SUBJECT INDEX 



531 



Typhula 



gramineum, 160, 161 



incamata, 158 

 Tyrosinase, 40, 46, 41 

 Tyrosine, 23, 41, 44, 45, 65 



U hints americana, 410 



Ultraviolet, 123, 124, 139, 142, 143, 



146, 325, 388 

 Ulva, 468 



californica, 466, 469 

 Unci mil a 



aceris, 403 



flexitosa, 403 



geniculata, 403 



salicis, 403 

 Uncimdites baccarini, 482, 483 

 United States Department of Agri- 

 culture, 420 

 University of Wisconsin, 420 

 Uranium, 16, 476 

 Urea, 55, 390 

 Urease, 40, 41, 46, 41 

 Uredinales, 1, 211, 318, 327, 333-335 

 Uredinopsis, 406, 408 



adianti, 406 



investita, 406 



macrosperma, 406 



mayor'icma, 406 

 Urmda 



crater h im, 190 



ge aster, 189, 190, 404 

 Urocystis, 485 



anemones, 214 



cepulae, 110, 122, 178, 214, 216, 

 223, 235 



occulta, 223, 229, 234 



tritici, 223, 234, 405, 415 

 Uromyces, 333, 407, 408 



appendiculatus phaseoli, 177, 408 



appendiculatus vignae, 111, 408 



betae, 111, 408 



bidenticola, 174 



caryophyllinus, 177, 223, 241, 408 



frt/^e, 220, 241 



phaseoli, 242 



pw, 200 



poae, 200 



mfo///, 177, 223, 408 

 Uromvcladium, 407 

 Urophlyctites 



oliverianus, 481 



stigmariae, 480, 481 



Uropyxis, 407, 40«? 

 Uschinskv's solution, 3 

 Ustilaginaceae, 197 

 Ustilaginales, 211, 318, 329-333 

 Ustilago, 170 



avenae, 108, 178, 220, 223, 234, 

 260, 267, 272, 276 



Zw//tfta, 335, 337 



hordei, 219, 250, 267, 274, 330 



levis, 260, 267, 272, 276, 330 



longissima, 214 



medians, 267, 350 



7?7/</a, 145, 219 



striaeformis, 214, 223, 233 



tritici, 108, 145, 250, 275 



violacea, 260, 274, 278 



zeae, 143, 149, 231, 235, 264, 273, 

 274, 277, 278, 285, 293, 329, 

 330, 331, 332, 336, 337, 338, 

 405 

 Uterine contraction, 356, 358, 359 



Vaccines, 423 

 Vaccinium 



corymbosum, 304 



macrocarpon, 184, 304 



myrtillus, 304 



ovatum, 304 



oxy coccus, 304 



pennsylvanicum, 304 



vacillans, 304 



■vitisidaea, 304 

 Valeric acid, 283 

 Valley fever, 367, 437 

 Van Tiegrhem cells, 212 

 Vanda, 304, 310 

 van't Hoff's rule, 98, 114 

 Varianose, 79 

 Variation, 257, 259 

 Vectors of fungi, 172-179, 442, 443 

 Velvet-stemmed mushroom, 339 

 Venturia inaequalis, 170, 192, 218, 



219, 228, 402 

 Vermicularia, 5 



circinans, 245 

 Verpa bohemica, 99, 136 

 Verticillic acid, 88 

 Verticillium, 109, 178, 431, 444 



albo-atrum, 97, 99, 113, 117, 118, 

 120 



candidum, 453 



cellulosae, 435 



