INDEX 
Schneider, Albert, 12, 54, 71, 84, 91, 109, 
aan S44 SS el AGy GOL Os pion lito, 
Schoeller, Jacob 1D a 
Schrader, Heinrich Adoiph §&., 67. 
Serewhean (Strombocarpa; S. odorata), 8, 
dwarf (S. cinerascens), 77. 
Scrophulariaceae, 10, 143-144. 
Securingea, 93. 
Seed(s), dissemination, 82, 102. 
edible, 11, 34, 87, 94, 96, 105, 107, 141, 
179. See also Nuts. 
ornamental, 8&6. 
poisonous, 37, 86, 88, 89, 94, 104, 118. 
Seepweed (Dondia), 36. 
Seepwillow (Baccharis glutinosa), 158. 
7Selenicereus grandifiorus (queen-of-the- 
night), 118. 
Seneca-snakeroot (Felyaala senega@), 
Senecio (groundsel), 8, 17 
jilifolius. See s. ianeastae: 
longilobus, 176. 
spartioides, 176. 
Senecioneae, 176-177. 
Senna family. See Cassia family. 
*Sensitiveplant (Mimosa pudica), 8 
family. See Mimosa family. 
Sequoia National Forest, 143. 
Sericotheca (rockspirea), 7, 58-59, i180. 
discclor (creambush), 58, 59. 
discolor ariaefolia (oceanspray), 58, 59. 
dumosa (bush r.), 58. 
Serviceberry (Amelanchier), 7, 43, 46, 50, 53, 
60-63, 68, 99, 100, 126, 133, 148, 150. 
alderleaf, 60. 
cluster (A. polycarpa), 62—63. 
common (A. alnifolia), 60—62. 
flowering, 62 
mountain (A. oreophila), 62. 
Pacific (A. florida), 62. 
redbud (A. rubescens), 63. 
showy, 62. 
Utah (A. utahensis), 63. 
Shadblow, 60. 
See ibeale (Atriplex confertifolia), &, 30-31, 
(Atriplex canescens), 28 
Shafer, John Adolph, 187. 
es H. L., 2, 34, 36, 45, 167, 1689, 
Shasta National Forest, 19, 38. 
Sheathfiower, 155. 
Sheepberry, 153. 
Shellac, 71, 91. 
Shinn, Charles Howard, 71, 186. 
Shinneries, 20, ,» 24, 
Shittimwood, 113. 
Shoemack, 121, 
Shoemaker, David A., 4. 
Shoestrings, 83. 
Shoots, 67. See Root shoots. 
Shreve, Edith B., 164, 186. 
Shrub, buckwheat, 28. 
scurfy, 119. 
strawberry. See Strawberry-shrub. 
Ssweet-scented, 37. 
Sibbaldia, 7 
Sickness. See Poisonous species. 
Sideranthus, 156. 
Sierra Nevada, TI) RY ea Dostish) Gyn), Se 
105, 107, 108, TOSS. 126. 128) 13t: 
foo, loo LOO 1G. Ltt. 
Silage, IE wiley 89. 
Silk flower (Calliandra), 8, 73. 
Silktassel (Garrya), 121-122. 
Frémont (G. fremontii), 121. 
Goldman (S. goldmanii), 122. 
tree, 
Wright (G. wrightii), 122. 
yellowleaf (G. fiavescens), 121. 
TSilktree, 73. 
Silverberry (Elaeagnus commutata), 118-119. 
family, 118-119. 
Silverbush, 118. 
27259 °—31——_14 
180, 
209 
Simaroubaceae, 116. 
Simmondsia californica (jojoba), 5, 9, 94, 95, 
103, 111, 179. 
Simsia, 164. 
Siskiyou Mountains, 23. 
Sisters, twin, 
Sitgreaves National Forest, 163. 
Skeletonplant (Lygodesmia), 8, 177-179. 
rush (L. juncea), 178—179. 
thorn (L. spinosa), 179. 
Skeletonweed. See Skeletonplant. 
Skin, plants irritant or poisonous to, 97. 
Skunkberry, 146. 
Skunkbush, 131. 
Small, John Kunkel, 189. 
Smith, bay Ibe ce 
Smith, Jared’ Ge SID ae 28s eoOn so wmets 
154, 170, 175, 186. 
Smith, Leland S24 LO TATE Slyaee 
Smoke-tree, 85. 
Snake River drainage, 134. 
Snakeroot, white (Hupatorium urticaefo- 
lium), 156. 
Snakeweed (Gutierrezia), 8, 163-164. 
(Franseria deltoidea), 154. 
broom (G. sarothrae), 163. 
threadleaf (G. microcephala), 164. 
Sneezeweed tribe, 166. 
Snowball (Viburnum spp.), 153. 
(Cephalanthus occidentalis), 
Snowbell ‘(Styrax), 136. 
California (S. californica), 136. 
family, 136. 
Snowberry (Symphoricarpos spp.), 9, 65, 99, 
149-152. 
common (S. albus), 151-152. 
mountain (S. oreophilus), 150—151- 
roundleaf (S. rotundifolius), 152. 
spreading (S. mollis), 152. 
western (S. occidentalis), 152. 
whortleleaf (S. vaccinioides), 152. 
Snowbrush (Ceanothus velutinus), 62, 69, 109, 
110, 138. 
Soapberry (Sapindy) 104. 
Drummond, 
family, 102— ios, 
western (S. drummondi), 104. 
Soapbloom (Ceanothus spp. sec. 
thus), 104, 105, 109 .110. 
Fendler G fendleri), 109, 102: 
Martin (C. martini), 109. 
red (C. sanguineus), 110. 
whitebark (C. divaries(e)> 109. 
Soap-plant, Indian, 
Scapweed (Yucca Hee 14, 15. 
small (¥. glauca), 14, 15 
Sodium carbonate, 34. 
chloride, 30. 
salts, 395. 
Soil(s), acid, 9565, 12i5 22 SO ts tees 
URS, Wy, 
adobe, 34, 165. 
alkali(ne), 8, Psy BAUS Gl, BBR, B%s, SL 
36, 142-5155) 156; 150, 160) 16iestGs: 
UG, 
basaltic, 133. 
calcareous, 172. 
cindery, 53. 
disintegrated lava, 167. 
eu auiule, 50; G3, 70; 03,.9%, 133) 144, 
145. 
Euceano- 
See Soils, limestone. 
gumbo, 30. 
humus, 34, 46, 48. See Hummus, 
igneous, 50, 55, 167. 
impoverished, 86. 
lava, The 
limestone, 50, 55, 88, 97, 98, 100, 103, 
104, 167. 
peaty, 57, 131, 133, 136. 
renovators, 86. 
Saline, 8, 97, 28, 30, 31, 32, 36, 167. 
serpentine, 133. 
volcanic, 50. 
Solanaceae, 142-143. 
Soopolallie, 119. 
Soopoo-lalia, 119. 
