276 



Ribes americanum, 36; cynosbati, 36; 



floridum, 36; glandulosum, 36; hu- 



ronense, 36; lacustre, 36; prostratum, 



36; rubrum, 36; triste, 36 

 Richards, H. M., 69 

 River-bank Vegetation of the Lower 



Apalachicola, and a New Principle 



Illustrated Thereby, 225 

 Robinson, C. B., personal, 124 

 Roots, The Clogging of Drain Tile by, 



51 



Roripa americana, 34; hispida, 34 



Rosa blanda, 171; canina, 171; Caro- 

 lina, 208, 209; humilis, 171 



Rosaceae, 170, 255 



Rose, J. P., 45 



Rowlee, W. W., personal, 22 



Royal Botanic Gardens, Kew, 75 



Rubber, Guayule, 241; mistletoe, 242; 

 Para, 241 ; producing plants, 241 



Rubiaceae, 82, 109 



Rubus, 41, 179, 248; betulifolius, 10; 

 Chamaemorus, 253; Enslenii, 11; 

 procumbens, 11; saxatilis, 253 



Ruellia, 113; Purple flowered, 82 



Rugg, H. G., 50 



Ruhlandiella hesperia, 178 



Rumex Acetosella, 256; Britannica, 207 



Rusby, H. H., 22, 69, 118, 121, 141; 

 Some Floral Features of Mexico, 77, 

 no, 121; Two New Species of Edible 

 Fruits, 118 



Russula emetica, 154; nigricans, 29; 

 sp., 29 



Rutaceae, 187 



Rydberg, P. A., List of Plants Collected 

 on the Peary Arctic Expedition of 

 1905-06 and 1908-09 with a General 

 Description of the Flora of Northern 

 Greenland and Ellesmere Land, 249; 

 Thistle Hybrids from the Rocky 

 Mountains, 45; personal, 224 



Sabal, 195; glabra, 229, 231; Palmetto, 



228-232 

 Sagittaria brevirostra, 207; Salicaceae, 



255 

 Salix, 207, 208; anglorum, 254; arctica, 



254; californica, 264; discolor, 209; 



longifolia, 208, 209; longipes, 228; 



nigra, 228, 230, 231; Eastwoodiae, 



264; eastwoodiae, 264; glauca ovali- 



folia, 254; groenlandica, 254; her- 



bacea, 254 

 Sambucus, 207 

 Sanguinaria canadensis, 150 

 Sanguisorba canadensis, 170 

 Sapium, 241; aucuparium, 241 

 Sapodilla, The Botanical Name of the 



Wild, 128 



Sapota Achras, 12 



Sargasso Sea, 43 



Sargent, C. S., personal, 144 



Sarraceniaceae, 34 



Sarracenia purpurea, 34 



Sassafras, 198 



Sauerstofferreger, 26 



Saururus, 208; cernuus, 207, 208 



Saussurea, i; sausseria, i 



Saxifragaceae, 35, 255 



Saxifraga, 258; micranthidifolia, 35 



pennsylvanica, 35 

 Scaesia, 220 



Schenckia blumenaviana, 90 

 Schizosaccharomyces, 224 

 Schoney, L., 45 



School Biology, Relation of to Civics, 99 

 School, Science and Mathematics, 138, 



156, 242 

 Schwarze, C. A., personal, 248 

 Science, 43, 49, 70, 74, 80, 139, 140, 142, 



143, 202, 222, 247 

 Science Course, General, 242 

 Science Teaching, Bibliography of, 246 

 Scientific Spirit, The, 70 

 Scirpus, 231, 232; validus, 229 

 Scott's Evolution of Plants (review), 236 

 Scrophulariaceae, 255 

 Scutellaria lateriflora, 207 

 Seaver, F. J., 69; Stevens' Diseases of 



Economic Plants (review), 19; per- 

 sonal, 248 

 Second Species of Hernandia in Jamaica, 



A, 174 

 Sedum ternatum, 35 

 Seed Weight in Staphylea and Cladras- 



tis, 165 

 Selaginella, 65 

 Selaginellaceae, 237 

 ^Sempervivum tectorum, 35 

 Senecio lobatus, 229 

 Sequoia, 234 

 Serenoa serrulata, 11, 95 

 Shafer, J. A., personal, 22 

 Shaw, W. R., 17 

 Shear, C. L., personal, 76 

 Sherff, E. E., Tragopogon pratensis X 



porrifolius, 14 

 Sherwood, W. L., personal, 132 

 Shoemaker, F. H., 143 

 Shorter Notes, 15, 130, 152, 174, 264 

 Shreve, F., 245 

 Sibbaldiopsis tridentata, 170 

 Siebold's Day-lily, 6 

 Silene acaulis, 257 

 Sisyrinchium, 41 

 Sloanea emarginata, 129 

 Slossen, M., 155 

 Small, J. K., Additions to the Tree Flora 



of the United States, 11; personal, 75 



