INDEX 



285 



Page 



Shagbark, Little (Hicoria ovalis odorata) 58 



Shagbark, Little (Hicoria ovata nuttallii)--- 55 



Shagbark, Littlenut 55 



Shagbark. Xarrowleaf — ^ 



Shagbark Walnut.. - 54 



Shasta Cypress - -- %' 



Shasta Fir. - 32 



Shasta Red Fir 32 



Shawneewood - -- 232 



She Balsam 20 



She Balsam Fir. 29 



She Oak - 49 



She Pine 23 



She Pitch Pine 23 



Sheep Laurel 216 



Sheepberry (Viburnum lentago) 236 



Sheepterry (Viburnum prunifolium) 236 



Shellbark (Hicoria laciniosa) 55 



Shellbark ''Hicoria ovata) --- 54 



Shellbark, Bie 55 



Shellbark. Bottom 55 



Shellbark Hickory (Hicoria laciniosa) 



Shellbark Hickorv (Hicoria ovata) 54 



Shellbark Norway 16 



Shellbark, Southern 55 



Shellbark, Thick.. 



Shellbark, Western . 55 



Shellbark-tree 54 



Shin Oak (Quercus annulata). 102 



Shin Oak (Quercus cinerea) 95 



Shin Oak (Quercus durandii) 102 



Shin Oak (Quercus mohriana) 102 



Shin Oak (Quercus ondttlata) HI 



Shin Oak (Quercus vaseyana) --- 102 



Shining Sumach. 180 



Shining Willow 



Shingle Oak... 96 



Shinglewood 36 



Shiny Willow 71 



Shittimwood (Bumelia lanuginosa).. 220 



Shittimwood (Rhamnus purshiana) 199 



Shoe-peg Maple 190 



Shore Pine IS 



Shortleaf Black Spruce 21 



Shortleaf Pine (Pinus echinata).. 21,240 



Shortleaf Pine (Pinus rigida) 20 



Shortleaf Pine (Pinus taeda). 19 



Shortleaved 20 



Short-leaved Fig.. 118 



Shortleaved Pine 21 



Shortleaved Yellow Pine 21,240 



Shortshat Pine (Pinus echinata).. 21 



Shortshat Pine (Pinus virginiana) 20 



Short Shucks. 20 



Shortstraw Pine 19 



Shrub Oak. 110 



Shrubby Maple. 1ST 



Shrubby Treefoil 174 



Shumard Red Oak 8-5 



Siderocarpos. 163 



Siderocarpos flexicaulis. 163 



Sideroxylon 219 



Sideroxylon foetidissiraum... 219 



Sideroxylon mastichodendron 219 



Sideroxylum 219 



Sierra Blanca Yucca 48 



Sierra Brownbark Pine 17 



Sierra Juniper 42 



Sierra Live Oak. 97 



Sierra Redbark Pine.. 17 



Silk-oak... 118 



Silktree 164 



Silk-tassel Bush 215 



Silk Tassel-tree (Albizzia julibrissin) 164 



Silk-tassel Tree (Garrya elliptica) 215 



Silktop Palmetto 45 



Silky Oak 118 



Silky Willow (Sato sitchensis) 74 



Silky Willow (Salix sitchensis angustifolia).. 74 



Silver Birch (Betula lutea) 76 



Silver Birch (Betula papyrifera)... 77 



Silver Chain m 



Silver Fir (Abies amabilis) 31,241 



Silver Fir (Abies concolor). 31 



Silver Fir (Abies grandis) 31 



Silver Maple 190,242 



Silver Oak (Fremontia californica). 207 



Silver Oak (X Quercus mellichampii) 88 



Page 



Silver Pine (Abies balsamea) 29 



Silver Pine (Pinus sabiniana) 18 



Silver Poplar 67 



Silver Spruce (Picea engelmannii) 26 



Silver Spruce (Picea pungens) 26 



Silver Spruce (Picea sitchensis) 26,240 



Silver Thatch 45 



Silver Thatch-palm.. 45 



Silver Tree 223 



Silver Willow (Salix discolor) 72 



Silver Willow (Salix sitchensis).. 74 



Silverbell (Halesia Carolina) 223 



Silverbell (Halesia Carolina meehanii) 223 



Silverbell (Halesia Carolina mollis) 223 



Silverbell. Little. 223 



Silverbell, Meehan 223 



Silverbell, Mountain (Halesia monticola) 223 



Silverbell, Mountain (Halesia monticola 



vestita) 223 



Silverbell Tree (Halesia Carolina) 223 



Silverbell Tree (Halesia diptera)... 224 



Silverbell, Two-wing 224 



Silver-leaf... 122 



Silverleaf Poplar. 205 



Silverleaf Willow 71 



Silver-leaved Maple 190 



Silverleaved Poplar 67 



Silver-top Palmetto (Coccothrinax jucunda). 45 



Silver-top Palmetto (Thrinax microcarpa)... 45 



Silvicolae 142 



Simarouba... 176 



Simarouba glauca 176 



Simarouba medicinalis 176 



Simaroubaceae 176 



Simmon 222 



Single Spruce (Abies balsamea). 29 



Single Spruce (Picea glauca) 2i 



Single-leaf 15 



Single-leaf Ash 225,226 



Single-leaf Pine... 15 



Singleleaf Piuon 15 



Sir Joseph Bank"s Pine 22 



Siskivou Spruce 26 



Sitka Alder.... 79,80 



Sitka Cvpress.. 38 



Sitka Spruce... 26,240 



Sitka Willow _ 74 



Skewerwood 185 



Skunk Spruce 25 



Slash Pine (Pinus caribaea) 22,23,240 



Slash Pine (Pinus echinata). 21 



Slash Pine (Pinus taedaj... 19 



Slender Willow 71 



Slick Oak 88 



Slick-bark Oak.. 88 



Slippei-v Elm (Fremontia californica;.. 207 



Slippery Elm (Ulmus fulva) 112. 242 



Sloe 'Prunus americana) 155 



Sloe (Primus spincsaj... 156 



Sloe (Prunus umbellata.) 158 



"ihurnum prunifolium) 236 



Sloe, Allegheny. 1-58 



Sloe. Black (Prunus umbellata) 158 



Sloe, Black (Prunus umbellata injucunda)... 158 



Sloe, Black (Prunus umbellata tarda; 158 



Slow-wood 220 



Small Laurel.. 216 



Small Maneolia. 120 



Small Pignut (Hicoria ovalis odorata) 58 



Small Pignut (Hicoria ovata nuttallii). 55 



Small Pignut Hickory. 55 



Small Viburnum 237 



Small White Birch. 77 



Small-coned Monterev Pine 19 



Small-fruited Thorn 151 



Small-leaved Elm (Ulmus alata) 112 



Small-leaved Elm (Ulmus crassifolia) 112 



Smallseed White Ash. 227 



Smoke-tree (Cotinus americanus) 179 



Smoke Tree (Dalea spinosaj. 170 



Smoketree, American 179 



Smoke-tree, Wild 179 



Smoking Bean.. 232 



Smooth Ash. 229 



Smooth Buckeye 193 



Smooth Cypress 38 



Smooth Oregon Ash 229 



Smooth Sumac 180 



Smooth Sumach 180 



