770 
Mesocarp, 298 
Mesophyll, 61, 222 
Mesophytes, 164, 617, 619 
Mesquite Gum, 540 
Metabolism, 31 
Metachlamydez, 579 
Metaphase, 50 
Metaxylem, 143 
Methyl Salicylate, 103, 505 
Methylis Salicylas, 505, 581 
Metroxylon Sagu, 82 
Mez., Carl, 323 
Mezereum, 570 
Maiucrandra, 550 
Micrococcus, 365 
division forms of, 368 
urea, 182 
Micro-crystals, 90, 91 
Microgametophyte, 461 
Micrometer, net, 673 
ocular, 672 
stage, 673, 674 
Micrometry, 672 
Micromorphology, defined, 2 
Micron, defined, 672 
Micropyle, 287, 448, 474 
Microscope, binocular, 670 
care of, 671 
compound, 663, 664 
use of, 669 
defined, 661 : 
diagram showing optics of, 665 
dissecting, 661, 662 
research, 667 
simple, 661 
Microscopic measurement, 672 
Microsorus, 274, 473 
Miucrospira, 372 
“Microsporangia, 277, 381, 447, 457, 473 
Microspore, 280, 447 
Microsporophylls, 274, 277, 447, 457 
Microtomes, 677 i 
hand, 677 
rotary, 679, 680 : 
sliding, 678, 679 
Middle lamella, 20, 21, 24, 49 
Midrib, 230 
Mildew, 388 
INDEX 
Milkweed, 295, 313 
pollinia of, 283 
Milkweed Family, 589 
Milkwort Family, 548 
Milon’s reagent, formula for, 93 
Mimosa, 36, 538 
pudica, 37 
conduction of stimuli by leaves, 
37 
Spegazzini, 36, 38 
thigmotropic reactions in, 36, 37 
Mimosacea, 538, 539 
Mimusops globosa, 582 
Mint Family, 118, 593 
Miré, 598 
Mistletoe, 161, 479, 510 
Mistletoe Family, 510 
Mitchella, 605 
Mitchella repens, 605 
Mitella, 531 
Mitochondria, 43 
Mitosis, 47 
heterotypic, 52 
homotypic, 52 
Mitrewort, 531 
Mnium, 426, 427 
Mock-orange, 531 
Mold, black, 377 
blue, 388 
bread, 377 
green, 388 
Molds, cultivation of, 376 
Mollugo, 514 
Momordica Balsamina, 608 
Monarda, 594, 596 
Monarda punctata, 596 
Monilia, 412 
Monimiacea, 515, 622 
Monkshood, 518 
Monoclinic prisms, 88, 89 
Monocotyl 
leaves, 242, 255 
rhizome, 215 
root, 165 
seed, 315 
seedling, 316 
stems, 215-220 
secondary growth in, 220 
