44-4 



INDEX. 



Sage-brush, 382 

 Sagina, 130 

 Sagittaria, 14 

 Salicace^e, 91 

 Salicales, 91 

 Salicornia, 119 

 Salix, 92 



Salmon-berry, 180 

 Salomonia, 85 

 Salsify, 403 

 Salsola, 120 

 Salt-grass, 40 

 Salt-wort, 120 

 Salt-wort, Black, 263 

 Salvia, 298 

 Salviniales, s 

 Sambucus, 323 

 Sandal-wood Family, 101 

 Sand-bur, 22 

 Sand-foin, 216 

 Sand-grass, 32, 37 

 Sand Lily {Toiiterea) 

 Sand Puffs (Abronia) 

 Sand-spur, 22 

 Sand Spurry, 132 

 Sandwort, 130, 131 

 Sanicula, 251 

 Santalace^, 1 01 

 Santalales, 100 

 Sapindales, 225 

 Saponaria, 134 

 Sarcobatus, 119 

 Savastana, 23 

 Savins, 9 



Savin, Trailing, 10 

 Saxifraga, 173-175 

 Saxifragace^, 170 

 Saxifrage, 173 

 Saxifrage, Golden, 171 

 Saxifrage Family, 170 

 Scheuchzeriace^, 14 

 Schedonardus, 36 

 Schizachyriiim, 19 

 Schkuhria, 277 

 Schleropogon, 37 

 Schmaltzia, 226 

 Schccnocrambe, 157 

 Schrankia, 194 

 ScirpHs, 58 



Scorpion-weed (Phacelia) 

 Scrophularia, 305 

 Scullcap, 296 

 Scurvy-grass, 160 

 Scutellaria, 2g6 

 Sea Elite, 119 

 Sea Milkwort, 264 

 Sea-purslane, 124 

 Sedge, 60 

 Sedge Family, 57 

 Sedum, 170 



Seed-bearing Plants, 7 

 Sego Lily, 85 

 Sclaginella, 6 



SELAGlNELLACEiE, 6 



Selaginella Family, 6 



Self-heal, 297 



Scnecio, 389 



Senecionide^, 387 



Senna Family, 194 



Sensitive-brier, 194 



Service-berry (Amelanchier) 



Sessuviuni, 124 



Setaria, 22 



Shepherdia, 239 



Shepherd's Purse, 153 



Shooting Star, 263 



Shrubby Cinquefoil, 187 



Sibbaldia, 187 



Sida, 231 



Sidalcea, 229 



Sideranthus, 343 



Sieversia, 188 



Silene, 132 



Silkweed, 270 



Silver-leaf, 1^6 



Silver Plant {Eriogonum) 



Sinapis, 160 



Sisymbrium, 157 



Sisyrinchiuni, 86-159 



Sit anion, 55 



Slum, 254 



Skeleton-weed (Lygodesmia) 



Skunk-cabbage, 76 



Skunk-grass, 38 



Skunk-weed {Polemonium ) 



Slough-grass, 35 



Smart-weed, iii 



Smelowskia, 153 



Smilacace^, 86 



Smilacina, 84 



Smilax, 86 



S mil ax, 86 



Smilax Family, 86 



Snake-root, 251 



Snapdragon (Mimulus) 



Sneeze-weed, 381 



Snow-ball, 323 



Snow-berry, 323 



Snow-on-the-mountain, 224 



Soap-weed (Yucca) 



S0LANACE.E, 300 



Solanuin, 302 



Solidago, 346 



Solomon's Seal (Salomonia), 85 



Solomon's Seal, False, 84 



Sonchus, 41 1 



Sophia, 157 



Sophora, 196 



Sophore^, 195 



Sorbiis, 193 



