INDEX. 



6 97 



Lommel 



on physical theory of chlorophyll, 

 156 



on rays of spectrum which decom- 

 pose carbon dioxide, 254 

 Lonicera, twining of, 514, 517 

 Lophospermum scandens^ irritability of, 



49 * 

 Lory, on absorption of oxygen by Oro- 



banche, 77 



Luboock, on dichogamous flowers, 647 

 de Luca 



on alcoholic fermentation, 209 

 on evolution of carbon dioxide by 

 plants, 213 



on evolution of hydrogen by plants, 

 209 



on mannite in olives, 171 

 Ludwlg, on luminosity, 317 

 Luminosity of plants, 318 

 Lunularia, gemmae of, 599 

 Lynch, on movements of Averrhoa bi- 



limbi, 536 (Fig. 58) 

 Lysimachia Nummularia, direction of 



growth of, 441, 442, 450, 469, 503 

 Lythrum, heterostylism in, 647 



Macrosporangia, 603 



Macrospore, 603 



Magnesium in food of plants, 135 



Mahonia, structure of motile stamens 



of > 533 



Male parthenogenesis, 674 



Malic acid, 29; attraction of, on an- 



therozoids, 529 

 Malpighi, on germination in absence of 



oxygen, 292 

 Maly, on resin, 236 

 Mandevillea suaveolens, does not t.wine 



in darkness, 517 

 Mannite, 171, 210 

 Maquenne 



on absorption of heat by leaves, 



3H 



on decomposition of carbon dioxide 

 in artificial light, 258 



Marcet 



on absorption of oxygen by Boletus 

 versicolor, 76 



on exhalation of carbon dioxide by 

 Fungi, 197 



Marchantia, dorsiventrality of, 425; 

 gemmae (Fig. 49), 426, 599 



Mariotte, on loss of water by transpi- 

 ration, 104 



Marquard, on movements of chloro- 

 phyll-corpuscles, 299 



Martins, on relation of plant-life to 

 temperature, 275 



Martynia, irritability of stigma of, 545 



Maskelyne, on Carnauba wax, 244 

 Maurandia semperflorens, irritability of 



stem of, 491 



Maximum temperature, for germination, 

 277; for growth, 293; for metabo- 

 lism, 276 

 Mayer 



on absorption of ammonia by leaves, 

 86 



on absorption of oxygen by plants, 

 197, 276 



by seedlings, 76, 260 



on absorption of oxygen by plants 

 in darkness, 231 



on absorption of substances in so- 

 lution by leaves, 67 



on action of chymosin retarded by 

 light, 268 



on alcoholic fermentation affected 

 by temperature, 277 



on evolution of carbon dioxide by 

 plants, 207 



on metabolism of succulent plants, 

 231 



on optimum temperature of growth, 



295 



on relation between growth and 

 absorption of oxygen, 369 



Mayerhausen, on movements of Schizo- 

 mycetes, 297 



Mayo, on Mimosa, 560 



Measurement of growing organs, 398 



Melanospora, reproduction of, 624 



Mechanics of growth, 334 



Mechanism of movements, 557 



Megaclinum falcatum, movements of 

 labellum, 536 



Melnikoff, on cystoliths, 22 



Melsens, on alcoholic fermentation, 2 13 



Members of plants, 1 1 



Mer, on growth of leaves in darkness, 

 382 



Mereschkowsky , on movements of Dia- 

 toms, 520 



Mesembryanthemum, calcium oxalate 

 in, 22 



Mesocarpeae, reproduction of, 612 



Mesocarpus, movements of chlorophyll- 

 band of, 525, 527 



Mesophyll, 70 



Metabolic processes, 187; relation of 

 temperature to, 275; relation of oxy- 

 gen to, 202, 210 



Metabolism, of growing-point, 177; of 

 plants, 4, 139; constructive, non-nitro- 

 genous, 140; nitrogenous, 148; destruc- 

 tive, 1 88; relation to evolution of 

 kinetic energy, 288, 303; to move- 

 ment, 296; to growth, 332; products 

 of, plastic, 216; waste, 222 



