INDEX 



405 



Spawn. 229 



Special Adaptations, 319 

 Species, 114, 158 

 Spermatochnaceae, 337 

 SpermoRoncs, 215, 233 

 Sperms, 110, 174 . 

 Sphacelariaceae, 337 

 Sphac'olothcca, 347 

 Sphaerobolaceae, 345 

 Sphacrobolus, 345 

 Sphaerococcaceae, 339 

 Sphaeriaceae, 343 

 Sphaerioidaceae, 347 

 Sphaeroneniclla, 347 

 Sphaerophoraceae, 341 

 Sphaerophorus, 341 

 Sphacroplea, 334 

 Sphaeropleaceae, 334 

 Sphaeropsidales, 238, 347 

 Sphaeropsis, 347 

 Sphaerotheca, 225 

 Sphagnaceae, 349 

 Sphagnales. 251, 349 

 Sphagnum, 250, 349 

 Sphenophyllaceae, 353 

 Sphenophyllales, 353 

 Sphenophyllincae, 262, 353 

 Sphenophyllum, 262 

 Spiderworts, 358 

 Spikelet, 297 

 Spiraea, 307, 368 

 Spiral vessels, 36 

 Spiranthes, 361 

 Spiridentaceae, 351 

 Spirochaete, 331 

 jSpirodela, 358 

 ^tepirogyra, 178, 333 

 bpirogyraceac, 333 

 Spirulina, 165 

 Splachnaceae, 350 

 Splachnidiaceae, 337 

 Splachnum, 252, 350 

 Spleenworts, 259 

 Sponge tissue, 292 

 Spontaneous Generation, 166 

 Sporangium, 190 

 Spore-case, 250 



-fruit, 100. 175, 213 



mother-cells. 243 



-prints, 231 

 Sporids. 233 



Sporocarp, 175. 213 

 Sporochnaceae. 337 

 Sporodinia. 197 

 Sporogenous tissues. 211 

 Sporophyll. 261 

 Sporophyte. 110. 242 

 Spot Fungi. 238, 347 

 Spruces, 281 

 Squamariaceac. 338 

 Squash, 305 

 Stachyuraceae, 364 

 Stackhousiaceae, 371 

 Stalked Puff-balls, 231 

 Stamens, 284 

 Staminate, 275 

 Stapelia, 322, 367 

 Staphyleaceae, 371 

 Starch, 13, 85, 147 

 Star Flowers, 370 

 Statocysts, 127 

 Statoliths, 126 

 Stearic acid. 143 

 Stearin. 143 

 Stem, 255 

 Stemonaceae, 358 

 Sterculiaceae. 362 

 Stereocaulon. 340 

 Stereum. 230. 346 

 Sterigmata, 222 

 Sterigmatocystis, 348 

 Sterile tissues, 211 

 Stickseed, 325 

 Sticta, 340 

 Stictaceae, 340 

 Stictidaceae, 341 

 Stictis. 341 

 Stigma, 286. 292 

 Stigmonose, 134 

 Stigonema. 165. 331 

 Stigonemataceae, 165, 331 

 Stilbaceae, 348 

 Stilophoraceac. 337 

 Stink-horns. 228. 345 

 Stinking Smut, 237 

 Stipules, 292 

 Stomata. 51 

 Stone cells. 32 

 Stoneworts. 193, 336 

 Storage tissues. 66 

 Store of food. 319 

 Strawberry, 289, 306, 319. 326 



