54o 



IXDEX TO VOLUME LVIII 



[DECEMBER 



Reviews: Baumann's "Die Vegetation 

 des Untersees" 449; Benecke's "Mor- 

 phologie und Entwickelungsgeschichte" 

 86; Grove's "The British rust fungi" 

 187; Hausrath's " Pflanzengeogra- 

 phische Wandlungen" 531; Hawley's 

 "Forestry in New England' ' 188; 

 Lock's "Rubber and rubber-planting" 

 188; Massart's "Nos arbres" 532; 

 Paschers' "Die Siisswasser-Flora" 

 189; Praeger's "Weeds" 189; Reed's 

 "Manual of bacteriology" 529; Rosen- 

 vinge's "The botany of Iceland" 530; 

 Strasburger's "Die Kultur der Gegen- 

 wart" 86; Wernham's "The genus 

 Sabicea" 189 



Riss, Marie-Marthe, work of 89 

 Roberts, Edith A. 432 

 Roots, thermotropism of 254 

 Rosenvinge, K. L., and Warming, E., 



"The botany of Iceland" 530 

 Rubber 188 



S 



Sabicea 189 



Sakamura, T., work of 372 

 Sand dune, a Welsh 455 

 Sandhills, vegetation of 532 

 Schaffner, J. H., work of 456 

 Schizocotyly 283 



Scirpus validus, diaphragms of 495 



Seedling anatomy 376 



Seeds, germinating power of 101 



Sex and chromosomes 454 



Sexual fusions in aecidium 15 



Sharp, L. W. 373, 419, 452, 453; work of 



373 

 Shive, J. W., work of 281 



Shull, G. H., work of 454 

 Sigmatochilus 282 

 Sinnott, E. W. 36; work of 536 

 Skottsberg, C, work of 96, 97, 190 

 Smilacina amplexicaulis, embryo sac of 



140; sessifolia, embryo sac of 139 

 Smith, J. J., work of 284, 456 

 Snow, Laetitia M. 495 

 Soil moisture and evaporation 193 

 Soueges, R., work of 284 

 Spalding, E. S., work of 534 

 Spermatogenesis, in Marsilia 419 

 Spore conditions in hybrids 322 

 Sporogenesis in Equisetum 373 

 Standley, P. C, work of 376 

 Stewart, A., work of 94 



Stopes, Marie C, work of 375 

 Strasburger, E., "Die Kultur der Gegen- 



wart" 86 

 Streptopus roseus, embryo sac of 141 

 Subantarctic vegetation 96 

 Suspended vitality 375 

 Sweden, plant breeding in 453 

 Swingle, W. T., work of 192 



Symphyogyna aspera, morphology of 401 



Syncotyly 283 



Synergids, fertilization of 375 



T 



Tansley, A. G., work of 535 

 Tetraspora, mitosis in 452 

 Thaxter, R. 235, 353 



Thermotropism of roots 254 

 Tissues, killing by low temperature 451 

 Transeau, E. N. 282; work of 456 

 Transpiration of emersed water plants 



457. 

 Trifolium hybridum, morphology of 159; 



pra tense, morphology of 156; repens, 



morphology of 160 

 Triggerson, C. J., work of 94 

 Tropisms, recent work on 88 

 Tyloses 283 



v 



Van Tieghem, Ph., sketch of 527 

 Vavilov, N. L, work of 455 

 Vestal, A. G. 377 



Vicia americana, morphology of 

 mitosis in 372 



161; 



w 



Wager, H. A., work of 284 



Washington, flora of southwestern 192 



Water-balance of desert succulents 534 

 Weeds 189 



Welwitschia 536 . 



Wernham, H. F., "The genus Sabicea" 

 189 



Wieland, G. R., work of 455 

 Wildeman, E. de, work of 284 

 Wilting coefficient 280 

 Win ton, Kate B. 445 



Y 



Yapp, R. H. ? work of 450 



