



Equisetites, 91 



Equisetum, 13, 21, 29, 81, 88, 90, 91, 104, 



169; Figs. 6, 21; E. arvense, 90, 92; 



Figs. 6, 21; E. debile, 90, 91; Fig. 



21 ; E. hiemale, 90; E. maxiniuni, 



90; Fig. 21; E. pains t re, 90; E. 



variegatum, 91 

 Erigema hidbosa, 262 

 Eriocaulon scptangulare. Fig. 57 

 Ernst, 289 

 Erodium, 242 



Errera, 28, 70, 77, 88, 318, 331 

 Errera'slaw, 81, 230, 318, 331 

 Erythraea centaurium, 287 

 Erythronium americanum, 289 ; Fig. 80 

 Eugenia hookeri, 257; E. jambos, 288 

 Eulophea epidendraea, 289; Fig. 80 

 Euphorbia, 240, 261; E. esula, 261; 



E. exigua, 261; E. presli, 261; E. 



rothiana, 261; Fig. 66; E. splendens, 



261 

 Eusporangiatae, 125 

 eusporangiate construction, 253 

 eusporangiate ferns, 117, 118, 125, 126, 



152, 277, 326 

 Evans, 63, 83, 84 

 evocator, 34 

 evolution, 3, 324 

 excision of embryo, 155, 159, 160, 161, 



163, 302, 303, 305, 312, 313 

 exoscopic, 15, 23, 29, 66, 81, 85, 88, 90, 

 104, 116, 118, 121, 126, 127, 136, 169, 

 328 

 experimental investigations, 159, 294 

 Ewart, 251 



Fagales, 292 



Fagerlind, 258, 291, 292, 299, 313 



Famintzin, 236 



Farmer, 47, 48, 56, 57, 117 



fats, 297, 308 



Fedortshuk, 280 



Fegatella, Fig. 1; 9, 14 



ferns, 185, 253, 277 



filamentous development, 7, 9, 80, 166, 



168 

 Filicales, 185 

 Filicineae, 168 

 Filicopsida, 171 

 Fimbriaria, 68 

 'fine structure' of protoplasm, 52 



Fisk, 261 



Fissidens, 80 



Fitting, 107 



Flemion, 305 



Florin, 188, 189,209, 216 



flowering plants, 223 



foot, 29, 31, 93, 94, 96, 100, 102, 103, 

 110, 112, 114, 117, 123, 124, 130, 132, 

 134, 135, 143, 152, 167, 168, 169, 219, 

 274, 279 



fossil megaspores, 121 



Fossombronia longiseta, 11; Fig. 15 



Fragaria, 248 



de Fraine, 193 



Francke, 286 



free nuclear division, 174, 178, 179, 180, 

 186, 190, 197, 205, 215, 218, 219, 220, 

 229 



Frey Wyssling, 320 



FritiUaria, 224 



Fritsch, 40, 42, 44, 46, 51, 54, 55, 58, 

 60, 325 



Fritschiella tuberosa. Figs, 1,9; 42 



Frullania, Fig. 16; F. dilatata. Fig. 15 



Fucales, 46, 47, 56, 326 



Fucus, 6, 9, 14, 16, 17, 18, 19, 20, 21, 36, 

 40, 44, 47, 48, 49, 50, 51, 52, 54, 55, 

 56, 57, 323, 328, 336; Figs. 2, 3, 4; F. 

 evanescens, 18; F. f meatus, 47, 49, 

 50, 51; F. luxwians, 49 ; F. serratus, 

 21; F. vesiculosus. Figs. 1, 6, 11 

 Fumaria ofpeinalis. Fig. 65; 258 

 Funaria hygrometrica. Figs. 1, 9, 11; 

 78, 80, 323 



Garstang, 334 



Gates, 298 



Gautheret, 16 



Gelidium, 58 



gene, activation of, 12; time of action 



of, 10, 11 

 gene complex, 3 1 6 

 gene-controlled metabolism, 165, 230, 



231,233 

 genes, 10, 116, 122, 123, 168; action of, 



10, 25, 26, 33, 168, 327; control by, 



10, 112, 221, 233, 238; mutation of, 



250 

 genes and development, 68, 70, 71 

 genetical aspects, 226, 228 

 genetical changes, 185, 196, 197, 222, 



266, 268, 282 



