GENERAL INDEX 



495 



Omphalia flavicJu, origin of name, 403 

 ,, ,, peculiarities, 397 



„ ,, penetration into 



leaves, 418 

 „ „ pure cultures, 404- 



406 

 „ ,, reproduction by 



gemmae, 397 

 „ „ resemblances of gem- 



mifer and sporo- 

 phore, 415-416 

 „ ,, spores and leaf in- 



fection, 414 

 „ ,, sporophores, 403, 404- 



406, 412 

 „ ,, sterility of mycelium, 



433-434 

 „ „ Siilburn flavidmn as a 



stage, 401-406 

 „ ,, structure of gemmifer, 



406-410 

 „ „ structure of sporo- 



phore, 410-414 

 „ „ summary, 470^72 



Omphalia Martensii, luminescence, 441- 



442 

 Open spaces, and asci, 324 

 Operculum, and heliotropism of asci, 

 255, 301 

 ,, change in position of, 255 



,, oblique position, 284-285, 



286 

 ,, of Sarcoscypha protracta, 



244-246, 250, 251, 252 

 ,, position of origin, 301 



,, symmetrical situation of, 



264, 266 

 Optical sense organ, of Pilobolus, 111 

 „ ,, ,, of Volvox and Pilo- 



bolus, 113 

 Orange, and Omphalia flavida, 433 

 Orange pigment, in hymenium of 



Discomycetes, 301 

 Orange-coloured granules, in Pilobolus 



Kleinii, 195 

 Orange-red pigment, in Pilobolus, 18 

 Orange-red protoplasmic ring, of Pilo- 

 bolus, shot away, 99 

 Orhilia xanthostigma, puffing, 228 

 Orientation, in Volvox, 114 

 Ortho-heliotropic j^lant organ, and Pilo- 

 bolus, 1 1 1 

 Osmotic pressure, in an ascus, 246 



„ ,, in flowering plants, 



144-145 



Osmotic pressure, in Pilobolus, 34, 57, 

 140-145, 147, 148, 

 183-184 

 Ostrya virginiana, and Collybia radicata, 



348 

 Otidea, and sound production, 329 

 puffing, 229 

 „ tactiosensitive, 232 

 Otidea hporina, audible jjuffing, 335 

 ,, ,, heliotropism of asci, 309- 



310 

 hissing of, 330-331 

 „ ,, illustration, 329 



puffing, 310 

 Otidea onotica, heliotropism of asci, 309- 

 310 

 ,, ,, illustration, 310 



puffing, 310 

 Oxalic acid, and Sclerotium coffeicola, 450 

 Oxygen, and Pilobolus development, 26 



Palisade liyphae, in young apothecium, 



274, 275, 297 

 Palla, E., on Pilobolus, 9, 190, 199, 223 

 Panaeolus, spore colour and light, 165 

 Pandorina, eye-spots. 111 

 Panus stypticus luminescens, lumines- 

 cence, 438 

 Paraffin oil, and Pilobolus, 26, 30, 109 

 Paraffined glass beads, and Pilobolus, 



155-156 

 Paraffinum liquidum, and Phycomyces 



nilms, 108-109 

 Paraphyses, and asci, 254, 296-300 



„ and discharge of asci, 248, 



254 

 and mucilage, 300 

 anheliotropic, 273, 278, 308 

 branching of, 300 

 coloration of, 301 

 do not anastomose, 300 

 functions of, 254, 300 

 heliotropism, 297-299, 306 

 lateral expansion, 298, 300 

 mature before asci, 297 

 origin of, in an apothecium, 



274, 275, 297 

 swelling of, 289 

 Parasite, non-specialised, 431-433 

 Parasites, of Pilobolus, 12-13, 18-22 

 Parasitism, discussion of, 431-432 



of Collybia fusipes, 392-393 

 Parr, R., on heliotropism of Pilobolus, 

 36, 37^0 



