INDEX 



699 



Palaeopteris, see Archaeopteris, 579 

 Palaeozoic seed-plants, 604 

 Palaeozoic formations, 578 

 Paleae, 292, 335 

 Palisade parenchyma, 29, 528 

 Pallavicinia, 14, 87, 89, 125, 608, 

 6i8, 619 

 cylindrica, 89, 90; Figs. 41, 42 

 decipiens, 98, 618 

 Levieri, 617, 618 

 Lyellii, 98 



radiculosa, 615, 616, 617, 618 

 Zollingeri, 615, 616, 617 

 Paraphyses, 11, 199, 345, 392, 489 

 Parasitism, 533 

 Parkeriaceae, 310, 392 

 Parthenogenesis, 574 

 Peat-bogs, 160 

 Peat-mosses, 166 



Pellia, 9, 19, 73, 99, 108, 109, 148, 

 155, 158, 183, 595, 609, 613, 

 614, 618 

 antheridium, 92 

 centrosomes, 99 

 spermatozoids, 17, 92 

 calycina, 88, 90, 99 ; Figs. 40, 



48 

 epiphylla, 17, 90, 98, 99, 146, 318, 

 349 ; Fig. 42 

 archegonium, 94 

 seta, 98 

 Perianth, 65, 109, 113, 616 

 Periblem, 253 

 Perichaetimn, 11, 12 

 Pericycle, 332, 337, 360 

 Pericyclic sector, 223 

 Perinium, 5, 19, 64, 343 

 Perispore, 560 



Peristome, 165, 210, 211, 213, 216, 

 218, 220 

 Bryales, 220 



hygroscopic movements, 166 

 Polytrichaceae, 225 

 Permian, 582 

 Petalophyllum, 619 



Petrifactions, 576, 577, 579 

 Phanerogams, 291 

 Phascaceae, 161, 166, 188 

 Phascum, 216 



archesporium, 216 

 cuspidatum, 



embryogeny, 216; Fig. 115 

 Phloem, 261, 265, 268, 291, 326, 

 332, 360, 369, 379, 387, 464, 

 497, 507, 526, 554 

 Phorodendron, 504 

 Photosynthesis, 572, 573 

 Phylloglosseae, 504 

 Phylloglossum, 485, 486, 492, 502, 



503, 533, 598, 599, 639, 640, 

 642 

 gametophyte, 503 

 Drummondii, 502 ; Fig. 200 

 Phyllotheca, 587 

 Physiotium, 104 



Pilularia, 233, 417, 418, 419, 442 

 antheridium, 421 

 embryo, 426 

 female prothallium, 424 

 sporangium, 438 

 sporocarp, 435, 436, 437, 439 

 Americana, 432, 434, 436, 438, 



634; Figs. 252, 254 

 globulifera, 423, 424, 432, 435, 

 436,439; Figs. 246, 249, 251, 

 256 

 Pinus, 591 

 Placenta, 340 

 Plagiochasma, 56, 612 

 Plagiochila, 619 

 Platycerium, 394, 395 

 alcicorne ; Fig. 232 

 Wallichii, 339 

 Plerome, 253 

 Pleuridium, 216 

 leaves, 216 

 subulatum. Fig. 115 

 Pleurocarpae, 218, 623 

 Pleurococcus, 564 

 Pleurozioideae, 119 



