450 



PLANT MORPHOLOGY 



Cycas, female cone, 322 



mega.sporophvlls, 325 



microsporopliylls, 323 



vernation, 320 

 Cyrtomium, sporangium, 288 

 Cyst, 15, 16, 57 

 Cystocarp, 88 



Nemalion, 88 



Polysiphonia, 91 



D 



Danaea, 272-274 



Dendroceros, 186, 187, 190 

 Dennstaedtia, stele, 281 

 Dermatogen, 864, 365, 394, 395 

 Dermocarpa, 12 

 Desmids, 48, 49, 50 

 Diachea, 105 

 Dianthus, pistil, 382 

 Diatoms {see Bacillariophyceae) 

 Dicksonia, 277 

 Dicksoniaceae, 277 

 Dicotyledoneae, 362, 399 

 Dictyostele, 211, 283 

 Dictyostelium. 107 

 Diciyota, 72, 73, 74 

 Dictyotales, 72 



summary, 76 

 Didymium, 104 

 Dinobryon, 16, 17 

 Dinodadium, 18 

 Dinoflagellate, 18 

 Dinophyceae, 18 



summary, 93 

 Dinothrix, 18 

 Dioecious, 30 

 Dioon, 319 



archegonium, 327 



male gametophyte, 328 



ovule, 329 

 Docidiuin, 50 

 Dorycordaites, 331 

 Dothideales, 139 

 Draparnaldia, 39, 40 

 Dryopteris, archegonium, 291 



leaflet, 285 



sperm, 290 



E 



Ebenales, 404 



Ectocarpales, 67 

 summary, 68 



Eclocarpus, 67 



Egg, 29 



Anemone, 386 

 Angiopteris, 276 



Egg, Anthoceros, 188 

 Chara, 66 

 Coleorhaete, 43, 44 

 Cutlcria, 71 

 Didyota, 74 

 Dioon, 329 



DryopUris, 291 



Equisetum, 266 



Eiidorind, 30 

 Fritilhiria, 390, 392 

 Fucus, 83 



IsoeU'x, 246 



Laminurid, 77 



Lycopodiutn, 229 



]\Iarchariti(i. 168 



Marnilea. 298 



Mnium, 202 



Monohlephari-s, 111 



Oedoyonium, 47 



Ophioglossiuii. 269 



Pe//m, 181 



PiAiws, 347, 350 



Pore/to, 184 



Saprolegnia, 113 



Sphaerocarpus, 176 



Sphaeroplea, 56 



Sphagnum. 196 



Vaucheria, 58 



Volvox, 31 

 Egregia, 79 

 Elater, 171, 172, 190 

 Elaterophore, 181, 182 

 Embryo, Angiospermae, 394 



Anthoceros, 189 



Botrychiuni. 269 



Capsella, 395 



Coniferales, 349 



Cryptomitrium, 170 



Cycadales, 326 



Equisetales, 256 



Filicales, 290 



Fossomhronin, 182 



Funarid, 203 



Gm^-£/o, 339 



Ginkgoales, 339 



Gnetales, 360 



Hydropteridales, 297, 302 



Isoetales, 247 



Isoetes, 246 



Lycopodiales, 229 



Lycopodium, 227, 230 



^iarattiales, 274 



Marchantiu, 166, 171 



Marsilea, 298 



Megaceros, 189 



Ophioglossales, 269 



Pmws, 351, 353 



