378 



PLANT-LIFE 



Sphagnacese, 138-140 

 Sphagnum, 138-139 

 Sphenophyllales, 234, 241 

 Sphenophylls, 241, 242 

 Sphenopteris, 230 

 Spike, 205 

 Spinach, 212 

 Spines, 344 

 Spircea ulmaria, 362 

 Spirilla, 15 

 Spirogyra, 34-38, 43 

 Sponges, 4 



Sporangia, 8, 80, 103, 143, 147, 156, 

 159, 160 



Sporidia, 107, 108 

 Sporogonium, 126, 128, 139 

 Sporophvlls, 159, 191, 208 



Sporoph'yte, 120, 121, 126, 136, 137, 

 139, 143, 150 



Spruce Fir, 181 



Squirting Cucumber, 327 



Stachys, 342 



Stag's-horn Moss, 162 



Stamens, 173 



Starch, 19, 21, 272 



formation of, 21-22 



Starfish, 297 



Statice limonium, 215 



Stele, 151 



Stellaria media, 302 



Sticky-Willie, 280 



Stigma, 174 



Stigmaria, 239 

 ficoides, 239 



Stinging-Nettle, 298 



Stinkhorn Fungus, 97 



Stipe, 109 



Stitchworts, 213, 347 



Stocks, 213 



Stolon, 299 



Stomata, 21, 137, 153, 159, 255, 262, 

 264, 336 



Stonecrop, 266, 361 

 Hairy, 339 



Stone Pine, 190 



Stoneworts, 248 



Stork's-Bill, 332, 360 



Stratified Rocks, 222 



Stratiotes aloides, 3C1 



Strawberry-Tree, 215 



Stromatopteris, 154 



Strychnine, 2™ 



Style, 174 



Sugar, 273 



-Cane,199, 200 

 Sunflowers, 216 

 Swarm-spores, 9 

 Sweet Briar, 342 



Cicely, 347 



Gale, 212 



Violet, 319, 326 

 Sycamore, 258, 278, 325-326 

 Symbiosis, 113 

 Symbiotic Plants, 285, 290 

 Sympetalse, 206, 207, 208, 209, 214- 



217 

 Symphytum officinale, 343 



Tamus communis, 281 

 Tangles, 70, 76 

 Tap-root, 205 

 Taxacese, 185, 245 

 Taxodium distichum, 187 



mexicanum, 187 

 Taxus baccata, 185 

 Teazle, 216, 339 

 Teleutospores, 107, 108 

 Temperature and growth, 274 

 Tendrils, 281 

 Tetraspores, 85, 87 

 Thalictrum minus, 309 

 Thallophytes, 39 

 Thallus, 39 

 Theca, 136 

 Thecium, 116 

 Thesium humifosum, 293 

 Thorns, 344 

 Thrift, 215 

 Thuja, 187 

 Thyme, 215 



Wild, 360 

 Thymus Serpyllum, 360 

 Tilia, 328 



argentea, 266 

 Tipula fly, 341 

 Tmesipteris, 163 

 Toadflax, 208 



Bastard, 293 



Ivy-leaved, 332 

 Toadstools, 93, 108 

 Toothwort, 24, 99, 294, 320 

 Tortoiseshell Butterfly, 343 

 " Touch-wood," 94 

 Trama, 111 

 Transpiration, 262-267 

 Traveller's Tree, 202 



