614 



INDEX. 



Silica, 4. 



Silicium, 3. 



Silicula, 448. 



Siliqua, 448. 



Silkworm, 152. 



Siphonodon celastrineus, 322, 372. 



Siphonia elastica, 28. 



Sleep of plants, 455. 



Stnithia sensitiva, 552. 



Snow, 487. 



Snowberry, 95. 



Snow, red, 458. 



Sodium, 4. 



Soil, 509. 



of the fields, 512. 



of the garden, 512. 



products of, 476. 



temperature of, 513. 

 Solan ia, 86. 

 Solanin, 27. 

 Solanum, 283, 429. 



tuberosum, 34, 95, 292, 429. 

 Solenia, 146. 

 Sonchus asper, 32 1 . 

 Sorbus aucuparia, 27 1 . 

 Sori, 194. 

 Sorosis, 448. 

 Spadix, 308. 

 Sparsae, 134. 

 Spatha, 338. 

 Spathe, 30O. 

 Spathulate, 130. 

 Spergula arvensis, 497. 



pentandra, 394. 

 Spermophore, 382, 384, 443. 

 Spermatozoa, vegetable, 99, 359. 

 Sphacelia segetum, 152. 

 Sphaeriae, 145. 

 Sphagnum, 51, 176, 184. 



leaf of, 188. 



Sphalerocarpium, 447,449. 

 Spicatae, 134. 

 Spike, 300, 308. 

 Spikelet, 308. 



Spikes with woody bracts, 449. 

 Spiral filaments, 97. 



fibres, 43. 



forms of the, 43, 137. 



formations, 156. 



twisting of an axis, 233. 



name and origin, 42. 

 Spirodela, 236. 

 Spirodela polyrrhiza, 70. 

 Spirogyra, 25, 32, 90, 95, 1 47. 

 Splachnum, 180. 

 Sporangium, 139, 144. 

 Spore-case, 144, 155. 



cells of, 99, 162. 



leaf of, 194. 

 Spores, 109, 144. 

 Sporocarp, 139, 144, 178, 211. 

 Sporocybe, 144. 

 Stalks, 249. 

 Stamen, 348. 

 Stamen of the Cryptogamia, 349. 



Stamens, 345. 



accessory, 364. 

 Stapelia, 548. 

 Starch, 9, 10, 18, 90. 

 Starch, granule, development of, 567. 



granules, 19, 38. 



under a microscope, 12. 



in various forms, 14. 



with cold water, 13. 



works on, 19. 

 Stem-germen, superior, 370. 



leaves, 280. 



pistil, 370. 



origin of, 372. 

 Stemonitis, 152. 

 Stems, 166, 215,228,249. 



of climbing plants, 251. 



of grasses, 2fc9. 

 Stigma, 178. 

 Stings, 69. 

 Stipelles, 271. 

 Stirps, 228. 

 Stock, 228. 

 Stock, leaf of a, 73. 

 Stoma, 180. 



Stomachs in animals, 493. 

 Stomata, 279. 

 Stomata on mosses, 188. 

 Stomates, use of, 189. 

 Strata, 444. 

 Stratiotes aloides, 94. 

 Strawberry, 436. 

 Strelitzia, 7. 



farinosa, 22, 26, 118. 

 Strobilus, 447, 449. 

 Stroma, 151. 

 Style, 178, 368. 

 Stylidium adnatum, 552. 



graminifolium, 552. 

 Suber, 69. 



Substantia intercellularis, 111. 

 Sugar, 9, 21, 81, 476, 483. 



cane, 21. 



solutions of, 83. 

 Sulcatus, 135. 

 Sulphate of lime, 6. 

 Sulphates, 83. 

 Sulphur, 3, 490. 

 Suture, 434. 

 Syconus, 448. 

 Symphoricarpos, 95. 

 Synanthereae, 22. 

 Syncarpium, 448. 

 Syringa, 239- 



vulgar is, 282. 

 Syrrhopodon, 177. 



prolifer, 177. 



Tamarind, 462. 

 Tamarindus, 9 



Indica, 113. 

 Tamarix gallica, 21. 

 Tannic acid, 27. 

 Tannin, 27, 87, 114. 



