1909] 



INDEX TO VOLUME XLVII 



493 



Lindau, G. 241 



Linum leptopoda 426 



Loco, Crawford on barium and 344 



Luffa, histology of fruit and seed 305 



Lutz, Anne M., work of 475 



Lycopodium Selago, homoeosis in 61 



Lythraceae, Koehne on 473 



M 



Magnolia gautemalensis 253; portoricen- 



sis 253 

 Maiden, J. H., work of 163 

 Maize, Shull on 169 

 Malinowski, Edmond, work of 161 

 Malpighiaceae, Dop on 163 

 Mai vales, Fries on 164 

 Mangin, L., work of 4*24 

 Marila, macrophylla 254; verapazensis 



2 53 

 Marryat, D. C. E., work of 470 



Mastigobryum, Stephani on 472 



Mattei, G. E., work of 163 



Mazus, Bonati on 161 



McNichols, M., work of 169 



Melon, musk, histology of fruit and seed 



287 ; water, histology of fruit and seed 



292 

 Melothria, histology of- fruit and seed 



308 

 Mendelism, Gregoire on cytological basis 



of 79 

 Mentzelia, polita 427; synandra 428 

 Merinthopodium, campanulatum 257 ; 



neuranthe 257 

 Merrill, E. D., work of 164 

 Microcachrys, megasporophvll of 345; 



tetragona, pollen of 26 

 Microcycas calocoma, vascular anatomy 



of 127 

 Mirabilis glutinosa 426 

 Mitosis, in Fucus 173; Oes on solutions 



of 172 

 Moisture of air, influence on vegetation 90 

 Molisch's "Purpurbacterien" 75 

 Moore, Spencer le M., work of 161 

 Morphology of Hypogaeae, Fischer on 76 

 Mortierella, Dauphin on 422 

 Mortonia, scabrella utahensis 427; utah- 



ensis 427 



Mosses, Paris on 472 



Mounting of algae 237 



Mucilage ducts in Pipereae 167 



Mucor, papers on 418 



Mucuna, Leveille on 162 



Mutability and variability in Oenothera 



476 

 Mutant, a vegetative 30 

 Mutation and isolation, Leavitt on 170 

 Myrmecocystis, Fischer on 77 



Myrmecophily, Nieuwenhuis-Uexkull on 

 81 



N 



Nadson, G. A., work of 472 

 Nakai, T., work of 162 

 Necrosis of the grape, Reddick on 487 

 Nectaries, Nieuwenhuis-Uexkull on extra- 

 floral 81 



Nelson, Aven 425 

 Neocalamites, Halle on 424 

 Neotuerckheimia 258; megalophylla 258; 

 gonoclada 259 



Nephrodium molle, homoeosis in 42 



Nicholas, see Evans 



Nieuwenhuis-Uexkull, work of 81 



Nieuwland, J. A. 237 



Nitraria, Komarov on 161 



Nitrogen fixation by Azotobacter, Krze- 



mieniewski on 475 

 Norwegian mucors, Hagem on 418 

 Nothoscordum, Beauverd on 472 



o 



Oaks, Merrill on 164 



Oes, Adolf, work of 172 



Oenothera, canescens 437; Geerts on 

 cytology of 480; DeVries on hybrids 

 of 1, 473; mutability and variability 



Oliver, F. AY., work of 244 

 Olsson-Seffer, Pehr 85 

 Opuntia, Griffiths on 163 

 Orchidaceae, Fawcett and Rendle on 473; 



Kranzlein on 472 

 Orchid, flowers and formative stimuli, 



Fitting on 479; Finet on 162; Rolfe 



on 163 

 Osmosis in root hairs, Hill on 170 

 Osmunda cirmamomea, homoeosis in 



pinna 48 

 Osterhout, W. J. V. 148; work of 344 

 Oxalis, Hus on virescence in 252 

 Oxidation by roots 355 



P 



Pachvlophus cylindrocarpus 429 



Palladin, W., work of 8^ 



Palla, Ed., work of 162 



Palms, Beccari on 472 



Pandanus, Campbell on embryo sac o 



48 s 

 Paris, E. G., work of 47 2 

 Parthenogenesis in Pinus pinaster 406 



Peat deposits in local bogs 445 



Peck, C H., work of 163 



Peckolfs " Yolksbenennungen der bra- 



silianischen Pflanzen" 244 

 Pedicularis, Bonati on 162 



