Index 



Phascum, genus, 135-137 



cuspidatum, 59 (cut), 135, 136 



paroicous inflorescence, 40, 41 

 protonema of, 59 (cut) 

 Pinnule, 63, 69 (cuts) 

 Pith layer, 26, 87 

 Plants, nourishment of, 12 

 Plasma, 199 

 Pleurocarpi, 153 

 Pliny, 249 

 Porella, genus, 100-102 



platyphylla, 99 (cuts), 100, 103 

 cell structure of, 65 (cut) 

 Podetia, 88 

 Pogonatum, genus, 242248 



Alpinum, 34 (cut), 42, 247 

 lamellce, 247 (cut) 

 leaf, 242 (cut) 

 brachyphyllum, 245 (cut) 



spore case, 32, 50 (cuts) 

 brevicaule, colour plate IV., 243 (cut) 

 leaf, 244 (cut) 

 lid, 244 (cut) 

 plant, 244 (cut) 

 protonema of, 38 

 section of lamellae, 244 (cut) 

 spore-cases, 243 

 stem, 243 (cut) 

 teeth, 244 (cut) 

 tip of spore case, 243 

 capillare, 245 (cut) 

 tenue, spore-case, 239 (cut) 

 urnigerum, 246, 247 (cuts) 

 lamellae, 247 (cut) 

 leaf, 35 (cut), 247 (cut) 

 spore-case, 47 (cut) 

 Pointed Mnium, The, 228 

 Pompeii, 221 

 Polytrichacece, 239 



Catherinea, genus, 239, 240 

 angustata, 241 



apex of leaf, 241 (cut) 

 female plant, 241 (cut) 

 leaf, 241 (cut) 

 male plant, 241 (cut) 

 spore-cases, 240 (cut) 

 uiidutata, 242 



apex of leaf, 240 (cut), 242 (cut) 

 cross section of 239 

 leaves, 239 (cut), 240 (cut) 

 spore-case, 242 (cut) 

 tip of spore-case, 239 (cut), 

 242 (cut) 



Polytrichwn, genus, 239, 248, 250 

 arrangement of leaves, 42 

 commune, 256 



apex of leaf, 257 (cut) 



cross section of stem, 46 (cut), 



249 (cut) 



lamella see from side, 257 (cut) 

 leaf, 250 (cut), 257 (cut) 

 lid, 258 (cut) 



row of lamellae cells, 350 (cut) 



spore-cases, 249, 256, 257 (cuts) 



with lid, 52 (cut), 56 



without lid, 52, 56 (cuts) 



summit of spore-case, 33, 36, 



240 (cuts), 

 teeth around membrane, 258 



(cut) 



veil, 257 (cut) 

 cross section of leaf, 45 (cut) 

 dioicous inflorescence, 40 (cut) 

 female plant, 40 (cut) 

 jormpsum, 252 

 gracile, 251 



leaves, 257 (cut) 

 peristome, 251 (cut) 

 spore-case, 251 (cut), 250 (cut) 

 with pointed lid, 36 (cut) 



Polylrichacea, 



Polytrichum, 



juniperinum, cross section of leaf, 

 257 (cut) 



leaves, 248 (cut) 

 leaves, 44 



chlorophyll, 44 

 mid-vein, 44 

 sclerenchyma, 44, 45 

 male plant, 40, 255, 248 (cuts) 

 Ohien.se, spore-case, 252 (cut) 

 old sporophyte, 37 (cut) 

 piliferum, 250 (cut) 

 leaf, 32 (cut) 

 leaves, 254 (cut) 

 perichaetial leaves, 254 (cut) 

 perigonial leaves, 254 (cut) 

 plant, 253 (cut) 

 spore-case, 239, 254 (cuts) 

 subterranean shoot, 255 (cut) 

 vertical cells of lamella, 254 



(cut) 

 sexangulare, leaves, 250 (cut) 



spore-case with lid, without 



lid, 52 (cuts) 



spore-case, 35, 355, 356 (cuts) 

 strtctum, 45 



structure of peristome, 55 

 surface view of spore, 72 (cut) 

 vertical cells of lamellae, 255 (cut) 

 Pores, 72, 203 

 Primitive Mosses, 140 

 Protococcus, 27, 65 (cuts) 

 Protonema, defined, 62 



development of, 120 (cut), 118 

 of Barbula, 59 

 of Ephemerum, 59 

 of fern, 65 

 of Hepatic, 65 

 of leafy moss, 6 5 

 of Pliascum, 59 

 origin of, 38 



permanent in Beard-moss, 38 

 persistence, 38 

 Prothallia, of ferns, 66 

 Prothallium, defined, 65 

 mature, of fern, 67 

 young, of fern, 67 

 Pseudopodium, 122, 131 (cust) 

 Pteridpphytes, 69, 71 

 Ptilidium, genus, 104, 105 

 ciliare, 64 (cut) 

 stipule, 64 

 under side, 64 

 upper side, 64 

 Pycnidium, 27 (cut) 



Quartette-moss, The, 202 



Rays of light, 199 

 Red Collar-moss. 206 

 Reddhh Peat-moss, 125 

 Reindeer-lichen, 27 



as food, 28 



Reproduction, asexual, by cellular bodies on 

 protonema, 59 



gemmae, 60 



portions of leaves, 60 

 sporogonium, 60 

 stems, 60 



rhizoids, 59 

 Rhizoids, 26, 64 (cut) 



defined, 36 (cut) 



dissolving fluid from, 18 



imbedded in limestone, 18 



mechanical action of, 13 



origin of, 38 

 Ribbon stage, 64 

 Roccella, a source of litmus, 19 



tinctoria, 19 



3 2 5 



