606 



INDEX 



All numbers refer to pages, heavy type indicating illustrations. 



Spinach, 55, 71, 72, 120, 124; 

 leaves, 114 



Spinacia oleracea, Spinach 



Spindles, 245 



Spineless Sago-palm, 104 



Spinning, 222 



Spirits of turpentine, 288, 296 



Spirituous liquors, 159 



Spirogyra sp., Pond-scum 



Spitting, danger from, 494 



Splint, 241 



Splints, surgical, 245 



Sponge Cucumber, 238, 383, 418, 

 419 



Spontaneous generation, 5G5; va- 

 riations, 449 



Spools, 245, 263 



Sporangium, 484, 541 



Spore, 167 



Spore-base, Fungi, 501; Lichens, 

 508 



Spore-case, 529 



Spore-layer, 529 



Spores, 511 



Spore-sac Fungi, 499, 504 



Spore-sac-leaf, 534 



Spore-sac Lichens, 504 



Spore-sacs, 550 



Sporophyll, 541 



Sporophyte, 485, 514, 515 



Spring wood, 251, 253 



Spruce, 241, 292, 294, 424, 425, 

 551, 552, 553; aphis, 272; Nor- 

 way, 272; wood, 270 



Spunk, 239 



Spur, 271 



Spurge Family, 399: bitter cas- 

 sava, 110, 111; Brazilian rubber- 

 tree, 281; caper spurge, 216; 

 castor-oilplant, 172, 173; snow- 

 on-the-mountain, 203 



Sputum, danger from, 494 



Squash, 85, 121, 124, 383, 418, 

 419; hubbard, 81; long white, 

 79; scallop, 80; summer crook- 

 neck, 79 



Staff, 232 



Stamens, 12, 14, 309, 319, 352, 

 550; diadelphous, 366; mona- 

 delphous, 366; pentadelphous, 

 368; syngenesious, 384 



Staminate flowers, 347 



Staminodes, 340, 341, 348, 352 



Standard, 48, 366 



Star Anise, 137, 143, 358, 406, 407 



Starch, 31; conversion into sugar, 

 32 



Staves, 259 



Stem, 324, 538; of fern, 540 



Stem-member, 326, 327 



Stem-part, 323, 325 



Stems, 387, 533 



Stem-tip, 320, 556 



Stem-tuber, 43 



Sterculiacea:, Silk-cotton Family 



Sterculia Family, 399 



Stiffening, 223, 232 



Stigma, 12, 14, 319, 345, 555, 556; 

 enlargement of, 557 



Stimulants, 156, 160, 161 



Stimulating beverages, 161 



Stimulation, 159 



Stimuli, response to, 562 



Stipulate leaf, 358, 359 



Stipule, 358, 359 



Stipules, ocreate, 372 



Stirrups, 244 



Stomata, 529, 530 



Stone-fruit, 364 



Stone of drupes, 365 



Stoppers, 280 



Storage of food-materials, 485, 538 



Strap-shaped corolla, 379, 380, 381, 

 385 



Straw, 232, 235; hats, 223; mat- 

 ting, 235 



Strawberry, SS, 92, 121, 125, 364, 

 408, 409 



Strawberrj'-shrub Family, 398 



String-beans, 85 



Structure, 572 



Struggle for existence, 447, 454 



Struggles for supremacy often 

 desfroj' what is best, 468 



Strychnine, 182, 188 



Strychnos Nux-vomica, Nux Vom- 

 ica 



Stuffing for saddles, 238 



Sturtevant, Dr. E. L., 456 



Style, 12, 14, 319, 345 



Suberin, 279 



Subtend, 342 



Succulent parts for dissemination, 

 560 



