INDEX 



391 



Ribes, 344 



Riccia, 292 



Rice, 318 



Rigidity, 165 



Rings, annular, 50 



Rivularia, 262, 263 



Roots, 58, 62, 64, 66, 67, 68 



Root-hairs, 66, 160 



Rooting habits, 157 



Rosaceae, 346 



Rose, 346 



Rubber, 336 



Rubese, 350 



Rubinia, 356 



Rumex, 336 



Rusts, 283 



Rutacese, 359 



Rye, 314 



Sac, embryo, 96 



Saccharomyces, 279 



Saccharum, 322 



Salicacese, 331 



Salix, 331 



Samara, 111 



Sambucus, 370 



Sanguinaria, 341 



Sap, 14, 17, 116 



Sapindacese, 362 



Saprolignia, 275 



Sarsaparilla, 328 



Sassafras, 340 



Saxifragacese, 344 



Scenedesmus, 266 



Schizomycetes, 260, 273, 274 



Schleiden, 12 



Schlerenchyma, 24 



Schlerotinia, 279, 281 



Secale, 314 



Secretions, 179 



Sedge, 324 



Seedlings, 117 



Seeds, 3, 96, 98, 108, 117, 124, 125 



Selection, natural, 239 



Setaria, 322 



Sieve, 27 



Silicon, 202 



Silique, 113 



Siphonales, 268 



Smartweed, 336 



Smilax, 328 



Smuts, 283 



Sodium, 202 



Soils, 156, 159, 205 



Solanacese, 374 



Solanum, 375 



Solids, 151 



Solutions, 152, 207 



Sorghum, 322 



Sori, 299 



Sorrels, 336 



Spadix, 90 



Species, 239 



Spermatophytes, 7, 258, 303, 304 



Sperms, 95, 264 



Sphagnales, 293 



Spinach, 337 



Spinacia, 337 



Spike, 90 



Spines, 74 



Spirogyra, 270 



Sporangia, 299, 300 



Spore, 300 



Sporophyll, 300 



Sporophyte, 289, 298 



Squash, 380 



Stamen, 84 



Staphylea, 362 



Starch, 17, 270, 271 



Starvation, 222 



Stems, 31, 43, 46, 54, 55 



Stigma, 84 



Stigonema, 262, 263 



Stipules, 70 



Stomata, 53, 174, 195 



Stoneworts, 270, 271 



Storage, 56, 74, 213, 214 



Strawberry, 351 



Strychnine, 138 



Style, 84 



Suberin, 15, 52, 78, 143 



Sucrose, 136 



Sugar, 17, 135, 197 



Sugar cane, 322 



Sunlight, 219 



Sweet potato, 374 



Synergids, 97 



Systems, 27 



Tannin, 17, 140 

 Taphrina, 279 

 Taxodiunij 310 



