178 



Rhamnus alnifolia, 104 



Rhexia, virginica, 70, 124, 165 



Rhinodina orcina, 78 



Rhizocarpon ignobile, 76 



Rhodendron catawbiense, 68; indi- 

 cum, 154; maximum, 67, 79 



Rhoeo discolor, 25 



Rhus glabra, 124; radicans, 110; toxi- 

 codendron, 16, 124; typhina, 124 



Ribes prostratum, 68 



Robbins, W. W., 169 



Robinson, B. L„ 108 



Rodda, John Landon, 138 



Romell, L. G., Types of Humus 

 Layer in the Forests of North- 

 eastern United States, review, 13 



Rosa arkansas, 96; blanda, 123; Caro- 

 lina, 96, 123; rudiuscula, 96 



Rubus phoenicolasius, 123; specta- 

 bilis, 113; strigosus, 68; villosus, 

 123 



Rudbeckia hirta, 127 



Rumex acetosella, 121; crispus, 121; 

 verticillatus, 121 



Rusk, Hester ML, Arthur H. Graves 

 and, A Teaching Guide to the 

 Trees and Shrubs of Greater 

 New York, review, 162 



Rydberg, P. A., 19, 21 



Rydberg's Flora of the Prairies and 

 Plains, review, 130 



Sabal adansoni, 36 



Salix caprea, 96; cinerea, 96; vimin- 



alis, 96 

 Sambucus canadensis, 126; racemosa, 



68, 75 

 San Francisco bay region, Plants re- 

 cently established in, Ira L. 



Wiggins, 3 

 Saponaria officinalis, 121 

 Sassafras officinale, 67, 110; varii- 



folium, 75 

 Saunders, Helen E., 137 

 Saxifraga micranthidifolia, 68; vir- 



giniensis, 136, 144, texens is, 144 

 Schnell, Tillie, 106 

 Schulz, E. D., Cactus Culture, review, 



133 



Schwartz, Miss Ethel S., 19 



Scrophularia lanceolata, 132; lepor- 

 ella, 132 



Scutellaria leteriflora, 125 



Seaver, Fred J., 26 



Sedum nevii, 68; oregonum, 113 



Sefferien, Mary L., Wild flowers of 

 the Spuyten-Duyvl and River- 

 dale sections of New York City, 

 119 



Selaginella densa, 118; rupestris, 68; 

 scopulorum, 118; selaginoides, 

 118 



Senecio antennarifolius, 69 



Seward, A. C, 106 



Sharp, Lester W., 28 



Shouse, Samuel S., 49 



Shreve, F., The Cactus and its Home, 

 review, 43 



Shull, George, 108 



Silene latifolia 122; noctiflora, 122; 

 oraria, 148; pennsylvanica, 17, 

 69 ; pulverulenta, 148 ; stellata, 122 



Silphium perfoliatum, 70 



Singerman, Joseph, 24 



Sinnott, Edmund W., 50, 102 



Sisrynchium angustifolium, 121 



Skutch, Alexander T., Observations 

 on the flower behavior of the 

 Avocado in Panama, 85; Pollina- 

 tion of the palm Archonto- 

 phoenix Cunninghamii, 29 



Small, John A., 138 



Smilacina racemosa, 121 



Smilax herbacea, 121; rotundifolia, 

 110, 121 



Smith, Dorothy, 107 



Solanum Dulcamara, 126; nigrum, 126 



Solidago bicolor, 127; caesia, 127 

 canadensis, 127; juncea, 127 

 graminifolia, 127; rugosa, 127 

 sempervirens, 169; serotina, 127 

 speciosa, 127 



Spartinia cynosuroides, 169 



Species, What is a?, T. D. A. Cocker 

 ell, 95 



Specularia perfoliata, 126 



Sphagnum fimbriatum, 20; palustre, 

 20 



