INDEX 



637 



venation, 326 

 cover-cell, 202 

 Cronisia, 41 



paradoxa, 41 

 Cryptogams, 



vascular, 231 

 Cryptomitrium, 58 



tenerum, 67 

 crystals, 292 

 Cupuliferae, 270 

 cutinization, 565 

 Cyathea, 307 

 Cyatheaceae, 307, 310, 3", 372, 373, 



390, 439, 440, 580, 581, 584, 603 

 antheridium, 391 

 indusium, 392 

 Cyathea medullaris, 391 



microphylla, Fig. 229 

 Cyathodium, 69 

 Cyathophorum, 217 



pennatum, Fig. 117 

 Cycadofilices, 584, 604 

 Cycadoxylon, 585 

 Cycads, 304, 579, 584, 585, 604 



spermatozoids, 604 

 Cycas, 321 

 Cystopteris, bulbifera, 233, 310; 



Fig. 172 



fragilis, 574; Fig. 186 



Danaeeae, 298 



Danaea, 271, 273, 274, 276, 279, 284, 



285, 286, 291, 295, 297, 298, 299, 



300, 303, 560, 582, 602 



alata, 286; Fig. 162, 166, 169, 170 



simplicifolia, 285, 299; Fig. 157 

 Danaeites, 582 

 Danseopsis, 583 

 Darlingtonia, 117 

 Davallia, stricta, 327 

 Dawsonia, 565, 595 

 Dawsonia superba 



stem of, 222; Fig. 120, 122 

 dehiscence 



antheridium, 107, 199, 318 

 antheridium (Marchantiacese), 



53 

 capsule, 74 



sporangium, 257, 270, 297, 344, 



444 



spores, 18 



sporogonium, 65, 143 

 Dendroceros, 13, 120, 141, 145, 153, 

 156, 318, 349, 597 

 antheridia, 146 

 archegonium, 147 

 embryo, 147 

 spores, 148 



structure of thallus, 146 

 Breutelii; Figs. 78, 79 

 cichoraceus, 146 

 crispus, 148 



Javanicus, 123, 146; Fig. 64 

 Dennstaedtineae, 311 

 Devonian, 578, 579, 587, 588, 591 

 diaghragm, 516 

 diarch bundles, 268 

 Diatoms, 128 

 dichotomy, 46, 497 



Anacrogynae, 86, 87 

 leaf, 580 



Marchantiales, 22 

 prothallium, 350, 452 

 Riccia, 27 

 root, 258, 556 

 stem-apex, 521 

 thallus in Anthoceros, 145 

 Dicksonia, 335 



antarctica, 390, 391 

 Dicksonieae, 311 



dicotyledons, 261, 263, 270, 590, 605 

 digestive pouch, 472 

 dimorphic leaves, 580, 581 

 dioecism, 314 



prothallia, 453 

 Diphyscium, 188 

 distribution 



Acrogynae, 119 

 Dracaena, 544, 590 

 Dumortiera, 21, 23, 42, 43, 48, 49, 71 



apical cell, 49 

 irrigua, 48, 49 

 trichocephala, 49 



Elaterese, 75, 85 



elaters, 12, 18, 20, 21. 47, 60, 63, 65, 

 73, in, 122, 138, 141, 155, 166, 443, 



