INDEX OF FIGURES 



579 



Sphaerotheca raors-uvae, 147. 

 Sphaerulina taxi, 220. 

 Spondylocladium atrovirens, 479. 

 Spongospora scabies, 530. 

 Sporodesmium brassicae, 427. 

 Spumaria alba, 533. 

 Stag-headed oak, 31. 

 Stereum frustulosum, 397. 



hirsutum, 396. 



Synchytrium solani, 99. 

 section of, 99. 



taraxici, 103. 



tTAPHRIXA AUREA, 136. 

 bullata, 143. 

 sadebeckii, 136. 



Thelephora lacinata, 61. 

 Thielavia basicola, 160. 

 Tilletia decipiens, 338. 



tritici, 346. 



zonata, 338. 



(Tremella frondosa, 562. 

 Trichothecium roseuni, 455. 

 Tuber excavatum, ascus of, 83. 



Tulostoma mammosum, basidium of, 



84. 

 Tylenchus devastatrix, 550. 

 Tympanis conspersa, 259. 



Uncinula spiralis, 155. 

 Urocystis colchici, 349. 



occulta, 348. 



Uromyces betae, 295. 



colchici, 293. 



Urophlyctis alfalfae, 93. 



leproides, 96. 



Usnea barbata, 59, 506. 

 Ustilago arundinellae, 338. 

 avenae, 340, 342. 



Venturia inaequalis, 205, 206. 



pirina, 209. 



Vermicularia circinnans, 418. 



Xenodochus carbonarius, 315. 



zlgnoella corticola, ascus of, 



83- 



