INDEX 



197 



Senebiera, 68. 

 Senecio, 184. 

 Senecionidese, 163, 183. 

 Sequoia, 15. 

 Service Berry, 87. 

 Shepherd's Purse, 69. 

 Shooting Stars, 125. 

 Sidalcea, 106. 

 Silene, 55. 



Silk-tassel Bush Family, 120. 

 Silkweed, 129. 

 Silvery Cinquefoil, 85. 

 Silybum, 185. 

 Sisyrinchium, 38. 

 Skullcap, 142. 

 Skunk Cabbage, 23. 

 Skunkweed, 131. 

 Slippery Elm, 107. 

 Small Sugar Pine, 18. 

 Small Tiger Lily, 28. 

 Smartweed, 49. 

 Smilacina, 34. 

 Snakeroot, 118. 

 Sneezeweed, 181. 

 Snowberry, 156. 

 Snow-bush, 104. 

 Soap Plant, 33, 50. 

 Soapweed, 30. 

 Solanacese, 145. 

 Solanum, 145. 

 Solidago, 170. 

 Sonchus, 166. 

 Sorbus, 89. 

 Sorrel, 48. 

 Sour Grass, 48. 

 Sow Thistle, 166. 

 Spanish Bayonet, 30. 

 Speedwell, 147. 

 Spergula, 57. 

 Spergularia, 57. 

 Sphacele, 140. 



Spice Wood, 64. 

 Spikenard, 117. 

 Spiny Chaparral, 90. 

 Spiraea, 82. 

 Spiranthes, 39. 

 Spraguea, 54. 

 Spruce, 16. 

 Spurge, 99. 

 Spurge Family, 99. 

 Squaw Bush, 101. 

 Squaw-carpets, 105. 

 Stachys, 143. 

 Stanfordia, 72. 

 Stanleya, 73. 

 Star-eyed Grass, 38. 

 Star-flower, 126. 

 Star Thistle, 185. 

 Statice, 127. 

 Steironema, 126. 

 Stellaria, 56. 

 Stephanomeria, 165. 

 Stonecrop, 74. 

 Stonecrop Family, 74. 

 Strawberry, 86. 

 Streptanthus, 72. 

 Streptopus, 35. 

 Strophilirion, 26. 

 Sugar Pine, 18. 

 Sumac, 100. 

 Sun Cups, 112. 

 Sun Dial, 90. 

 Sunflower, 176. 

 Sunshine, 179. 

 Sweet Clover, 91. 

 Sweet-in-death, 63. 

 Sweet Shrub Family, 80. 

 Symphoricarpos, 156. 

 Syringa, 79. 



Tanbark Oak, 45. 

 Taraxacum, 166. 



