INDEX 



269 



(Quaternary period, 8, 25 

 (^)uerciis, origin of name, 133 



Red bay, 253 

 Red bud, 201 



fossils of, 192 

 Records of sequoia descent, 41 

 Red elm, 149 

 Red gum, age of, 182 



geologic history of, 184-188 



range of, 183 



size of, 182 



sketch of, 181 



wood of, 182 

 Redwood, distribution of, 42 



size of, 43 

 Retrospective prophec}', 4 

 Robenhausian culture, 95 

 Robinia, origin of name, 193 

 Rock elm, 149, 153 

 Rock folding, 3 

 Rose acacia, 196 

 Rosewood, 191 

 Rowan, 229 



Saint Bernard, quoted, 1 

 Salix, origin of name, 81 

 Sassafras, ancestry of, 249 



distribution of, 248 



geologic history of, 251 



in China, 248 



in Pliocene, 250 



size of, 243 



sketch of, 247 



wood of, 248 

 Sargent, C. S., cited, 34 

 Scarlet sumach, 207 

 Schizandra, 165, 166 

 Scotch elm, 148 

 Senna family, 191 

 Sequoia, sketch of, 39 



Sequoiah, inventor of Cherokee alpha- 

 bet, 42 

 Shreve, F., cited, 31 

 Silicification, 12 

 Sour gum, 243 

 Southey, Robt., quoted, 211 

 Spanish chestnut, 140 

 Spice bush, geologic history of, 252 



sketch of, 251 



species of, 252 

 Spitzbergen, climate of, 106 



flora of, 106 

 Staphorn sumach, 207 

 Sugarberry, 155 

 Sumach, geologic history of, 209-211 



juice of, 207 



range of, 207 



sketch of, 206 



species of, 206 

 Sumach familj', 206 



species of, 206 

 Swamp baj', 253 

 Sweet gum, age of, 182 



geologic history of, 184-188 



range of, 183 



size of, 182 



sketch of, 181 



wood of, 182 

 Swiss lake dwellings, beech in, 121 



walnuts in, 73 

 Sycamore, 157 

 Sj'ringa, 225 



Tanbark oak, 129 



Taulauma, 165, 166 



Tennyson, Alfred, quoted, 1, 112, 233 



Terramara period, 95 



Tertiar}^ period, 8 



North America during, 21-25 

 Thayer, cited, 36 

 Thors tree, 103, 188 

 Tiliaceae, 233 



Time, methods of reckoning, 14 

 Time table of geology, 8 

 Tortworth chestnut, 140 



