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, 565; 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-saes, 550 
Sporophyll, 541 
Sporophyte, 485, 514, 515 
Spring wood, 251, 253 
Spruce, 241, 292, 294, 424, 425, 
561, 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-oil plant, 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 
Sterculiacee, Silk-cotton Familv 
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, 88, 92, 121, 125, 364, 
408, 409 
Strawberry-shrub Family, 398. 
String-beans, 85 
Structure, 572 
Struggle for existence, 447, 454 
Struggles for supremacy often 
destroy 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 
