GENERAL INDEX 



497 



Phycomyccs nilens, Budei'.s experiment 

 with. 1((7-109 

 „ ., crystalloids, 17 



heliotropism, 37, 107- 

 109 

 „ illustration, 108 

 Phycomycetes, crystalloids in, 17-18 

 Physiological character, of asci, 285, 286 

 Physioltjgical equilibrium and inequili- 



brium in Pilobolus, 9(i 

 Physomitra, fruit-body form, 321 

 Pigment, black, in dried drops, 87, 88 

 ,. in paraphyses. 301 



in Pilobolus. 18, 54-55 

 ,, of asci and ascospores, 301 

 Pigment -cup, of Volvox, 112 

 Pigments, and ascospore-discharge, 301, 



321 

 Pilaira, a valid genus, 179 

 ,, and Mucor, 167 



and Pilobolidae, 10 

 and Pilobolus, 167 

 „ and rabbits, 179 



carotinoid pigment of, 180 

 connects Mucor and Pilobolus, 9 

 ,, genus defined, 216 



named by van Tieghem, 198 

 Pilaira anomala, and P. Moreaui, 199 

 from Baarn. 179 

 history, 195 

 „ ,. illustration, 217 



„ „ name, 10 



patterns on, 185 

 taxonomic description, 

 217-218 

 ,, zygospores, 12 

 Pilaira Cesatii, and Pilobolus anomalus, 



11 

 Pilaira dimidiata, described by Grove, 

 198 

 „ illustration, 218 



„ taxonomic descrip- 



tion, 218-219 

 Pilaira Moreaui, as a new si)ecies. 199 

 from Baarn, 179 

 illustration, 220 

 „ ,. taxonomic description, 



220-221 

 Pilaira niqre-'^rpns, by whom found, 198 

 „ ,. illustration, 218 



taxonomic descrip- 

 tion. 218 

 Pilaira Saccardiana, as a new species, 



199 

 illustrati(m, 219 



VOL. vr. 



Pilaira Saccnrdiana, taxonomic descrip- 

 tion, 219-220 

 Pileus, of Morchellaceae, 310 



„ rudimentary, pushed up through 

 soil, 353 

 Piloboli, and herbivorous animals, 302 



,, and Mucors, 49 

 Pilobolidae, and Mucorini, 190 



bibliography. 221-224 

 BuUer's remarks on, 178— 



189 

 definition of, 200 

 Grove's early monograph 



on, 9-10 

 Grove's present account of, 



178, 190-224 

 Grove's remarks on, 190-191 

 historical account, 191-199 

 in England and Canada, 190 

 in Saccardo, 190 

 old key to, 9-10 

 origin of name, 194 

 sex in, 12-13 

 summary, 462 



systematic account, 190-224 

 svstematic arrangement, 

 ^ 199-221 

 ,, zygospores, 197 



Pilobolus, a possible enzyme in, 136-137 

 „ abscission of sporangium, 73, 

 76, 135, 136 

 and Chordostylum, 194 

 and Cyclops, 113 

 and darkness, 137 

 and daylight. 131 

 and herbivorous animals, 3, 



10-11, 161-168 

 and leaves, heliotropism of, 



109-111, 128 

 and leaves, osmotic pressure 



of. 140-145 

 and light, 34-35, 36-41 

 and Mucor. 1-2. 72, 167, 194 

 and Mucor obliquus, 8 

 and Nematode worms, 3-8 

 and ocellar theory of helio- 

 tropism, 111 

 and pastures, 167-168 

 and Pilaira, 9, 167 

 and rabbits, 179 

 and Sphaerobolus, 326 

 and the human eye, 115 

 and Volvox, heliotropism, 



111-115 

 and worms, 3-8, 192, 194 



2k 



