474 



INDEX TO VOLUME LXX 



[DECEMBER 





Davis, J. J. 156; de Candolle, C. 169; 

 Douglas, Gertrude E. 211; Edwards, 

 J. G. 409; Freeman, G. F. 190; Fuller, 

 G D. 248 323, 324, 326, 328, 403, 405, 

 408, 472; Gailey, W. R. 230; Haining, 

 Hulda I. 436; Holm, T. 240, 446; 

 Hurd, Annie M. 25; Langdon, LaDema 

 M. 82, no; Langdon, S. C. 230; 

 LaRue, C. D. 319; MacCaughey, V. 

 137; McCool, M. M.317; MacDougal, 

 D. T. 126, 268; Magness, J. R. 168, 

 246, 308, 323; Merrill, E. D. 84: 

 Millar, C. E. 317; Prankerd, T. L. 148; 

 Richey, H. W. 162; Schley, Eva O. 69; 

 Seifriz, W. 360; Sherff, E. E. 89, 

 329; Sifton, H. S. 425; Spoehr, H. A. 

 268; Steinberg, R. A. 465; Stevens, 

 t. L. 399; Walker, Leva B. 1; Willa- 

 man, J. J. 221; Wilson, O. T. 51 

 Corryocactus 404 



Cotyledony, evolution of 327; history of 

 166 



Coulter, J. M. 87, 88, 164, 165, 166, 321, 



327, 328, 404, 405, 407, 471, 472 

 Coulter, M. C. 326, 459 

 Cribbs, J. E. 279 



Crocker, W. 167, 168, 243, 325, 403, 47^ 

 472 



Crown-gall of alfalfa 5 1 



Crucibulum vulgare, development of 14 



Cume, Mary E., work of 322 



Cyathus fascicularis, development of 1; 



striatus, development of 1 1 

 Cycads, xylem tissue in 425 



D 



Dachnowski, A. P. 453 

 Davis, J. J. 156 



De Candolle, C. 169; work of 88 



Dendrocereus 404 



Dilatometer, use in studying soil 



plant relationships 317 

 Dioon spinulosum, stem anatomy of 

 Dixon, H. N., work of 407 

 Douglas firs 328 

 Douglas, Gertrude E. 211 

 Drummond, J. R., work of 405 



and 



no 



E 



Ecological research 248 

 Edwards, J. G. 409 

 Embryo of Gnetum 436 



Endosperm development in Vaccinium 88 



Engler, A., work of 87, 160 



Erdisia 404 



Espostoa 404 



Euplotes, protoplasm of 374 



Evans, A. W., work of 321, 471 

 Evaporation, and transpiration 190; 

 vapor pressure deficit 328 



and 





F 



Facheiroa 404 



Fawcett, W., "Flora of Jamaica" 404 

 Fischer, A. F., work of 324 

 Flax, relation to varying amounts of 

 light 153 



Flood, Margaret G., work of 328 



Freeman, G. F. 190 



Fruitfulness, factors of 162 



Fucus spores, effect of unilateral mono- 

 chromatic light on 25 



Fuller, G. D. 248, 323, 324, 326, 328, 403,. 

 405, 408, 472 



Fungi, Porto Rican 399 





G 



Gailey, W. R. 230 



Gardner, N. L., work of 87, 407 



Garner, W. W., work of 246 



Gases, and germination 325; in inter- 

 cellular spaces 308 



Geo-presentation and geo-reaction 69 



Geo-reaction and geo-presentation 69 



Germination and gases 325 



Gnetum, embryo of 436 



Grasses, North American 322; South 

 American 321 



Grossenbacher, J. G., work of 161 

 Group orientation, effect on polarity of 



germinating spores 25 

 Growth and light 243 

 Guerin, P., work of 407 

 Guttenburg, H. V., work of 243, 244 



H 



Haining, Hulda I. 436 

 Hawaiian Lobelioideae 327; Plant ago 

 328; tapestry forests 137 



Hedyosmum nutans, flower and seed of 

 409 



Henry, A., work of 328 



Hepaticae 471 



Heredity, origin of mechanism 459 



Hieronymusia 87 



Hitchcock, A. S., work of 322 



Holm, T. 240, 446 



Homaliopsis 405 



Honey plants 405 



Hooker, H. D., Jr., work of 243 



Horton, R. E., work of 326 



Hurd, Annie M. 25 



Hutchinson, J., work of 405 



Hyponectria phaseoli 401 



1 



