SUBJECT INDEX 



511 



Honey agaric, 339 

 "Honey dew," 357 

 Hooves, 367, 379 

 Hordeum 



ardaemiensis, 263 



commutatas, 263 



europaeiim, 262 



hordeacens, 263 



mtemiptus, 263 



racemosus, 263 



sativum^ 274 



secalimis, 263 



vulgare, 262 

 Hormischim pithy ophilum, 453 

 Hormodendron cladosporioides, 23 

 Hormodendrwn, 452 



pedrosoi, 371, 372, 392, 393 

 Hormones, 280, 288, 290 

 Hornbeam, 306 

 Horns, 367, 379, 386, 389 

 Horses, 176, 366, 374, 376, 406 

 Host penetration, 236-256 



bv ectoparasites, 252-253 



direct, 237-248 



haustoria and their significance, 

 252-253 



implications, 254 



stomatal, 248-251 



wound, 251-252 

 Hwnaria gram data, 177 

 Humidity, 215, 218 

 Humus, '50, 305, 430, 434, 435 

 Hvalospora, 408 

 Hybridization, 263, 266-267, 272, 



317, 334, 427 

 Hydathodes, 236 

 Hydnaceae, 486 

 Hydnites argillae, 486 

 Hydnam 



jerrugineum, 85 



imbricatum, 82 



ochraceitm, 102 



pidcherrimum, 103 



repandwn, 302 

 Hydroergotinine, 359 

 Hydrofluoric acid, 479 

 Hydrogen acceptor, 58 

 Hydrogen peroxide, 283 

 Hydrogen-ion concentration, 151- 



164 

 Hydroids, 137 

 Hydroquinone, 44 



Hydroxyl ions, 151, 154 

 Hygrophorus 



bresadolae, 302 



conicus, 342, 348, 350 



lucorum, 302 

 Hylurgopinus, 451 

 Hymenomycetes, 125, 137, 176, 195, 

 7^/199,200-202, 285, 302, 312, 

 325, 327, 405 

 Hymenoptera, 174 

 Hyperparasite, 240, 280, 285, 286 

 Hyphal anastomosis, 385 

 Hyphal fusions, 265 

 Hyphochytriaceae, 462 

 Hypholoma 



fascicidare, 158, 328, 409 



incertum, 82 

 Hyphomycetes, 373, 435, 445 

 Hyphopodia, 254 

 Hypochnaceae, 485 

 Hypochnus 



centrifugus, 281, 294 



cyanescem, 302 



sasakii, 281, 294 

 Hypochiiites, 485 

 Hypocreaceae, 484 

 Hypocrella, 444, 447 

 Hypoderma, 431 



lam'mariae, 469 

 Hypodermataceae, 232 

 Hypomyces, 285 



ipomoeae, 266, 274, 323, 337, 453 



ipomoeae alba, 325 



ipomoeae purple, 325 



ipomoeae r eve eta, 325 



ipomoeae revoliita, 325 



lactifluorum, 187 

 Hypoxylon 



coccineum, 189 



fuscztm, 136, 131, 187 

 Hysteriaceae, 483 

 Hysteriales, 466 

 Hysterites 



ancinitis, 483 



cordiatis, 483 



lcerya purchasi, 447 



Ichthyophomis hoferi, 462, 463, 471, 

 472 



Ichthy osporidhun hoferi, 463 



Identification of poisonous mush- 

 rooms, 343-349 



