INDEX 



677 



Sorghums, uses of, 199 

 Sorgo, 196, 197 

 Soulard crabapple, 379, 381 

 Sour orange, 487 

 Southern dewberry, 356 



fox grape, 499, 500 

 Sow-thistle, 625 

 Soy bean, 456 

 Soya, 4SS 



max, 456 

 Spanish bayonet, 229 



moss, 28 



needles, 625 



orange, 484 



salsify, 635 

 Spathe, 234 

 Spelt, 89, III, 112, 113 



wheats, 11 1 

 Sperm nuclei, 50 

 Spermatophytes, 62 

 Sphenophyllales, 64 

 Spike 56, 79 • 

 Spikelet, 78, 79, 80 

 Spinacea, 298 



oleracea, 298 

 Spinach beet, 312 



common garden, 300 



key to groups of, 300 



mountain, 299 



New Zealand, 299 

 Spines, 33 

 Spiraea, 348 



Spongy parenchyma, 44 

 Spotted bur clover, 442, 449 

 Spreading oats, 130 

 Spur, 23 

 Spurs, 367 

 Squash, 610 



Canada crookneck, 610, 612 



Hubbard, 612, 614 



mammoth whale, 615 



marblehead, 610, 612, 614 



marrow, 614 



Squash, surfimer, 613 



turban, 610, 612, 614 



Valparaiso, 615 

 Squirting cucumber, 606 

 Stages, ripening, 97 

 Stamens, 48 



Staminate inflorescence, 55 

 Standard, 414 



broom corn, 200 



patent, 108 

 Star cucumber, 606, 620 

 Starches, 177 

 Starchy endosperm, 103 



sweet corn, 178, 180 

 Strawberry tomato, 592 

 Stele, 17 



Stem, of dicot, 33 . 



Stems, 22 



aerial, 2 



classification of, based upon their 

 medium of growth, 28 



general characteristics of, 26 



structure of, 33 



underground, 2 



work of, 41 

 Steppes, 69 

 Stewart, 167 

 Stigma, 48 

 Stipules, 42 

 Stock, 36 

 Stolon, 32 

 Stomata, 45 

 Stone crop, 47 

 Stooling, 22, 73 

 Straight bread flour, io8 

 Strawberry blite, 296 



Chilean, 363, 364 



European, 363, 364 



everlasting, 364 



perpetual, 363, 364 



scarlet, 363 



Virginian, 363 



wood, 364 



