INDEX. 
Spore-fruit, 148 
Spore-fruit Plants, 148 
Spores, 63 
Sporids, 172 
Sporocarp, 148 
Spruces, 224 
Spurge, milk-tubes, 19 (fig.) 
Spurgeworts, 255 
Squashies, 278 
Squash, hairs, 36 (fig.) 
Stackhousiex, 261 
Stahl’s discovery of the sexual 
organs of Lichens, 168 
Stamens, 62, 214 
Star.apples, 258 
Starch, 9, 79 
Starch, digestion of, 81 
Starch-making, 79 
Starch, storing of, 81 
Stem, 61 
Sterculiacese, 262 
Sterculiads, 262 
Stereum, 179 
Sterigmata, 158 
Sticta, 166 (fig.) 
Stigma, 228 
Stinkhorn, 177 
Stinking Smut, 175 
St.-Johnsworts, 262 
Stomata, 37 
Stoneworts, 180 
Stony Tissue, 17, 26 
Storaxworts, 258 
Storing of reserve material, 81 
Strawberries, 278 
Strychnia, 83 
Style, 228 
Stylidiaces, 258° 
Stylospores, 164 
Styracacere, 258 
Sucrose, 18 
Sugar, 18, 81 
Sugar canes, 250 
Sugar, origin of, 250 
Sugar-pine, 224 
Sundews, 260, 271 
Suspensor, 219 
Sweet-flag, bundle, 44 (ig.) 
Sweet-flag root, bundle, 45 
Sweet-pea, embryo, 281 (fig.) 
Sweet-potato, 278 
291 
TAMARISCINES, 262 
Tamarisks, 262 
Tannic Acid, 88 
Tartaric Acid, 83 
Tea, 278 
Teaselworts, 259 
Teleutospores, 172 
Temperature as affecting plants. 
Tendrils, 62, 63 
Ternstreemiacee, 262 
Thalamiflore, 262 
Thallome, 61 
Theads, 262 
Thick-angled Tissue, 16, 26 
Thorns, 62 
Thymeleacerr, 256 
Tiliacee, 262 
Tilletia, 175 
Timmia, 192 
Tissues of Plants, 15 
Tissue-systems, 32 
Toadstools, 175, 177 
Tomato, 278 
Tracheary Tissue, 22, 28 
Tracheids, 24, 29 
Tremandrez, 262 
Trichogyne, 149 
Trichome, 60, 63 
Trimorphism of Flowers, 237 
Triuridex, 243 
Truffles, 160 
Tuber, 160 (fig.) 
Tuberacee, 160° 
Tuberose, 249 
Tubers, 62 
Tulips, 249 
Tulip-trees, 278 
Turbinaria, 147 
Turneracee, 260 
Turnips, 278 
Turpentine-canals, 58 
Typhacez, 243 
Utva, 118 
Ulva, 118 (fig.) 
Umbellale Cohort, 259 
Umbelliferee, 259 
Umbellifers, 259 
Uncinula, 160 
Uncinula, 157 (fig.) 
