INDEX 



591 



Sedum roseum, 168 



Segregation of genera in Lentibulariaceae, 



39 

 Self- and cross-pollinations in Cichorium 



Intybus with reference to sterility, 333 

 Self, close and cross fertilization of beets, 



Senecio atriapiculatus, 207; crassulus, 

 207; cruentus, 339, 340; dispar, 207; 

 hydrophilus, 207; hydrophilus pacificus, 

 207; integerrimus, 207; lugens, 207; 

 taraxacoides, 207; triangularis, 207 



Septoria oleandrina, 509 



Sericocarpus, 163 



Serjania polyphylla, 575 



Setiscapella, 42, 57, 64; subulata, 57, 58 



Sex-ratios in Mercurialis annua, Obser- 

 vations on inheritance of, 69 



Shaw, Harry B. Self, close and cross 

 fertilization of beets, 149 



Sida ciliaris, 575 



Silene acaulis, 168, 170 



Silphium, 163 



Silver scurf (Spondylocladium atrovirens 

 Harz) of the white potato, A contri- 

 bution to our knowledge of, 549 



SiNNOTT, Edmund W. Endemism as a 

 criterion of antiquity among plants, l6l 



Sisyrinchium, 271, 305; linifolium, 188 



Small, John K. Recent exploration in 

 southern Florida, 475 



Smilax glauca, 84; rotundifolia, 81 



Soil fertility, Plantecology and the new, 319 



Solanum persicifolium, 578; tuberosum, 



509, 554 

 Solidago, 163, 463; sempervirens, 85, 86; 



Virgaurea, 169 

 Somatic and reduction divisions in certain 



species of Drosera, 125 

 Some things learned in managing a botanic 



garden, 513 . 

 Sonora, Mexico, including a Neocalamites 



not previously reported from North 



America, Triassic plants from, 75 

 Sophera tomentosa, 573 

 Sorbus, 252; alnifolia, 252; Aria, 252 

 Southern Florida, Recent exploration in, 



475 

 Spartina cynosuroides, 85; patens, 85, 86 

 Spathyema foetida, 81 

 Species of AUodus, North American, 173 

 Species of Drosera, Somatic and reduction 



divisions in certain, 125 

 Species of Gymnosporangium, Japanese, 



245 

 Spermacoce tenuior, 578 

 Sphacelaria, 259, 260, 264 

 Sphaerostilbe flammea, 507 

 Spirogyra, 103, 109, 258-260, 269, 277 

 Spondylocladium atrovirens, 549-552, 



554-560 

 (Spondylocladium atrovirens Harz) of the 



white potato, A contribution to our 



knowledge of silver scurf, 549 



Sporobolus angustus, 509; argutus, 568; 



virginicus, 568 

 Sporormia intermedia, 508; minima, 508 

 Sporotrichum densum, 68; flavissimum, 68 

 Stanleya, 163 

 Status of the problem of the effect of 



radium rays on plant life, Present, 153 

 Staysanus Stemonitis fimetarius, 509 

 Stereum hirsutum, 511; radians, 511 

 Sterility, Self, and cross-pollinations in 



Cichorium Intybus with reference to, 333 

 Stictis graminum, 506; radiata, 506 

 Stigmaphyllon lingulatum, 573 

 Stilbocrea hypocreoides, 507 

 Stipa, l8i;eminens, 181 

 Stomoisia, 44, 52, 55, 64; cornuta, 54, 55 

 Stout, A. B. Self- and cross-pollinations 



in Cichorium Intybus with reference to 



sterility, 333 

 Streblonema, 108; solitarium, 106, 108- 



lio, 112, 115, 118 

 Streptotheca, 503 

 Stropharia ambigua, 221 

 Strumpfia maritima, 578 

 Stylosanthes hamata, 573 

 Suriana maritima, 567, 573 

 Swamp at Merrick, Long Island and its 



significance, A white-cedar, 79 

 Swertia, 195; palustris, 195; perennis, 



195; scopulina, 195 

 Swietenia Mahagoni, 29, 31 

 Symphoricarpos, 163, 481, 487; occiden- 



talis, 485, 490 

 Symplocarpus, 272, 305 

 Synchytrium, 261 

 Syringa, 137, 279, 280, 306, 307; persica, 



127; rothomagensis, 127; vulgaris, 127 



Tabebuia heterophylla, 567, 578 



Tanacetum, 282 



Taenia atomaria, 108 



Taraxacum, 281, 282, 306, 363 



Taubenhaus, J. J. A contribution to 

 our knowledge of silver scurf (Spondy- 

 locladium atrovirens Harz), of the 

 white potato, 549 



Taxus brevifolia, 483 



Taylor, Norman. A white-cedar swamp 

 at Merrick, Long Island, and its 

 significance, 79 



Temnoceras, 46, 47 



Tetracentron, 27-31; sinense, 29, 31, 32 



Tetracentron, Trochodendron and Drimys 

 specialized or primitive types? Are, 27 



Tetracotyledonous race of Phaseolus vul- 



Tetradymia, 488, 494 

 garis. A, 229 



Tetralobus, 49 



Tetramicra elegans, 570 



Tetraploa aristata, 509 



Tetraspora, 258 



Thalictrum alpinum, 169 



Thecotheus Pelletieri, 506 



Thelypodium, 163 



