INDEX 



541 



265, 266, 269, 280, 292, 295, 296, 

 297. 298, 300, 415, 460, 461, 511, 

 513, 514, 515, 516; adventive 

 buds, 239 



O. Lusitanicum, 230 

 palmatum, 240 



pedunculosum, embryo, 228 ; gameto- 

 phyte, 222 ; sexual organs, 222. 

 Fig. 108 

 pendulum, 224, 228, 235, 236, 239 ; 

 anatomy of leaf, 233 ; germination, 

 224 ; root, 235, 236 ; sporangio- 

 phore, 233 ; sporangia, 236 ; stem 

 apex, 230 ; vascular iDundles, 232, 

 234. Figs. 109, 112, 114, 115, 

 116, 117, 118, 119, 120, 121 

 vulgatum, 231, 232, 235, 236, 237, 

 239, 293. Fig. 113 



Ophioglossace?e, 218, 221, 222, 259, 

 261, 265, 271, 296, 299, 305, 419, 

 466, 516; symbiosis of, 252 



Oscillaria, 122 



Osmunda, 5, 226, 273, 299, 331, 335, 



338, 340, 353> 355> 356, 358, 359. 

 363, 364, 365, 366, 372, 373, 406, 

 426,427; antheridium, 343; arche- 

 gonium, 345 ; budding of pro- 

 thallium, 342; cotyledon, 349, 350 ; 

 embryo, 348, 351 ; fertilisation, 

 347 ; foot of embryo, 351 ; leaf, 

 353; root, 351, 354; spermato- 

 zoids, 345 

 cinnamomea, 340, 341, 343, 347, 353, 

 354. 355. 512; hairs, 353; root, 

 354; sporophylls, 353. Figs. 170, 

 171, 173. 175. 176, 177, 17S, 182, 

 184 

 Claytoniana, 340, 341, 343, 347, 353, 

 354, 355- Figs- 169, 171, 172, 

 173, 174, 176, 178, 179, iSo, 181 

 regalis, 338, 340, 342, 347, 352, 354; 

 apical growth, 352 ; vascular bundles 

 of stem, 352. Figs. 181, 183 

 Osmundacere, 304, 307, 338, 342, 419, 

 420, 421, 516; germination, 339; 

 prothallium, 341 ; sporangium, 356; 

 spores, 338 

 Ostrich Fern, 308 

 Oxymitra (see Tessalina) 



Pallavicinia, 14, 15, 89, 92, 93; 

 perianth, 93, 119 

 cylindrica, apical cell, 89. Figs. I'i, 



39 

 decipiens, spore division, 93 

 Pellia, 9, 20, 72, 102, 103, 139, 147, 

 150, 174, 510; antheridium, 92; 



embryo, 92 ; germination, 94 ; 

 spermatozoids, 17, 92 

 P. epiphylla, 94, 139, 313, 341 ; apical 

 cell, 89 ; archegonium, 89 ; growth 

 of seta, 93; spermatozoids, 17; 

 sporogonium, 92 ; spores, 94. Fig. 



39 

 calycina, 89, 94 

 Phanerogams (see also Spermaphytes), 



271 

 Phascum, 207, 208 



cuspidatum, 207. Fig. 103 

 Phascacea;, 153, 158, 180 

 Phoradendron, 4S0 



Phylloglossum, 463, 47S, 480, 504, 

 505, 513. 5'4, 515; anatomy of 

 vegetative organs, 479 ; protocorm, 

 479 ; sporangium, 479 ; sporo- 

 phyte, 479 

 Drummondii, 463, 478. Fig. 249 

 Phylloglosseae, 480 



Pilularia, 221, 401, 402, 403, 404, 405, 

 406, 407, 408, 409, 410, 412, 413, 

 414, 418, 419, 421 ; embryo, 407 ; 

 fertilisation, 406 ; sporophyte, 410 

 Americana, 221, 413, 414, 416, 418 ; 

 development of sporocarp, 414 ; 

 sporangium, 417. Figs. 214, 216, 

 217 

 globulifera, 404, 405, 406, 413, 416, 

 418 ; antheridium, 402 ; cotyledon, 

 406 ; macrospore and female pro- 

 thallium, 403 ; spermatozoids, 403 ; 

 stem apex, 40S, 410. Figs. 209, 

 211, 213 

 Plagiochasma, female receptacle, 55 

 Platycerium, 376 

 alcicorne, 376 

 Wallichii, 331 

 Platyzoma, 357 



microphyllum, 357 

 Pleuridium, 207, 208 



subulatum. Figs. 103, 104 

 Pleurocarpre (Bryineas), 208 

 Polypodium, 332, 376, 420 



falcatum, 329, 336 ; development of 

 sporangium, 332-336. Figs. 166, 

 167, 168 

 lingua, 327 

 Polypodiacece, 302, 307, 308, 310, 315, 

 321, 323, 324, 331, 336, 340, 341, 

 344, 345. 349. 352, 353, 355, 358, 

 366, 370, 371, 372, 373, 375, 402, 

 407, 413, 417, 419, 420, 421, 

 516; embryo, 315; gametophyte, 

 308,309,310; leaf, 317, 325; para- 

 physes, 337 ; root, 319, 32S, 331 ; 

 sexual organs, 310, 311, 312, 313, 



