Index 



54:-: 



Spectrophore, 317. 

 Spencerites, 146. 

 Sphaerotheca, 231. 

 Sphagnum, 233. 

 Sphenophyllum, 135, 143. 

 Sphenopteris , 147. 

 Spongioles, 249. 

 Sporangiophore, 68, 8S. 

 Sporogenous tissue, sterilization of, 



56, 69. 

 Sporophylls, nature of, 86. 



— strobiloid origin of, 86. 

 Sporophyte, intercalation of, 55, 56. 



62. 

 Stamen, homologies of, 92. 



— irritability of, 480, 500. 



Starch - forming corpuscles, 3S1, 

 , 384. 



Starch-grain, crystalline structure of, 

 388. 



— lamination of, 385. 

 Statoliths, 474, 475. 

 Stele theory, 208. 



Stem, junction with root, 218. 

 Stimuli, transmission of, 495. 

 Stomata, 259. 

 Stratification, 184. 

 Striation, 184. 

 Sulphur bacteria, 370. 

 Symbiosis, 341, 343, 349, 435. 

 Synergidae, 1 01. 



Tannase, 409. 

 Tendrils, 476. 

 Tensions, 444. 

 Thallome, 67. 

 Thermotonus, 457. 

 Thermotropism, 486. 

 Thickening ring ofSanio, 194. 



Thickening, abnormal lecoodftry 



215, 221. 

 Thinnfeldia, 146. 



Thy loses, 1 v ; 



Tissue, transfusion, 224. 



— systems of, 219. 



— classification of, 204. 

 Trnesipteris, 239. 

 Tonoplasts, 174. 

 Tonotaxis, 487. 

 Tracheids, 220. 

 Translocation, 373, w,. 

 Transpiration, 25S. 



— path of current, 2f>.,. 



— functions of, 268. 

 Traumotropism, 487 

 Trehalase, 408. 

 Trichomancs, 237. 

 Trichome, 67. 

 Trypsin, 409. 



Ulodendron , 145. 

 Utricularia, 79, 440. 



Vertebraria, 140. 

 Vitellins, 394, 396. 

 Volk/namu'a, 143. 



Water, resistance of to tensile stress, 



275. 



— culture, 361. 



IVilliamsonia, 150. 



Xanthophyll, 293. 398. 

 Xenia, 104. 



Zein, 396. 



Zygopteris, 136, 149. 

 Zymase, 429. 



