princewood, 5: 202 
rapanea, Florida, 5: 236 
raspberry, American red, 2: 53 
redbay, 4: 92; 5: 98 
redbud, California, 3: 39 
redbud, eastern, 3: 38-N, 
38-SW; 4: 33-N, 33-NE, 
33-SE; 5: 43 
redcedar, eastern, 1: 31-W, 
31-E; 5: 3 
redcedar, southern, 1: 29-E; 
5: 2 
redcedar, western, 1: 90-W, 
90-N; 2: 11 
redwood, 1: 81-W 
rhododendron, Catawba, 4: 
118 
rhododendron, Pacific, 3: 152 
rhododendron, rosebay, 4: 119 
rosebay, Lapland, 2: 74 
rose, prickly, 2: 51 
rose, Nootka, 2: 52 
royalpalm, Florida, 5: 239 
saffron-plum, 3: 23-N, 
23-SW; 5: 171 
sagebrush, big, 3: 21-NW, 
21-SW 
saguaro, 3: 44 
salal, 2: 69 
salmonberry, 2: 55 
sapium, jumping-bean, 3: 190 
sassafras, 1: 191-E; 5: 138 
satinleaf, 5: 181 
satinwood, West Indies, 5: 
256 
saw-palmetto, 4: 137; 5: 139 
scarletbush, 5: 213 
seagrape, 0: 185 
sequoia, giant, 1: 82-W 
serviceberry, downy, 4: 11-N, 
11-NE, 11-SE; 5: 2] 
serviceberry, inland, 4: 13 
serviceberry, roundleaf, 4: 14 
serviceberry, Utah, 3: 17 
serviceberry, western, 2: 48; 
3: 16-N, 16-NW; 4: 12-N, 
12-NE 
seven-year-apple, 5: 206 
silktassel, wavyleaf, 3: 86 
silverbell, Carolina, 4: 58; 
3: 61 
silverbell, little, 4: 60; 5: 63 
silverbell, two-wing, 4: 59; 
3: 62 
silverberry, 2: 60 
silverpalm, Florida, 5: 186 
smokethorn, 3: 64 
smoketree, American, 4: 46 
snowbell, American, 4: 148; 
3: 142 
snowbell, bigleaf, 4: 149; 
3: 143 
snowbell, sycamore-leaf, 4: 150 
soapberry, western, 3: 189; 
4: 138 
soapberry, wingleaf, 4: 139; 
3: 240 
soldierwood, 5: 189 
sophora, Texas, 4: 145 
sourwood, 4: 91; 5: 97 
sparkleberry, tree, 4: 154; 
3: 152 
spirea, Beauverd, 2: 58 
spruce, black, 1: 38-N, 38-E; 
2: 4 
spruce, blue, 1: 40-W 
spruce, Brewer, 1: 36-W 
spruce, Engelmann, 1: 37-W, 
37-N 
spruce, red, 1: 41-N, 41-E 
spruce, Sitka, 1: 42-W, 
42-N; 2: 6 
spruce, white, 1: 39-W, 39-E, 
39-N; 2: 5 
stewartia, mountain, 4: 147 
stewartia, Virginia, 4: 146; 
3: 141 
stopper, boxleaf, 5: 200 
stopper, long-stalk, 5: 235 
stopper, red, 5: 201 
stopper, redberry, 5: 199 
stopper, twinberry, 5: 226 
stopper, white, 5: 198 
strongbark, Bahama, 5: 169 
strongbark, rough, 5: 170 
sugarberry, 1: 122-W, 122-E, 
122-N; 5: 40 
sumac, Kearney, 3: 156 
sumac, laurel, 3: 157 
sumac, lemonade, 3: 154 
sumac, littleleaf, 3: 159 
sumac, Mearns, 3: 153 
sumac, prairie, 3: 158-N, 
158-SW 
sumac, shining, 4: 120-N, 
120-SE; 5: 130 
sumac, smooth, 3: 155-NW, 
155-SW; 4: 121-NE, 
121-SE; 5: 131 
sumac, staghorn, 4: 122-N, 
122-NE 
sumac, sugar, 3: 160 
swamp-privet, 4: 50; 5: 52 
sweetbay, 1: 142-E; 5: 86 
sweetgale, 2: 33 
sweetgum, I: 135-N, 135-E; 
3: 79 
sweetleaf, common, 4: 151; 
3: 144 
sycamore, 95: 101 
sycamore, American, 1: 
147-W, 147-E, 147-N; 
3: 101 
sycamore, Arizona, 3: 113 
sycamore, California, 3: 112 
tallowwood, 5: 253 
tamarack, 1: 32-N, 32-E; 
2:3 
tanoak, 1: 136-W 
tesota, 3: 103 
tetrazygia, Florida, 5: 248 
thatchpalm, Florida, 5: 250 
thatchpalm, key, 5: 249 
thimbleberry, western, 2: 54 
torchwood, 5: 165 
torchwood, balsam, 5: 164 
torreya, California, 1: 87-W 
torreya, Florida, 1: 88-E; 
3: 13 
tree-cactus, key, 5: 179 
trema, Florida, 5: 252 
trema, West Indies, 5: 251 
tupelo, black, 1: 144-N, 
144-E; 5: 94 
tupelo, Ogeechee, 1: 145-E; 
3: 93 
tupelo, water, 1: 143-E; 5: 92 
vauquelinia, fewflower, 3: 198 
vauquelinia, Torrey, 3: 197 
velvetseed, elliptic-leaf, 5: 209 
velvetseed, roughleaf, 5: 210 
viburnum, possumhaw, 4: 
156; 5: 153 
viburnum, Walter, 4: 157; 
3: 154 
wahoo, eastern, 4: 49-NE, 
49-SE 
wahoo, western, 3: 70 
walnut, Arizona, 3: 92-N, 
92-SW 
walnut, black, 1: 134-E; 5: 76 
walnut, California, 3: 90 
walnut, Hinds, 3: 91 
walnut, little, 3: 93 
washingtonia, California, 3: 
201 
waterlocust, 4: 55; 5: 58 
white-cedar, Atlantic, 1: 
11-E; 5: 1 
white-cedar, northern, 1: 
81-N, 81-E 
white-mangrove, 5: 219 
wild-dilly, 5: 222 
willow, arroyo, 3: 174-NW, 
174-SW 
23 
