298 



GENERAL INDEX, 



Root-structure, 46, 95 

 Root-tubercles, 16, 148, 253 

 Rosette, 166 

 Runners, 158 



Sacharomyces, 44 

 Sap, of cells, 24 

 Saprophytes, 143 

 Scalarif orin vessels, 35 

 Scar-tissue, 58 

 Sclereuchyma, 41, 232 

 Scission- layer, 58 

 Scission-tissue, 235 

 Sclerotium, 199 

 Scorpioid cyme, 183 

 Scutellum, 142 

 Secondary bundles, 35 



roots, 169 



spirals, 174 

 Secretion, 152 

 Sectio aurea, 175 

 Seed, 142, 231 



Segmentation of the apical cell, 

 Selaginella, 204 

 Selection, 248, 257 

 Self-fertilization, 239 

 Self-pollination, 238 

 Sepals, 215 



Septicidal dehiscence, 232 

 Septifragal dehiscence, 233 

 Sexual affinity, 241 



generation, 203 



reproduction, 185 

 Sheath, of leaf, 159 

 Shoot, 165, 183, 184 

 Sieve- cells, 74 

 Sieve- plates, 74 

 Sieve -pores, 74 

 Sieve- tubes, 74 

 Silique, 232 

 Sinistrorse, 174 

 Skeleton-cells, 87 

 Sleep of plants, 273 

 Soredia, 199 

 Special creation, 244 

 Species, 241, 244 

 Species, origin of, 244 

 Species, hybrid, 241 

 Spectrum of chlorophyll, 129 

 Spermatia, 198 

 Spermatozoid, 189 

 Spermogonia, 198 

 Sphacelium, 199 

 Sphaero-crystals, 24 

 Spike, 182 

 Spikelet, 183 

 Spiral arrangement, 171 

 Spiral lines, 171 

 Spiral theory, 171 

 Spiral vessels, 35 

 Splint-wood, 92 

 Spongy parenchyma, 126 

 Spontaneous generation, 245 

 Sporangia, 207 



Sporangiophores, 195 



Spore, 188 



Sporidia, 198 



Sporocarp, 196 



Sporogouiurn, 202, 206 



Stamen, 223 



Staminal leaves, 165 



Stamiuodia, 218 



Starch, 17, 151 



Starch- forming corpuscles, 13 



Starch -grains, 17 



Stem, 80, 157 



Stern structure, 46, 80 



Stereids, 41 



Stereome, 41 



Stigma, 212 



Stimuli, conduction of, 281 



Stipule, 159 



Stomata, 135 



Stone-fruit, 232 



Storage-tissue, 151 



Stratification, 17, 21, 26 



Striation of cell-wall, 26 



Strawberry, 231 



Struggle for existence, 246 



Stylar duct, 212 



Style, 212 



Suberiu, 31 



Subsidiary cells, 137 



Sulphur, 254 



Summer-spores, 197 



Suppression, 218 



Surface-growth, 27 



Suspeusor, 211 



Swarm-spore, 195 



Swelling. 20 



Symbiosis, 145 



Symmetry, 219 



Sympetalous, 61 



Sympodium, 180 



Syncarpous, 228 



Synergitlae, 213, 229 



System, natural, 286 



Systems of organs, 155, 179 



Tannin, 6, 153, 256 

 Tapetal cells, 227 

 Taxonomy, 188, 286 

 Tegmen, 235 

 Tegument, 53 

 Teleutospore, 197 

 Temperature, 268 

 Tendrils, 281 

 Tension, 64, 262 

 Tentacle, 149 

 Testa, 235 

 Tetrad, 227 

 Tetrarch, 97 

 Tetraspore, 194 

 Tlmllome, 156, 162 

 Theory of descent, 244 

 Thermotropism, 276 

 Thickenings, 33 

 Tilletia, 198 



