INDEX 



3i3 



radicans, 231 

 toxicodendron, 231, 

 229 



radicans, 232 

 typhina, 228, 229 

 laciniata, 230 

 vernix, 230, 231 



Ribes, 185, 187, 189 

 aureum, 192 

 Cynosbati, 186, 187 

 floridum, 192, 187 

 gracile, 188, 187 

 grossularia, 186, 187 

 hudsonianum, 191, 

 189 



lacustre, 190, 192 

 missouriense, 188 

 oxyacanthoides, 188, 

 187 



prostratum, 190, 189 

 rubrum, 190, 191 

 triste, 190, 189 

 uva-crispa, 186 

 vulgare, 191, 189 



River-bank Grape, 203 

 Birch, 250 



Robinia, 175 



hispid a, 177, 176 

 pseud-acacia, 176 



Rock Elm, 74 



Rosa, 134 



acicularis, 137, 139 

 arkansana, 138, 137 

 blanda, 138, 137 

 centifolia, 145 

 cinnamomea, 141 

 eglanteria, 144 

 Engelmanni, 139 

 Fendleri, 140 

 foetida, 144, 143 

 gallica, 145, 143 

 multiflora, 136, 143 

 pratincola, 138 

 rubiginosa, 142, 143 

 rugosa, 142, 143 

 Sayi, 139 

 setigera, 136, 143 

 spinosissima, 144, 143 

 Woodsii, 140, 137 



Rosaceae, 118 



Rosales, 118 



Rose, 134, 145 



Rose Acacia, 177 



Rose Family, 118 



Rose Order, 118 



Round-leaved Dogwood, 

 271 



Rowan Tree, 150 



Rubiaceae, 275 



Rubiales, 275 



Rubus, 121, 124, 125 



allegheniensis, 126, 

 124 



amabilis, 126 

 canadensis, 126, 124 

 canadensis, 124 

 idaeus, 123 



aculeatissimus, 

 123 

 nigrobaccus, 126 

 nitikanus, 122 

 occidentalis, 123, 125 

 parviflorus, 122 

 procumbens, 124 

 strigosus, 123, 125 

 villosus, 124, 125 

 villosus, 1 26 



Rue Family, 80 



Russian Mulberry, 80 



Rum Cherry, 164 



Russian Olive, 211 



Rutaceae, 80 



Sabina, 38, 36 



horizontalis, 40, 39 

 prostrala, 40 

 virginiana, 38, 36, 37 



Sage-brush, 297 



Salicaceae, 53 



Salisburia adiantifolxa, 44 



Salix, 59, 62, 65, 69 

 alba, 67, 69 

 amygdaloides, 67, 65 

 babylonica, 63, 62 

 balsamifera, 64, 65 

 bebbiana, 70 

 Candida, 68, 69 

 cordata, 64, 62 

 discolor, 66, 65 

 fluviatilis, 61, 62 

 humilis, 70, 69 

 longi folia, 61 

 lucida, 63, 62 

 myrtilloides, 64, 62 

 nigra, 67, 65 

 petiolaris, 66, 65 

 purpurea, 63, 62 

 rostrata, 70, 69 

 sericea, 66, 65 

 tristis, 68, 69 

 viminalis, 68, 69 



Salmon Berry, 122 



Sambucus, 278, 279 

 canadensis, 279 

 pubens, 278 

 racemosa, 278, 279 



Sandbar Willow, 61 



Sand Cherry, 168 



Sapindaceae, 216 



Sapindales, 215 



Savin, 38 

 Saxifragaceae, 181 

 Saxifrage Family, 181 

 Scarlet Oak, 262 



Quince, 146 



Sumac, 230 

 Scotch Fir, 33 



Pine, ii 



Rose, 144 

 Scrophulariales, 116 

 Service-berry, 150, 151 

 Shadbush, 151 

 Shagbark Hickory, 238 

 Shellbark Hickory, 238 

 Shepherdia, 211, 212 



argentea, 213, 212 



canadensis, 212 

 Shrubby Bittersweet, 196 



Cinquefoil, 120 



Trefoil, 82 

 Shoestrings, 179 

 Siberian Crab, 160 



Lilac, 112 



Pea-tree, 180 

 Silky Cornel, 271 



Willow, 66 

 Silver-berry, 211 



Leaf, 54 



Maple, 225 

 Simarubaceae, 83 

 Slender Willow, 66 

 Slippery Elm, 74 

 Small Cranberry, 103 

 Smaller Redroot, 201 

 Smilacaceae, 298 

 Smilax, 300, 299 



herbacea, 300, 299 



hispida, 301, 299 



pulverulenta, 300 



rotundifolia, 301, 299 

 Smilax Family, 298 

 Smooth Gooseberry, 188 



Wild Rose, 138 

 Snapdragon Order, 116 

 Snowberry, 284, 286 

 Soapberry Family, 216 

 Soft Maple, 225 

 Solanaceae, 106 

 Sorbaria, 132 



sorbifolia, 132, 133 

 Sorbus, 147 



americana, 148, 149 



aucuparia, 150, 149 



sambucifolia, 148, 149 

 Soulard's Crab Apple, 162 

 Sour Cherry, 168 

 Speckled Alder, 256 

 Spiraea, 130, 131 



arguta, 130, 133 



Bumalda, 130, 131 



