INPI-.X. 



423 



1 lost 161 



Houseleek . 



llydnum, fructification 0, 404 



Hydrophytes 311, 327 



Hydrotropism 202; apparatus 

 SOS 



Hylocomium /o 



Hyphae 39; branching 40; fu- 

 sion 45 



Indian turnip, inflorescence ..';'><: 

 Infection with fungi 43 

 Inflorescence 87 

 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 2^4; 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 310 



Lathyrus 407 



Leaves, adaptation 314, 320; 

 arrangement 119; base 120; 

 blade 123; development 117; 

 fall of 140; form 119; growth 

 137. T 38; f mosses 57; origin 

 53; pine 91, 92; primary 117; 

 secondary 117; stalk 122; 

 structure 132, /."/; suppres- 

 sion 319; as water recepta- 

 cles 324 



LeguminoSc'E, root tubercles 336 



Lenticels 113 



Leucoplasts 4< 5 



Lichens 46, 47, ..'..'o, 337 



Light, effect on growth 184, 

 185; effect on form 313; effect 

 on water plants 338; escaping 



319; produced by plants 174; 



relation to photosyntax i(>(> 

 Lignification 6 

 Lily, anther ,.V,,V; buds :<:.' 

 Lime, effect of 317 

 Linden, domatia ,i5O; shoot .v/' 

 Liverwort 49, 378, 379, 404, 405; 



sporangium 227 

 Locomotion 190 

 Locust, development of leaf 



139; stipule thorns 130 

 Lodgers 334 

 Lonicera, buds 88 

 Lotus, fruit 302 

 Lunularia 4-^ 50 

 Lychnis, petal 254; stigma 240 

 Lycopodium, stem 103 



Malt 408 



Maple, buds 88; fruits 324; leaf 



188; mosaic !',>'> 

 Marchantia 378, 404; elaters 7; 



rhizoids 7; spermary S79; 



thallus 26? \ brood-buds 262; 



thallus 261 



Marigold, marsh 389, 407 

 Marsilia, root tip 68 

 Mechanical tissues 149; devel- 

 opment of 186 

 Mechanics of body 149 

 Megasporangium 234 

 Megaspore 231; of lily 2 

 Melampsora, spore beds 215 

 Meristem, primary 35; of root 



68; of shoot 84; secondary 74, 



108 

 Mesocarpus 21; conjugating 



07 



I O 



Mesophytes 311, 312 

 Metabolism 145, 215 

 Metzgeria 52 

 Micrococcus 11 

 Microsphrera 375, 403 

 Micr'osporangium 234 

 Microspores 231 

 Mildew .'..'.'(, 375, 403; fruit 295 

 Milkweed, flowers 25:.'; pollen 



mass ,.'-"-/ 

 Mimicry 348 

 Mimosa, leaves 2<>X; sleep 



movement ~i>7 



