Index 



Mosses, mechanical work of, 1 2 

 method of obtaining water, 34 

 necessity for light, 33 

 pioneers, 15, 17 

 plants wrongly so called, 8 

 pores of, 72 



position in plant kingdom, 61 

 produced without spores, 33 

 relative position in plant kingdom, 69 

 reproduction of, 32 

 resembling miniature trees, 9 



tiny ferns, 9 

 retainers of rainfall, 16 

 of soil, 13 

 of water, 16 



retention of mud by aquatic, 14 

 rock-loving, 5 

 saprophytic, n 

 "soft lips of," 10 

 soil makers, 12, 17 

 source of brooks, 16 

 species based on, 32 

 start in life not general on rocks, 13 

 velvet stage, 5 

 velvety coat of young, 5 



cushions, 5 



what they are doing on rocks and trees, 8 

 which build up limestone, 17 



do not produce spores, 32 

 with straight-haired veils, 188 

 work done under primitive conditions , 1 4 

 Andrecea, genus, 130-^133 



Hartmanii, fertile plant, 131 (cut) 

 leaves, 130 (cut) 

 sporophyte, 131 (cut) 

 sterile plant, 131 (cut) 

 petrophila, 132 



leaves, 132 (cut) 



vertical section of spore-case, 



132 (cut) 



rupestris, fertile plant, 133 (cut) 

 leaves, 133 (cut) 

 spore-case open, 133 (cut) 

 sporophyte, 133 (cut) 

 with four valves, 130 (cuts) 

 Archidium, genus, 140, 141 

 Ohiense, 140, 141 



exit of spores, 140 (cut) 

 plant, 141 (cut) 

 sporophyte with veil, 141 (cut) 

 vertical section of sporophyte, 



140 (cut) 

 Astomum, genus, 141 



Sttliivantii, bract, 142 (cut) 

 leaves, 142, (cut) 

 plant, 141 (cut) 

 spore-case with veil, 142 (cut) 

 sporophyte, 142 (cut) 

 upper leaves, 142 (cut) 

 veil, 142 (cut) 

 Attlacomnium, genus, 234 

 androgynum, 235 



head of gemmae, 234 (cut) 

 plant, 234 (cut) 

 spore case, 234 (cut), 235, 237 

 heterostichunt, plate XX., 237 

 annuhis, 238 (cut) 

 cross section of leaf, 237 (cut) 

 lid, 237 (cut) 

 male flower, 230 (cut) 

 spore cases, 237, (cut), 238 (cut) 

 palustre, 236 



antheridia and paraphyses, 238 



(cut) 



leaves, 238 (cut) 

 plant, 238 (cut)- 

 stem, 238 (cut) 

 Barbula, genus, 172-176 

 caspitosa, 175 



fertile plant, 173 (cut) 



Mosses, Barbula, 



caspitosa, leaves, 172, 175 (cuts) 

 male flower-cluster, 175 (cut) 

 plant, 173, 175 (cuts) 

 spore-case, 175 (cut) 

 tip _ of spore-case, 173 (cut) 



Muellcri, 177 (cut) 



unguiculata, 173 



cross-section of leaf, 174 (cut) 

 leaves, 174 (cut) 

 plant, 173 (cut) 

 spore-cases, 174 (cut) 

 sporophyte, 174 (cut) 

 _tip of spore-case, 174 (cut) 

 Bartramia porni]onnis, 214, 215 



leaves, 216 (cut) 



plant, 216 (cut) 



stripped, 215 (cut) 



tuft, 216 (cut) 

 Bruchia flexuosa, 139 



leaves, 139 (cut) 



plant, 130 (cut) 



sporophyte, 140 (cut) 

 Bryum, genus, 221-225 



argenteum, 222 



annulus, 223 (cut) 



leaf, 221 (cut) 



lids, 222 (cut) 



peristome, 221, 222 (cuts) 



plants, 222 (cut) 



spore-case, 221, 222, 223 (cut) 



veil, 223 (cut) 



roseum, plate XVIII., 224 

 annulus, 225 (cuts) 

 apex of leaf, 224 (cut) 

 leaves, 224 (cut) 

 peristome, 225 (cut) 

 plants, 225 



spore-case, 225 (cut) 

 Ceratodon, genus, 166-169 



ptirpureum, colour plate IV., 167 

 annulus, 169 (cut) 

 leaf, 167, 1 68 (cuts) 

 lid, 169 (cut) 

 peristome, 167, 169 (cut) 

 plant, 1 68 (cut) 

 spore-cases, 167, 169 (cuts) 

 tuft, 167 (cut) 

 variety aristatus, 169 

 minor, 169 

 xanthopous, 169 

 veil, 169 (cut) 

 Dicranella, genus, 150152 



heteromalla, 151 



leaves, 151 (cut) 

 peristome, 152 (cut) 

 plant, 151 (cut) 

 spore-cases, 152 (cut) 

 Dicranunt, genus, 152 



congestum, 153 (cut) 



flagellare, plate XIV., 154 



basal leaf -cells, 155 (cut) 

 leaves, 155 (cut) 

 spore-cases, 155 (cut) 



xopariunt, plate XIII., 152,155 

 base of leaf, 154, 157 (cuts) 

 leaf -cells, 154, 157 (cuts) 

 leaves, 153, 156, 157 (cuts) 

 sections of vein, 156 (cut) 

 tuft, 152, 157 (cuts) 



subulatum, 153 



undul.it um. 154 

 Ditrichum pallidunt, genus, colour plate 



XIV, 171-172 



annulus, 171 (cut) 

 leaves, 172 (cut) 

 peristome, 171 (cut) 

 plant, 171 (cut) 

 spore-cases, 172 (cut) 

 vein, 173 (cut) 



321 



