1920] 



INDEX TO VOLUME LXX 



475 



I 



Indiana Academy, Proceedings of 3 

 Inocybe, early development of 211 

 Intercellular spaces, gases in 308 



27 



Internoretia 407 

 Isopyrum 405 



J 



<T 



Jaccard, P., work of 161 

 Jamaica, flora of 404 

 Jasminocereus 404 

 Jodidi, S. L., work of 167 

 Johnson, A. G., work of 168 

 Johnston, E. S., work of 328 



K 



Keen, B. A., work of 168 

 Kidd, F., work of 325 

 Kleioweisiopsis 407 



L 



Langdon, LaDema M. 82, no 

 Langdon, S. C. 230 

 Lange, J. E., work of 407 

 LaRue, C. D. 319 

 Laurens, H., work of 243 

 Lendneria 322 

 Leocereus 404 



Light, and growth 243; effect on plant 

 rowth 246; effect on polarity of 



germinating spores 25; relation of 



flax to varying amounts 153 

 Linhart, G. A., work of 168 

 Linospora trichostigmae 399 

 Lobelioideae, Hawaiian 327 



M 



McCool, M. M. 317 



McLean, R. C., work of 326 



MacCaughey, V. 137 



MacDougal, D. T. 126, 268; work of 



248, 408 

 Machaerocereus 404 

 Macoun, James M., biographical sketch 



of 240 

 Magness, J. R. 168, 246, 308, 323 

 Malayan ferns 406 

 Mangroves 323 

 Markley, K. S., work of 167 

 Merrill, E. D. 84 

 Mesembryanthemum 406 



Mesothamnion 407 



Millar, C. E. 317 



Minod, M., work of 322 



Monocephalium 405 



Monvillea 404 



Moore, S. LeM., work of 405 



Mosaic disease of spinach 167 

 Mosses, African 407; South American 321 

 Moulton, S. C., work of 167 

 Mutation in Botrychium 387 

 Myxomycetes 322; protoplasm of 369 



N 



Neoraimondia 404 



Nereocystis, carbon monoxide a respira- 

 tion product of 230 

 New Zealand plants 403 

 Nitrates, leaching of 167 

 North American flora 88 

 Nucleus, viscosity of 376 



o 



Onslow, Muriel Wheldale, " Practical 



plant biochemistry" 403 

 Opuntia, subcortical stomata of 295 

 Orchids, new species of 87 

 Ostenfeld, C. H., work of 406 





p 



Paraquilegia 405 



Peat-land problems 453 



Pellett, F. C., "American honey plants" 



405 

 Pennell, F. W., work of 321 



Peripetasma 322 



Phanero taenia 87 



Philippine Islands, palms of 321 



Phragmospheres and binucleate cells 469 



Phylogeny of seed plants 164 



Pilger, R., work of 321 



Piper acuminatissimum 189; aequale 

 elliptico-lanceolatum 171; biseriatum 

 178; brachistopodum 182; Brenesii 

 180; bryogetum 175; calcaratum 188; 

 chirripoense 186; citrifolium Cookii 

 186; cubilquitzianum 174; dasypogon 

 187; diquisanum 185; euryphyllum 

 178; flaviramum 181; gibbifoHum 181; 

 grandilimbum 172; leptoneuron 184; 

 longistipulum 175; magnilimbum 177; 

 melanocladum 176; minutantherum 

 171; mombachanum 180; nanum 180; 

 nicoyanum 174; nodosum 185; pallidi- 

 folium 176; pansamalanum 177; pelta- 

 phyllum lasvueltasanum 172; perhispi- 

 dum 183; pilibaccum 179; pubinerve 

 172; pulchrum copeyanum 189; purul- 

 hanum 169; reptabundum 169; sepium 

 glabrum 179; sepium guacimonum 179; 

 sinugaudens 188; subcitrifolium 186; 

 submultiplinerve 184; subsessilifolium 

 palmanum 183; tenuipes 174; tenuis- 

 picumi7o; triseriale 187; uvitanum 182; 





