167 



Sanguinaria canadensis, 98 

 Sanicula canadensis,3; marylandica,3 

 Sarracenia purpurea heterophylla, 



144 

 Sass, Charles H., 156 

 Sassafras variifolium, 131 

 Savicool, Ethel, 50 

 Saxifraga virgin iensis, 98 

 Schizaea, 155 



Schneller, George Henry, 156 

 Schutt, Elizabeth M., 51 

 Schwartz, George, 106 

 Scirpus americanus, 82 ; atrovirens, 2 ; 



campestris, 82; cyperinus, 2; ol- 



neyi, 82; robustus, 82; validus, 2 

 Scolochloa festuacea, 82 

 Scott Horticultural Foundation, 28 

 Scott, Spencer, 19 

 Search for two of America's rarest 



conifers, A., Walter C. and 



George Q. Shepard, 138 

 Seaver, F. J., 79 

 Sedum triphyllum, 3 

 Selaginella rupestris, 18 

 Senecio douglasi, 61; Smallii, 3 

 Serapias Helleborine, 133 

 Setaria glauca, 2; viridis, 2 

 Seymour, Arthur B., 107 

 Shepard, Walter C. and George Q., A 



search for two of America's 



rarest conifers, 138 

 Shrive, John W., 104 

 Silene from Washington, A new, E. V. 



Morton and J. W. Thompson, 70 

 Silene latifolia, 103; seelyi, 70 

 Simple way to demonstrate sexual 



reproduction in the bakery mold, 



Neurospora, A, B. D. Dodge and 



Marjorie E. Swift, 31 

 Sinnott, E., 157 



Sisyrinchium angustifolium, 103 

 Sitilias caroliniana, 143; forma alaba- 



mensis, 144 

 Smith, George Hume, 21, 156 

 Smith, William H., 132 

 Solanum dulcamara, 103; virgini- 



anum, 155 



Solidago altissima, 18; bicolor, 3 

 caesia, 3, 18; graminifolia, 3, 18 

 juncea, 3, 18; nemoralis, 3, 18 

 praeconcinna, 72; rugosa, 18 

 speciosa, 18; ulmifolia, 18 



Solorina saccata, 50 



Sophora secundiflora, 83 



Spartinia cynosuroides, 82; blabra, 

 82; patens, 82 



Specularia biflora, 146; perfoliata, 146 



Spencer, Ernest L., 132 



Spenomeris chinensis, 17; chusana, 17 



Sphaeralcea pedata, 61 



Sporobolis airoides, 91 



St. John, Harold, Weeds of the pine- 

 apple fields of the Hawaiian Is- 

 lands, review, 17 



Stakman, E. C., 105 



Stehle, Mrs. Charles Gormley, 26 



Stellaria longifolia, 103; media, 50 



Stenotopsis linearifolius, 59 



Stewart, Ralph R., 19, 26 



Stout, A. B., 132 



Svenson, H. K., 18, 156 



Swift, Marjorie E., and B. O. Dodge, 

 A simple way to demonstrate 

 sexual reproduction in the bak- 

 ery mold, Neurospora, 31 



Symplocarpus foetidus, 98 



Talinum calcycinum, 148; Youngae, 



148 

 Talinum from Trans-Pecos, Texas, A 



new species of, C. H. Mueller, 



148 

 Taxodium distichum, 81 

 Taxus canadensis, 138; floridana, 138 

 Taylor, William A., 159 

 Teuscher, Henry, 21 

 Thelypteris noveboracensis, 131; pa- 



lustris, 131; simulata, 131 

 Thompson, John W., 99 

 Thompson, J. W., and C. V. Morton, 



A new Silene from Washington, 



70 

 Three Keys to Wild Flowering Plants, 



Mary Franklin Barrett, review, 



150 



