INDEX 



517 



Spruces, 64, 263, 278, 318, 319, 



320, 326, 330-333 

 Spurge Family, 487 

 Squash, 149, 190 

 Squawroot, 416, 417 

 Stalk, 28, 29 

 Stamen, 68, 69, 72, 73 

 Starch, 131, 132, 396, 397 

 Steeple bush, 446 

 Stem, 32, 35, 40, 41, 119, 158, 

 252, 254 



parasites, 417 

 Stock, 485, 486 

 Stomate, 35, 36 

 Stone cell, 250 



Strawberry, 145, 148, 188, 189, 

 445, 446 



leak, 420 

 Streptococcus, 409 

 Strychnine, 373 

 Sucrose, 130, 216 

 Sugar acreage, 216 



beet, 219, 220 



cane, 217 



maple, 221 



palm, 222, 223 

 Sundrops, 451 

 Sunflower, 461, 462 

 Supporting tissues, 10, 253, 254 

 Sweet alyssum, 485, 486 



flag, 463, 464 



pea, 486 



William, 483, 484 

 Sycamore, 297, 298 

 Symbiosis, 93 



Tamarack, 262, 314 

 Tannin, 138, 387, 388 

 Tape-grass Family, 105 

 Tea, 146, 236, 237 



Tetanus, 409 

 Thallophyte, 9, 10, 86 

 Thallus, 9, 10 



plants, 9, 117 

 Thimbleberry, 445, 446 

 Thistle, 460 



sage, 456 

 Thistle Family, 458-460, 488, 



489 

 Tick trefoil, 78 

 Timber harvesting, 341, 342 



supplies, 333, 334 

 Tissue, 8, 10 

 Tobacco, 149, 376-378 



acreage, 377 



mosaic, 416 

 Tomato, 79, 149, 185 

 Toothwort, 441 

 Touch-me-not, 77, 78 

 Tracheid, 248, 249 

 Trailing arbutus, 452, 453 

 Transpiration, 36 

 Trees, Angiosperm, 279 



deciduous, 279 



evergreen, 258 



Gymnosperm, 256 

 Trillium, 467 

 Truffles, 92 

 Trumpet creeper, 482 

 Tuberculosis, 408 

 Tulip, 146, 490 



tree, 296 

 Tung oil, 393 

 Tupelo, 303, 314, 324, 333 

 Turgidity, 247 

 Turnip, 144, 155 

 Turpentine, 385, 386 

 Turtlehead, 456 

 Twayblade, 472, 473 

 Twisted stalk, 466 



