igig] 



INDEX TO VOLUME LXVII 



525 



Glacial plunge basin, vegetation of 184 

 Glucosides, physiological role of loi 

 Grasses and grasslands of South Africa 



370 

 Grassland and heath 181 

 Gurjar, A. M. 515; work of iSo 



H 



Haas, A. R. C. 347, 377; work of 182 

 Halsted, B. D. 243; biographical sketch 



of 169 

 Harper, R. A., work of 513 

 Harrington, G. T. 177 

 Harris, J. A., work of 374, 375, 520 

 Hartwell, B. L., work of 519 

 Harvey, L. H. 417 

 Har\'ey, R. B. 441 

 Hasselbring, H. 97, 102; work of 99 

 Hayata, B. 84 

 Hazen, T. E., work of 271 

 Heath and grassland 181 

 Heilborn, O., work of 448 

 Helminthosporium folliculatum 509 

 Hesselbo, A., work of 104 

 Hibbard, R. P., work of 174 

 Holden, H. S., work of 280 

 Holman, R. j\I., work of 376 

 Host and parasite, relation of 180 

 Hutchinson, H. B., work of 518 

 Hybrid perennial sunflowers 264 

 Hydrogen cyanide fumigation 483 



Iceland, bryophytes of 104 

 Ikeno, S., work of 96 

 Illuminating gas, effect of 517 

 Inheritance, in gametophytes 



Pediastrum 513 

 Ishikawa, M., work of 275 



514; 



m 



Java, orchids of 280 



Journal of General Physiology 275 



Juniperus utahensis megaloca'rpa 208 



K 



Kauffman, C. H., work of 279 

 Kidd, F., work of 269 

 Kincer, J. B., work of 102 

 Klebs, G., work of 445 

 Knop's solution 448 

 Kraus, E. J., work of 446 

 Kraybill, H. R., work of 446 

 Kylin, H., work of 518 



Leaves, aeration systems of 517 

 Lebert, M., work of 98 

 Lehmann, E., work of 520 

 Lichens, conidia of 97 

 Light and germination 520 

 Livingston, B. E., work of 175 

 Loeb, J., work of 103 

 Luminous moss 278 



MacDaniels, L. H., work of 276 



MacDougal, D. T. 405 



McCall, A. G., work of 176 



McDole, G. R. 185 



McDougall, W. B. 258 



Magnolia acuminata ludoviciana 222; 



virginiana 231; virginiana australis 231 

 Magnus, \V., work of 516 

 Maige, AL A., work of 178 

 Maize, evolution of 104 

 Mangin, L., work of 178 

 Maps of rainfall and crop plants 102 

 Martin, W. H., work of 176 

 Meliola asterinoides 503; bayamonensis 



506; cestri 505; clusiae 50O; conferta 



502; marcgraviae 506; perexigua 503 

 Metabolism, effect of different oxygen 



pressures on carbohydrate 99 

 Meyer, A., work of 44'6, 520 

 Michigan, Agaricaceae of 279 

 Monocotyledonous leaves, nature of 273 

 Monographs on experimental biology 103 

 Moore, S. LeM., work of 184 

 Mottier, D. M., work of 271 

 Murphy, P. A., work of 98 



N 



Neger, F. W., work of 517 

 Nephrodium, apogamy in 519 

 Newfoundland, vegetation of loi 

 Nichols, G. E., work of 371 

 Nicolas, G., work of 177, 178 

 Nitrogen, assimilating organisms 277; 



fixation by Azotobacter 518 

 North American, flora 269; trees 20S 

 Nummularia discreta 105 



o 



Oak stems, depressed segments of 438 

 Oenothera, embryo sac and fertilization 



in 275; rubrinervis, a half mutant i 

 Orchids of Java 280 

 Osmotic pressure of epiphytes 520 

 Osterhout, W. J. V., work of 182 

 Ostrya virginiana 215; virginiana glandu- 



losa 216 



