INDEX 
595 
All numbers refer to pages, heavy type indicating illustrations. 
Marshmallow, 163, 164, 166, 369, 
410, 411 
Marsh-marigold, 198, 199, 208, 
328-356, 404, 405, 558 
Mastery through choosing the 
better way, 468 
Masts, 270 
Matches, 245 
Mats, 232, 235, 239 
Matting, 223, 235; straw, 235 
Mattress filling, 235 
Meadow Rue, 339, 328-356 
Mechanical causes in evolution, . 
453 
Mechanical equivalent of heat, 
116 
Medicinal plants, 162, 163; plas- 
ters, 288; rhubarb, 170 
Medicines, 162 
Mediterranean food-plants, 124 
Megaphyton, Tree-ferns 
Meliacee, Melia Family 
Melia Family: mahogany, 266 
Members, 323, 324, 326; of flower- 
ing plant, 327 
Menispermacee, Moonseed Family 
Mentha piperita, Peppermint; 
spicata, Spearmint 
Menthol, 178 
Meristem, 487 
Meristematic tissue, 487 
Metabolism, 84 
Metachlamydee, Bellflower Series 
Metachlamydeous flowers, 386 
Metallurgy, 300 
Metal polishing, 542 
Metroxylon leve, Smooth 
Palm 
Metroxylon Rumphii, Prickly Sago 
Palm 
ao Family, 400: daphne, 
205 
Microbes, 494 
Micro-organisms, 494 
Micropyle, 346, 552, 556 
Microsperme, Orchid Order 
Microsporangium, 545 
Microspore, 545, 546 
Migrations, 468 
Mildews, 499 
Milk-souring Bacterium, 493 
Milkweed Family, 401 
Sago 
Milky juice, 361 
Mineral fibers, 223; kingdom, 561, 
562; substances, 321 
Mineral matter in grains, 31 
Mine timbering, 245 
Mint, 418, 419 
Mint Family, 383, 401, 418, 419: 
peppermint, 147, 148; sage, 138; 
spearmint, 139; summer savory, 
139; sweet marjoram, 140; 
thyme, 139 
Miscellaneous condiments, 137; 
food-plants, 35; food-products, 
1 
Misconceptions of evolution, 439, 
440 
Mistletoe, 210, 211, 212 
Mistletoe Family, 398: mistletoe, 
210, 211 
Mixed diet, 118 
Mixed fibers, 225, 231 
Models, 280 
Modern food-plants, 124 
Molasses, 101 
Molded ornaments, 287 
Monadelphous stamens, 366 
Monkshood, 189, 191, 196, 208, 
328-356, 404, 405 
Monocots, 377 
Monocotyledones, Monocotyl Sub- 
class 
Monocotyledonous, 388 
Monocoty! Subclass, 391, 397 
Moneecious, 374 
Montgomerie, Dr. W., 286 
Moonseed Family, 398 
Moracee, Mulberry Family 
Mordant, 294, 295 
Morning-glory Family, 379, 401, 
416, 417: sweet potato, 58, 59 
Morphine, 182 
Morphological, botany, 10; differ- 
entiation, 322, 572; units, 323 
Moss, 395, 519, 544; Iceland, 395; 
Irish, 105; Peat, 394 
Mosses, 308 
Mosswort Division, 395, 396 
Mossworts, 530 
Mother of vinegar, 155 
Motile gametes in cycads, 554; 
protoplasts, 560 
Motion in plants, 573 
