504 



GENERAL INDEX 



Pseudorhiza, tortuous course of, 370 

 „ upward growth of, 393 



„ variable length, 349-351, 



370 

 Pseudorhizae, lateral grafting, 389-390 

 Pseudorhizal mass, of Collyhia fusipes, 



389-390 

 Pseudorhizal strand, of C. fusipes, 381, 



382, 384 

 Pseudosclerotia, and the pseudorhiza, 



347 

 Pteridophyta, and Omphalia flavida, 433 

 Ptychogaster, and O. flavida, 417 

 Ptychoverpa, fruit- body form, 321 

 Ptychoverpa bohemica, curved asci, 322- 



323 

 „ ,, heliotropic asci, 



323-324 

 „ „ large spores of, 237 



Puffing, a mechanical phenomenon, QSl 

 and a blast of air, 257-260 

 and animals, 308 

 and darkness, 342 

 and heat, 232 



and law of inverse squares, 342 

 and poisonous substances, 230- 



232 

 and salts, 230 



and sornid production, 329-343 

 and the ear, 331-332, 341-342, 



343 

 and touching, 232, 304, 305, 308, 



309 

 and wind, 308, 332 

 as a ballistic phenomenon, 261 

 caused by a stimulus, 231-232 

 comparative sounds, 342 

 definition of, 227-228 

 direction of, 240-243, 283, 307 

 duration in minutes, 342-343 

 duration in seconds, 333, 334 

 effect on air, 260-262 

 energy of sound waves of, 342 

 explanation of cause of, 231-232 

 hiss produced by, 257, 259 

 historical remarks on, 228-232 

 illustrated by photographv, 232- 



234 

 in Aleuria vesiculosa, 333-334 

 in A. vesiculosa under natural 



conditions, 303-304 

 in Ascobolus stercorarius, 336 

 in Ciliaria scutellata, 283, 336 

 in Discomycetes, 227-263, 327- 

 343 



PuflBng, in Galactinia badia, 305, 335 

 in Morchellaceae, 321 

 in Otideae, 310, 330-331, 335 

 in Peziza aurantia, 334 

 in Pustularia catinus, 331-332 

 in Pyronema confluens, 336 

 in Rhizina influta, 340-343 

 in Sarcoscypha protracta, 227- 



263 

 in the field, 238-239 

 in Urnula Craterium, 335-336 

 in U. geaster, 336-340 

 method of making audible, 331- 



343 

 significance, 235, 262 

 sound of, 230, 238, 328-343 

 successive, 299, 303, 331, 340- 



341 

 summary, 462-465 

 under natural conditions, 303- 

 304, 343 

 Pulvinus of leaves, and heliotropism, 110 

 Purton, T., on Pilobolus, 194, 197, 223 

 Pustularia, and sound production, 328- 

 329 

 „ projectile, 325 



„ tactiosensitive, 232 



Pustularia catinus, audible puffing, 331- 

 332, 333, 340 

 ,, ,, illustration, 332 



Puttemans, M. A., on Omphalia flavida, 

 432 

 „ „ on Stilbella flavida, 



406, 407 

 Pycnopodium, and Pilobolus, 195 

 Pycnopodium lentigerum, and Pilobolus, 



195 

 Pycnospores, and ultraviolet light, 166 

 Pjrrenomycetes, ascus discharge, 231 

 Pyronema confluens, apothecial develop- 

 ment, 297 

 ,, ,, audible puffing, 332, 



336 



QuELET, on Ciliaria, 279 

 Quercus, and CoUybia fusipes, 374 

 Qu£rcus Robur, and C. radicata, 348 



Rabbits, and Pilaira, 179 



„ and Pilobolus, 179 

 Rabinovitz-Sereni, on resistance of 

 spores to ultraviolet light, 166 



