96 



Sierra Club Publications. 



Sequoia " 



Service Berry 37 



Shasta Fir ii 



Shepherd's Purse 28 



Shield-Fern 6 



Shooting-Stars 54 



Sibbaldia 38, 42 



Sidalcea 31 



Silene 21, 22 



Silk-Tassel Bush Family 8 



Silk-Tassel Tree Family 50 



Silkweed 55 



Sisymbrium 28, 29 



Sisyrinchium 16 



Sitanion 13 



Skull-cap 77 



Slippery Elm 31 



Small Sugar Pine 12 



Snap-dragon 57 



Sneeze-weed 82 



Snowberry So 



Snow Bush 34 



Snow Plant 52, 54 



Solanacese 56 



Solanum 56 



Solidago 82, 87 



Spanish Bayonet 14 



Speedwell 57 



Sphenosciadium 48, 49 



Spice-wood 25 



Sporobolus 13 



Spraguea 24 



Stachys 78, 79 



Stellaria .. 21, 22, 23 



Stinging Phacelia 75 



Stipa 13 



St. John's-Wort 32 



St. John's-Wort Family 9, 32 



Stonecrop . 34 



Stonecrop Family 9, 34 



Strawberry 38 



Streptanthus 28, 30 



Sugar Pine 12 



Sunflower 82 



Sunflower Family 11, 82 



Swamp Iris 15 



Swamp Onion . 14 



Symphoricarpos 80, Si 



Tar-weed 83 



Tea-Fern 4 



Tellima 34> 35 



Thalictrum 25 



Thistle 83 



Thysanocarpus 28 



Tidy-tips 83 



Tiny Tar- weed 83 



Tobacco 56 



Tobacco Family 10 



Tofieldia . 15 



Tower Mustard 30 



Trichostema 78, 79 



Trifolium 42, 43 



Trisetum 13 



Tsuga 12 



Umbelliferse 48 



Umbellularia 25 



Vacciniacese 51 



Vaccinium 51 



Valley Oak 17 



Veratrum 15 



Verbena 77 



Verbenacese 77 



Verbena Family 77 



Veronica 57, 67 



Vervenia 73 



Vetch 42 



Vicia 42, 44 



Viola 32 



Violaceae 32 



Violet Family 9. 32 



Washingtonia 48, 49 



Water-Leaf 72 



White Fir 11 



White Forget-Me-Not 76 



White Pine 12 



White Violet 28, 82 



Whitneya 82, 84 



Wild Buckwheat . . 19 



Wild Currant 37 



Wild Onion 13 



Wild Pea 42 



Wild Rose 38 



Willow Family 8, 17 



Willow-herb 45 



Winter Cress 28 



Wintergreen 52 



Wood-Rose 39 



Woodsia 7 



Wood Star 34 



Wormwood 83 



Woundwort 78 



Wyethia 82, 88 



Yellow Pine 12 



Yucca 14 



Zygadenus 15 



