INDEX. 



423 



Host 161 



Houseleek S25 



Hydnum, fructification 220, 404 



1 [ydrophytes 311, 327 



Hydrotropism 202; apparatus 

 SOS 



II ylocomium 56 



Hyphse 39; branching 40; fu- 

 sion 45 



Indian turnip, inflorescence 256 

 Infection with fungi 43 

 Inflorescence S7 

 Insects, adaptations of flowers 



to 358; distributing spores 



357; exclusion of 359; as food 



342 

 Integuments, of ovule 243; of 



seed 299 

 Internodes 96; of Chara 27 

 Involucre 256 



Irregularity 254; purpose 359 

 Irritability 145, 183, 188, 274; 



localization 189 

 Isogamy 271, 274 

 Ivy, chloroplasts 4 



Katabolism 170, 175 



Land plants 152, 311 



Larch, gametophyte 282, 283; 

 shoot 320 



Lasiagrostis, rolling of leaf S19 



Lathyrus 407 



Leaves, adaptation 314, 320; 

 arrangement 119; base 120; 

 blade 123; development 117; 

 fall of 140; form 119; growth 

 137. 138; of mosses 57; origin 

 53; pine 91, 92; primary 117; 

 secondary 117; stalk 122; 

 structure 132, 189; suppres- 

 sion 319; as water recepta- 

 cles 324 



Leguminosfe, root tubercles 336 



Lenticels 113 



Leucoplasts .'/, 5 



Lichens J'., 47, .'.'.7, 337 



Light, effect on growth [84, 

 185; effect on form 313; effect 

 on water plants 33S; escaping 



319; produced by plants 17c 



relation to photosyntax 166 

 Lignification 6 

 Lily, anther .'/,S; buds 262 

 Lime, effect of 317 

 Linden, domatia 350; shoot 86 

 Liverwort 49, 378, 379, 404, 405; 



sporangium 227 

 Locomotion 190 

 Locust, development of leaf 



139; stipule thorns ISO 

 Lodgers 334 

 Lonicera, buds S8 

 Lotus, fruit SOS 

 Lunularia %9, 50 

 Lychnis, petal 254; stigma 2j0 

 Lycopodium, stem 103 



Malt 40S 



Maple, buds 88; fruits S24; leaf 

 188; mosaic 195 



Marchantia 378, 404; elaters 7 

 rhizoids 7; spermarv 979 

 thallus 267; brood-buds 262 

 thallus 261 



Marigold, marsh 389, 407 



Marsilia, root tip 68 



Mechanical tissues 149; devel- 

 opment of 1S6 



Mechanics of body 149 



Megasporangium 234 



Megaspore 231; of lily .' 



Melampsora, spore beds 215 



Meristem, primary 35; of root 

 68; of shoot 84; secondary 74, 

 108 



M>s, 1, arpus 21; conjugating 



Mesophytes 311, 312 

 Metabolism 145, 215 

 Metzgeria ■'•-' 

 Micrococcus // 

 Microsphaera 375, 403 

 Microsporangium 234 

 M i< rospores 231 



Mildew :."/. 375, 403; fru • 



Milkweed, Bowers 252; pollen 



mass 

 Mimicry 3 p 



Mimosa, leaves 208; sleep 

 movement ."- , 



