236 Spring Flora of Oklahoma 
Salsify ___ _183 
Salicaeeae__ 18 
Salix__ 19 
Salvia__154 
Sambucus - 114 
Samolus__128 
Santalacese_ _ 33 
Sandalwood Family _ 33 
Sand Grape - 106 
Sanicula _ 122 
Sandwort, Pitcher’s - 43 
Sapindacese 103 
Sapindus__103 
Scarlet Gaura _120 
Scarlet Maple _101 
Scarlet Painted Cup _166 
Schmaltzia _ 91 
Scrophulariacese _ 161 
Scutellaria__152 
Sea-side -^Heliotrope _._._145 
Sedum__^- 58 
Self Heal _ 153 
Sensitive-brier__ 66 
Senna Family _ 67 
Senecio,_ _203 
Serinia__182 
Shaggy False Gromwell _147 
Sharp-leaved Beard-tongue _164 
Shepherd’s-purse_ _ 53 
Sheep Sorrel - 35 
Short-fruited Whitlow-grass _ 51 
Showy* Gaillardia -202 
Showy Milkweed -136 
Short’s Milk Vetch _ 80 
Showy Primrose _117 
Short-podded Primrose _ 118 
Short-stemmed Spiderwort _ 3 
Short-stalked Chickweed _ 41 
Shooting Star _129 
Shrubby Buckeye _102 
Sickle-fruited Hoffmstfnseggia _ 68 
Sideranthus _ 188 
Silene — _ 43 
Silver Maple _ 101 
Silver-leaved Nightshade _160 
Silver-leaf Psoralea _ 77 
Silky Sophora _ 72 
