INDEX 



459 



latex, 193, 194 



layering, 126 



leaf buds, 186 



leaf fall, 242 et seq. 



leaflets, 187, 208, 417, 418 



leaf mosaic, 212, 213 



leaf movements, 247 



leafy liverworts, 403 



leaves, 53 et seq., 201 el seq. 



leaves, compound, 187 



legumes, 313 



Leguminosa, 248, 28g, 301, 331, 377 



leguminous crops, 378, 393 



lenticels, 180 



Lepiota, 380 



lettuce, wild, 194, 238, 250 



liana, 152, 153 



lichens, 393, 394 



light, 113 



lilac, 187, 385, 388 



lily. 150, 160, 292, 442 



lily family, 172 



lily-of-the-valley, 29s, 299 



lime, 103 



linden, 385 



linen, 53 



Linnaeus, 278 



liverworts, 395 et seq. 



loam, 100 



locust, 208, 248, 251 



lupine, 331 



Lycopodiales, 424 et seq. 



Lycopodium, 42s, 426 



M 



Macrocystis, 373 



magnesium, 103, 349 



maidenhair fern, 419 



mallow, 289 



mandrake, 156 



mangrove, 127 



manure, 382, 392 



maple, 63, 73, 188, 190, 332 



maple sugar, 52 



Marchantia, 396, 397, 399. 4»o, 



401 

 marine algae, 362 

 marsh marigold, 238 

 May apple, 156 

 meadow rue, 308 

 mechanical tissue, 147 



medullary rays, 168 

 megasporangia, 428, 434 

 megaspores, 427, 428, 429, 430 

 megasporophylls, 428, 434 

 membrane, 106 

 meristem, 129, 163 

 Mertensia virginica, 259 

 mesophyll, 84, 85, 237 el seq. 

 mestome, 176 

 micropyle, 276, 443 

 Microsphara, 388 

 microsporangia, 428, 433 

 microspore, 427, 428, 429 

 microsporophyll, 428, 433 

 midrib, 53 

 mildew, 385, 388 

 milfoil, 227 

 milkweed, 6s, 71, 77, 194, 



301 

 milkwort, 321 

 Mimosa pudica, 247 

 mineral, 100 

 mint family, 211, 314 

 mixed buds, 186 

 mixtures, 97 

 moccasin flower, 266 

 mock orange, 301, 303 

 mold, soil, 99 



fungus, 380, 384, 387, 390 

 molecules, 91, 116 

 monoclinous, 281 



monocotyledons, 183, 204, 294, 343 

 monoecious, 283 

 moonflower, 312 

 moonwort, 423 

 Morchella, 383 

 morel, 383 



morning-glory, 153* 289, 331 

 mosses, 395, 404 et seq. 

 moths, 311, 312 

 movements of leaves, 247 

 mucilage, 364 

 Mucor, 380 

 mulberry, 64 

 mulch, 159 

 mullein, 213, 214 

 mummy wheat, 339 

 mushroom, 381 et seq. 

 mustard, 135, 340, 386 

 mycelium, 378, 384 

 mycorhiza, 393 

 Myriophyllum, 227 



300, 



