INDEX 



Scrophularia, s 52, 85. 



Scrophulariaceae, s 83-85. 



Scrub Oak, s 65. 



Scutellaria s 75, 86. 



Sea-Lettuce, s 8. 



Sea-Mosses, 21-24, s 7-10. 



Sedum, 42, 44, 178, s 20, 118. 



Seed, 1 60. 



Seed Distribution, 25, 27, 60, 62, 



97, 102, 104, 105, 122, 129, 135- 



137, 154, 155, 159, 170, 180, 188, 



189, 203, 210, 211, s ii, 53, 54, 59. 



60-63, 67, 72, 74, 78, 80, 81, 87, 91, 



9 2 , 95, 96, 106, 107, no, 126, 127. 

 Seed-Leaves, 27-34, 61. See also 



Cotyledons. 

 Seedlings, 25-38, 61, 193, Fig. 20, 



p. 62, s 11-19. 

 Seed-Making, 87. 

 Seed Protection, 25, 27. See also 



Seed Distribution. 

 Sedges, 168, 170. 

 Selaginella, s 43, 44, 48. 

 Senecio, s 22, 76, 91. 

 Sepal, Definition of, 87, s 49. 

 Sequoia, 161, s6i, 99. See also "Big 



Tree" and Redwood. 

 Service Berry, s 113. 

 Sheep and Plants, 201, 203, s 22. 

 Shelf Fungus, 57, 59, Fig. 19, p. 



58, s 35, 36. 

 Shepherd's Purse, 175, 202, s 68, 



125. 



Shield Fern, 81, Fig. 28, p. 78, s 46. 

 Shooting Star, 95, 97, 181, 198, 



Fig. 35, P- 96, s 54. 

 Shrubs, 108, 109, 177, s 64, 65. 

 Shrubby Mimulus, 138, 139. 

 Silene, 194, Fig. 70, p. 195, s no, 



119, 125. See also Indian Pink. 

 Silver- Back Fern, 77, s 46. 

 Silver Fir, s 100. 



Sisyrinchium, 164, Fig. 61, p. 165 

 s 76, 123. See also Blue-Eyed 

 Grass. 



Skin, see Epidermis. 



Skull-Cap, s 75, 86. 



Skunk-Cabbage, s 104. 



Skunkweed, 207, s 126. 



"Sleeping" Positions, 64, s 38, 39. 



"Smilax," (Myrsiphyllum), 164,5 

 101, 121. 



Smut, 53, s 31. 



Snapdragon (Mimulus luteus), 138, 

 s 21. 



Snapdragon (Antirrhinum), 585. 



Snow- Berry, s 65, 115. 



Snow Plant, 51, 181, 198, s 120. 



Soap-Root, 64, 66, 164, 183, 184, 

 Fig. 22, p. 65, s 39, 116. 



Solanum Douglasii, 123, Fig. 47, 

 p. 122, s 21, 73, 114. See also 

 Nightshade. 



Solanaceae, s 69, 73, 113. 



Soldanella, s 120. 



Solidago, s 25, 90. 



Solitary Flowers, s 96. 



Sonchus, s 96. See also Sow- 

 Thistle. 



Sorghum, s 106. 



South America, 164, 179, s 115. 



Sow- Thistle, 202, 210, 211, Fig. 73, 

 p. 209, s 94. 



Spadiciflorae, s 104. 



Spanish Bayonet, see Yucca. 



Spanish Moss, s 103. 



Spanish Needle, 202, 210, s 92. 



Species, s 87. 



Speedwell, s 85. 



Spergula, s 125. 



Spermaphyte, s 42. 



Spermatozoids, s 42, 45. 



Sperm Cells, s 10, 50. 



Spinach, s no. 



