INDEX 



J8l 



Raspberry, 125 

 Rattle-weed, 145 

 Rasoumofskya, 74 

 Red-berry. 154 

 Red-bud. 135 

 Redwood, 45 

 Rein-orchis, 62. 63 

 Rhamnaccar. 153 

 Rhamnus, 154 

 Rhododendron. 1 78 

 Rhubarb. Indian, 1 16 

 Rhus, 151 

 Ribes, 121 

 Ribwort, 231 

 Rigiopappus, 259 

 Rock-brake, 35 

 Rock-fringe, 164 

 Rosa, 133 

 Rosaceae, 123 

 Rose, 133 

 Rose Family, 123 

 Rotala, 162 

 Rowan, 124 

 Rubiaceae, 231 

 Rubus, 125 

 Rudbeckia, 255 

 Rumex, 79 

 Rush Family. 49 

 Rutabaga, 107 



Sage. 210 

 Sagebrush, 261 

 Sage, Pitcher, 211 

 Sagina, 93 

 St. John's-wort. 159 

 St. Tohn's-wort Family, 



159 

 Salicaceae, 65 

 Salix, 66 

 Salvia, 210 

 Sambucus, 234 

 Sandalwood Family, 74 

 Sandwort, 92 

 Sanicula, 170 

 Santalaceae, 74 

 Sapindaceae, 153 

 Sarcodes, 177 

 Saxifraga, 115 

 Saxifragaceae, 115 

 Saxifrage, 115 

 Saxifrage Family, 115 

 Scheuchzeria, 48 

 Schmaltsia, 151 

 Scrophularia, 215 

 Scrophulariaceae, 213 

 Scutellaria, 208 

 Sedge Family, 48 

 Sedum, 114 

 Self-heal, 210 

 Selinum, 171 

 Senecio, 264 

 Sequoia, 45 

 Sericocarpus, 24S 

 Service Berry, 125 



Shad Bush, 125 

 Shepherd's Purse, 106 

 Shield-fern. 38 

 Shin-leaf, 175, 176 

 Shooting-star, 183, 184 

 Sibbaldia, 132 

 Sidalcea, 157 

 Silene, 88 



Silk Tassel Bush, 173 

 Silver-weed, 12S 

 Sisymbrium, 107 

 Sisyrinchium. 61 

 Skull-cap, 208 

 Skunk Cabbage, 51 

 Smilacina, 59 

 Snake-root, 170 

 Sneezeweed, 260, 261 

 Snowberry, 234 

 Snow-bush, 155 

 Snow Plant, 177 

 Soap Plant, 51 

 Solanaceae, 213 

 Solanum, 213 

 Solidago. 245 

 Solomon's Seal, 59 

 Sonchus, 269 

 Sorbus, 124 

 Sorrel. 79. 80 

 Sow-thistle, 269 

 Sparganiaceae, 47 

 Sparganium, 47 

 Spearmint, 213 

 Specularia, 238 

 Speedwell, 225, 226 

 Sphacele, 211 

 Spice-bush, 101 

 Spice-wood, 101 

 Spiraea, 124 

 Spiranthes, 64 

 Sptrea, 124 

 Spleenwort. 36 

 Spraguea, 88 

 Spurge, 150. 151 

 Spurge Family. 150 

 Squaw Bush, 152 

 Squaw Carpet, 155 

 Stachys. 210 

 Staphylea. 152 

 Staphyleaceae, 152 

 Star-flower. 184 

 Star-of-Bethlehem, 120 

 Star Tulip, 57 

 Stellaria, 90 

 Stellariopsis. 131 

 Stephanomeria, 268 

 Stonecrop, 114 

 Stonecrop Family, 113 

 Storksbill, 149 

 Strawberry, 126 

 Streptanthus, 112 

 Stropholirion, 54 

 Subularia. 106 

 Sulphur Flower, 77 

 Sumach, 151 



Sumach Family, 151 

 Sundew, 112 

 Sundew Family, 112 

 Sunflower, 256 

 Sunflower Family, 239 

 Sweertia, 187 

 Sweet Cicely, 1 70 

 Sweet-gale Family, 60 

 Sweet-scented Shrub, in I 

 Sword-fern, 37 

 Symphoricarpos, 234 

 Syringa, 121 

 Syrmatium, 145 



Taraxacum, 259 

 Tarweed, 257, 258 

 Tarwecd, 133 

 Taxaceae, 46 

 Taxus, 47 

 Tellima, 120 

 Thalictrum, 95 

 Thimble Berry, 125 

 Thistle, 267 

 Thysanocarpus, 105 

 Timber-line, 4 

 Toad-flax. Bastard, 74 

 Tobacco, 213 

 Tocalote, 266 

 Tofieldia, 50 

 Torreya, 47 

 Toxicodendron, 151 

 Transition Zone. 2 

 Trichostema. 208 

 Trientalis, 184 

 Trifolium, 139 

 Triglochin, 47 

 Trillium, 60 

 Troximon, 269 

 Tsuga, 44 

 Tulip, 57 

 Tumble Weed, 84 

 Twayblade, 65 

 Twinberry, 235, 236 



Umbelliferae, 170 

 Umbellularia, 101 

 Upper Coniferous Belt, 3 

 Upper Sonoran Zone, 2 

 Urtica, 73 

 Urticaceae, 73 

 Utricularia, 230 

 Uva-ursi, 180 



Vaccinium. 181 

 Vagnera, 59 

 Valerian, 236 

 Valeriana, 236 

 Valerianaceae, 236 

 Valerianella, 237 

 Valerian Family, 236 

 Valerian, Greek, 191 

 Venus Looking-glass, 238 

 Veratrum. 51 

 Verbascum, 214 



