INDEX 



459 



latex, ig3, 194 



layering, 126 



leaf buds, 186 



leaf fall, 242 et secj. 



leaflets, 187, 208, 417, 418 



leaf mosaic, 212, 213 



leaf movements, 247 



leafy liverworts, 403 



leaves, 53 et seg., 201 ct seq. 



leaves, compound, 187 



legumes, 313 



LeguminoscB, 248, 289, 301, 331, 377 



leguminous crops, 378, 393 



lenticels, 180 



Lepiota, 380 



lettuce, wild, 194, 238, 250 



liana, 152, IS3 



lichens, 393, 394 



light, 113 



lilac, 187, 38s, 388 



lily, 159, 160, 292, 442 



lily family, 172 



lily-of-the- valley, 295, 299 



lime, 103 



linden, 385 



linen, 53 



LinnsEUS, 278 



liverworts, 395 et seq. 



loam, 100 



locust, 208, 248, 251 



lupine, 331 



Lycopodiales, 424 et seq, 



Lycopodivm, 425, 426 



M 



MacrocysUs, 373 



magnesiimi, 103, 349 



maidenhair fern, 419 



mallow, 289 



mandrake, is6 



mangrove, 127 



manure, 382, 392 



maple, 63, 73, 188, 190, 332 



maple sugar, 52 



Marchantia, 396. 397i 399. 400, 



401 

 marine algae, 362 

 marsh marigold, 258 

 May apple, 136 

 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 et seg. 



mestorae, 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, 300, 



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, 1 59 

 mullein, 213, 214 

 mummy wheat, 339 

 mushroom, 381 et seg. 

 mustard, 13s, 340, 386 

 mycelium, 378, 384 

 mycorhiza, 393 

 Myriophyllum, 227 



