496 



GENERAL INDEX 



Passiflora quadrangular is, osmotic pres- 

 sure, 145 

 Pastures, and Pilobolus, 10-11, 160, 161- 



168 

 Patouillard, N., on Mycena galericulata, 

 354 

 ,, „ on Omphaliaflavida, 406 



Patterns, on Pilobolus sporangia, 184- 



189 

 Peck, A. E., photographs made by, 288, 



311, 322, 327, 328 

 Pedicel (of a gemmifer), basal curvature, 

 418-420 

 „ defined, 417, 446 

 ,, detachment of a gemma from, 



423-425 

 ,, gravity in relation with, 418-^22 

 ,, sigmoid curvature, 420-425 

 Pellicle, of Collyhia radkata, 351 

 Penicillium cruslaceum, conidia and 



ultraviolet light, 166 

 Perception, of direction of light rays by 

 Pilobolus, 106 

 „ of images by Pilobolus, 106 



Perennial pseudorhiza, of Collybia fusi- 



pes, 346, 374- 

 394 

 „ „ of Sarcoscypha 



protracta, 239- 

 240, 394-396 

 Periodicity, in Pilobolus development, 



11, 58-62, 130-131 

 Permeability of protoplasm, 28, 29, 32 

 Peronospora parasitica, parasitism, 432 

 Peronosporeae, parasitism, 431—432 

 Persistency, of a perennial pseudorhiza, 

 385-386, 393-394 

 „ of Pilobolus sporangium 



wall, 72, 167, 200 

 Persoon, C. H., on Pilobolus, 4, 6, 8, 

 193, 197, 223 

 „ „ on puffing, 229 



Petch, T., heard puffing, 332 

 Petioles, and heliotropism, 110 

 Petiver, J., on Pilobolus, 3, 192, 193, 233 

 Peziza, and sound production, 328-329 

 „ and Sphaerobolus, 326 

 „ ascus discharge, forces con- 

 cerned, 33 

 „ projectile, 325 

 „ puffing, 229 

 ,, strains in ascus wall, 231 

 ,, tactiosensitive, 232 

 ,, why does it puff ? 235 

 Peziza acetabulum, hissing of, 329 



Peziza Asterigma, and A. vesiculosa, 



290 

 Peziza aurantia, audible puffing, 332, 

 334 

 „ ,, illustration, 334 



puffing, 228 

 ,, ,, red pigment, 281, 301 



Peziza gun, sound of, 328-331 

 Peziza mirabilis, a synonym, 236 

 Peziza repanda, a synonym, 33, 250, 

 289, 290, 333 

 ,, „ of Vol. I is Aleuria 



vesiculosa, 33, 250, 

 289, 290, 333 

 Peziza vesiculosa, and poisons, 33 

 Pezizaceae, and Aleuria vesiculosa, 286 

 „ heliotropic asci, 255 



„ protuberancy of asci, 271 



,, significance of puffing, 235 



Peziza-cups, and alveoli, 314 

 Pezizae, largest spores in, 237 

 Pezizeae, and Morchellaceae, 314 

 Pfeffer, W., on drops excreted by Pilo- 

 bolus, 22-23, 28, 29 

 „ „ on plasmolysis, 140 



Phacidium, and Coccomyces, 230 

 Phacidium coronatum, puffing, 230 

 Phacidium trigonum, puffing, 230 

 Phanerogams and fungi, mechanics, 315 

 Phillips, W., on Sarcoscypha protracta, 



236 

 Phillipsia, oblique ascostome, 256 

 Phillipsia Chardoniana, position of as- 



costomes, 255-257 

 Pholiota radicosa, pseudorhiza annual, 



347 

 Photic equilibrium, in eyes, 115 

 Photic orientation, of Volvox and 



Pilobolus, 113 

 Photic stimuli. 111 



Photically sensitive optical organ, 115 

 Photochemical change, in Pilobolus, 96, 



101 

 Photochemical equilibrium, 119 

 Photochemical mechanism, in Pilobolus, 



71 

 Photochemical reactions, of Pilobolus, 



106 

 Photochemically sensitive protoplasm, 



99, 104 

 Photography and puffing, 232-234 

 Photopositive and photonegative Volvox 



colonies, 112 

 Photosensitive substance, in Volvox eye, 

 112 



