SUBJECT INDEX 



503 



Albugo 



ipomoeae-panduranae, 260, 274 



tragopogonis, 260 

 Alcohol, 20, 54, 55, 56, 58, 59, 60, 61, 

 62, 63, 69, 72, 75, 77, 268, 280, 

 283 

 Alethopteris aquilina, 481 

 Aleuria 



re panda, 190 



vesiculosa, 135, 190 

 Aleurodiscus poly gonitis, 328 

 Aleurospores, 381, 382 

 Alewife, 463 



Aleyrodes citri, 447, 456 

 Algae, 468, 488 



blue-green, 429 



green, 429 

 Alkaloids, 45, 350, 358, 359 

 Allium cepa, 165 

 Allomyces 



arbuscula, 19, 22, 64, 399, 431 



cystogenus, 19, 64, 431 



javanicus, 19, 64, 84, 431 



kniepii, 26, 27, 34 



moniliformis, 19, 64, 84, 431 

 Alnus cordata, 451 

 Altemaria, 104, 141, 170, 171, 373, 

 431, 448, 452 . 



citri, 20 



maritima, 470 



solani, 175, 218, 223, 111 



tenuis, 23 

 Althea, 401 



Alwisia bombarda, 397 

 Amanita, 343, 341 



caesarea, 340, 409 



chlorinosoma, 350 



citrina, 302, 350 



cremdata, 350 



mappa, 312, 350 



jnorrisii, 350 



muscaria, 85, 158, 302, 312, 342, 



344, 345, 347, 350, 351, 409 

 pant her ina, 312, 342, 351 

 phalloides, 340, 341, 342, 343, 344, 



345, 350, 362 

 porphyria, 350 

 radicata, 350 

 rubescens, 302, 343 

 spreta, 344 

 strobiliformis, 350 



wm, 341, 342, 344, 345, 350 

 wwa, 341, 342, 344, 350 



Amanita-toxin, 350 

 Amanitin, 350 

 Amanitopsis 

 strangulata, 345 

 vaginata, 201, 302 

 volvata, 350 

 Amber, 478, 479, 483, 484, 485, 486 

 Ambrosia beetles, 451 

 Ambrosia fungi, 451^52 

 American Phytopathological Soci- 

 ety, 421 

 Amidase, 48 

 Amino acids, 22, 83, 289, 325, 331, 



390, 436 

 Ammonia, 21, 22, 23, 283, 390, 436, 



437 

 Ammonification, 436 

 Ammonium chloride, 282, 288 

 Ammonium tartrate, 282 

 A?nphisphaeria posidoniae, 466, 469 

 Amphisphaeriaceae, 484 

 Amyelon radicans, 482, 487, 489 

 Amvgdalase, 40 

 Amvgdalin, 49 



Amylase, 38, 42, 45, 46, 41, 159 

 Anaerobic respiration, 56-62 

 Anellaria, 176 

 Angiosperms, 477 

 Angstrom unit, 123 

 Anisochytridiales, 462 

 Anisolpidiaceae, 461 

 Anisolpidium ectocarpii, 461, 472 

 Annulus, 343, 344, 347 

 Anopheles, 444 

 Antagonism, 279, 280-287 

 Anthostromella destruens, 143 

 Anthracene pigments, 390 

 Anthracnose, 108, 109, 179 



bean, 179, 221, 410 



clover, 410 



cotton, 179, 239, 410 



pepper, 239 



watermelon, 410 

 Anthracomyces 



cannallensis, 487 



rochei, 487 

 Anthrax, 354, 418 

 Antibiotic, 279, 427 

 Antigens, 423-424 

 Antisera, 350 

 Ants, 168, 174, 175, 452-454 



leaf-cutting, 451 



