INDEX 



771 



Hyalopsora, 403 

 Hyaloria, 451, 453, 454, 534 

 europaea, 453 

 pilacre, 453 

 Hyaloriaceae, 453 

 Hybrids in fungi, 15 

 Hydatinophagus, 113 

 Hydnaceae, 11, 469, 475, 477, 480, 481, 

 483, 484, 494, 511 

 key to genera, 514 

 Hydnangiaceae, 534, 540, 543, 550 

 Hydnangium, 532, 540 

 Hydnellum, 482 

 Hydnes, 481 

 Hydnochaete, 482 

 Hydnocystis, 238 

 Hydnotria, 17 



ciibispora, 17 

 Hydnum, 12, 482, 602 



imbricahivi, 483 

 Hydrodictyon, 71 

 Hydrophora, 165 

 Hymenella, 576 

 Hymenial cavities, 531, 537 

 Hymenium, 203, 379, 436, 464, 465, 

 499 

 angiocarpic, 471, 495, 505 

 gymnocarpic, 471, 495, 505 

 monascous, 295 

 primordium, 505 

 pseudoangiocarpic, 471, 495, 505 

 structure, 465 

 Hymenochaete, 466, 475, 487 



cacao, 476 

 Hymenogaster, 532, 537 

 rehsteineri, 537, 538 

 tener, 538 

 Hymenogastraceae, 534, 537, 538, 539, 



640, 550 

 Hymenogastrales, 535, 536, 538, 546, 



550, 552 

 Hymenomyceteae, 12, 25, 379, 381, 458, 

 464 

 phylogeny, 651 

 Hymenoptera, 215 

 Hypha, 3 



acrogenous, 243, 313 

 dematioid, 320 

 flexuous, 390 

 laticiferous, 499 

 moniliform, 320 

 perisporioid, 320 

 receptive, 391 

 Hyphal bodies, 172, 176 

 Hyphochytriaceae, 70, 71 

 Hyphochytriales, 46, 69, 95, 632, 633 



key to families and genera, 74 

 Hyphochytrium catenoides, 70, 71 



Hyphochyiriu m — - {Continued) 



hydrodictii, 71 



infestans, 71 

 Hyphomyceteae, 583 

 Hyphopodium, 317, 318, 319, 320 

 Hypobasidium, 381, 437, 438, 439, 440, 



441, 443, 448, 456, 457, 464 

 Hypochnus, 467, 475 



solani, 475 

 Hypocopra, 275 

 Hypocreaceae, 272, 285, 287 

 Hypocreales, 203, 271, 272, 275, 285, 299, 

 309, 320, 322, 580, 599, 600 



key to families, 301 

 Hypoderma, 234 

 Hypodermataceae, 234, 240 

 Hypodermii, 16, 379 

 Hypomyces, 287 

 Hypostroma, 294 

 Hypothecium, 203, 219, 241 

 Hypoxylo7i, 268, 284, 287 



marginatum, 283 

 Hysterangiaceae, 534, 542, 544 

 Hysterangium,, 543 

 Hysteriaceae, 240 

 Hysteriales, 215, 239, 278, 294, 597, 639 



key to genera, 256 

 Hystermm insidens, 240 

 Hysterographium fraxini, 240 



minutum, 240 



Iceland moss, 223 

 Imperfect fungi, 572 

 Incompatibility, 269, 371 



genetic factors, 375 

 Indusium, 544 

 Ingold, 574, 575, 616 

 Inoperculatae, 46, 225, 230 

 Inoperculate series, 45 

 International Botanical Congresses, 15 

 Introduction, 1 

 Ipomoea batatas, 138, 151 

 Irene, 319 



echinata, 318 

 Irenina, 354 

 Irenopsis, 354 

 Iris, 596 



Irpex, 477, 481, 482, 484, 486, 494 

 Irpiciporus, 482, 494 

 Isaria, 598 

 Isoachlya, 110 

 Isogametes, 6 

 Isogamy, 143 

 Itajahya, 544 

 Itersonilia, 348, 349, 350 

 Iwadara, 601 

 Ixechinus, 495 



