Uromyces appendiculatus, 

 parasitism, 387. 



Belienis, 279. 



Cestri, 279. 



Dactylidis,parasitism,387. 



Phaseolorum, 281. 



- parasitism, 387, 389. 



Pisi, parasitism, 368, 388, 



39i. 



Scrophulariae, 279. 



scutellatus,parasitism,368. 

 , spores, 98. 



, detaching, 68. 



, formation, 62. 



tuberculatus, parasitism, 

 358. 



- Viciae Fabae, 277. 

 Usnea barbata, Algae of 



thallus, 398*. 



, chemical properties, 



407. 



, incrustation, 408. 



, soredia, 415. 



, structure of thallus, 



402*. 



, thallus, 187*. 



, structure of thallus, 404, 



405, 406. 

 Ustilagineae (Ustilaginei), 



120, 132, 172, 176, 179- 

 , capacity of germination, 



344- 



, conditions of germina- 

 tion, 350. 



, haustoria, 19. 



, parasitism, 359, 362, 364, 



367, 385, 39, 39i, 393- 

 , spores, rest, 345. 

 , structure, 100. 

 Ustilago, 174. 



antherarum, 179. 



Carbo, 177, 179, 180, 181. 

 , capacity of germina- 

 tion, 344. 



, conditions of germina- 

 tion, 349. 



, germination, 178*. 



, parasitism, 367. 



, resistance of spores, 



346. 



Cardui, 177. 



Crameri, capacity of ger- 

 mination, 344. 



destruens, 177, 179, 180. 

 , capacity of germina- 

 tion, 344. 



, conditions of germina- 

 tion, 349. 



, resistance of spores, 



346. 



flosculorum, 177. 



hypodytes, 172, 175. 



INDEX. 



Ustilago flosculorum, parasi- 

 tism, 391. 



Ischaemi, 175. 



, formation of spores,6 8. 



Kolaczeckii, capacity of 

 germination, 344. 



Kiihniana, 177, 179. 



. longissima, 173, 179, 183. 

 , germination, 178*. 



Maidis, 179, 181. 



olivacea, 173. 



Rabenhorstiana, capacity 

 of germination, 344. 



receptaculorum, struc- 

 ture of spores, 102. 



Tragopogonis, 172, 182. 

 , development of spores, 



i?5*. 



, germination, 178*. 



, parasitism, 391. 



Tulasnei, capacity of ger- 

 mination, 344. 



utriculosa, 177. 



Vaillantii, 177, 179. 

 Ustulina, 186, 218, 244, 248, 



260. 

 Uterus, 308. 



Vacuoles (sap -cavities), 6, 



424. 



Valsa ambiens, 258. 

 , number of spores, 79. 



nivea, spermogonia, 240*. 

 , number of spores, 79. 



salicina, number of spores, 



79- 



, structure of spores, 102. 

 Valseae (Valsei), 191, 192. 

 , discharge of spores, 97. 

 Vampyrella, 447, 453.- 



pendula, 447. 



Spirogyrae, 447. 



vorax, 447. 

 Variolaria, 416. 

 Vegetation, general condi- 

 tions, 352. 



Veines aeriferes, 195. 



aquiferes, 195. 

 Velum, 289, 291. 



partiale, 290. 



universale (volva), 290. 

 Venae externae, 195. 



internae, 195. 



lymphaticae, 195. 

 Vermicularia, 252. 



minor, fatty matters, 7. 



, sclerotium, 41. 



Verpa, 189. 

 Verrucaria, 192, 222. 



, Algae of thallus, 409. 



carpinea, 246. 



Gibelliana, 246. 



5*5 



Verrucarieae (Verrucariei), 



242. 



Verticillium, 245, 249, 252. 

 Vibrio, 458, 459, 473. 

 Vibriones, 458. 

 Volva, 290. 

 Volvaria, 292, 295, 297. 



Warts on compound sporo- 

 phores, 59. 



Water-content, 6. 



supply, as a condition of 



germination, 375. 



Whorl of sporidia (Kranz- 

 korper), 177. 



Wine-yeast, 269. 



Witches' brooms, 266, 368, 

 390. 



Withdrawal of water, influ- 

 ence on germination, 346. 



Woronina, 161, 169, 444. 



, parasitism, 395. 



Woronin's hypha, 199, 218. 



Xylaria, 186, 192, 199, 236, 



244, 260. 



, branching, 51. 

 bulbosa, sclerotium, 41. 

 , compound sporophores, 

 development, 56. 

 , growth, 50, 51. 



pedunculata, structure of 

 spores, 103. 



, chemical behaviour of 



spore-membrane, 105. 



polymorpha, development 

 of sporophore, 2 1 6*. 



, development of spores, 



78. 

 Xylarieae(Xylariei),i86,236, 



248, 260. 



, discharge of spores, 97. 

 Xyloma, 43, 190. 

 Xylostroma, 22. 



Yeast-fungi, 4*, 5, 267, 270, 



358. 

 Yeast-fungus of alcoholic 



fermentation, 267. 

 Yeast-mucilage, 10. 



Zeora, 223. 

 Zoogloea, 457, 459. 

 Zoospores, 107. 

 Zygochytrium, 146, 151, 169. 



aurantiacum, 1 56. 

 Zygomycetes, 132, 145. 

 , rest of spores, 345. 

 , thallus, i. 

 Zygospores, 129, 145. 

 , formation, 147. 



, resting state, 344, 345. 



THE END. 



