5o8 



GENERAL INDEX 



Sporangia (of Pilobolus), height of dis- 

 charge, 10, 6a-67 

 crystals on, 88, 89-90 

 dispersion, 131 



dried discharged, in fields, 160 

 float in water, 153-156 

 on grass-blades, 164 

 orange-yellow, 54-55 

 patterns on, 184-189 

 premature discharge, 32-33 

 worms shot away with, 6-8 

 yeUow, 212-213 

 Sporangiophore (of Pilobolus), and caro- 

 tin, 18 

 „ contraction of, 132-140 



„ division of labour in, 107 



,, structure, 68-90 



Sporangiophores, of Mucor and Pilobolus, 



1-2 

 Sporangium (of Pilobolus), after being 

 shot away, 148-149 

 „ attachment of, 10, 45^6, 



148-161 

 „ contraction on drying, 83 



„ dissection of, 81-82 



drops on, 86, 87-88 

 „ drying up of, 82-85 



„ removal with a needle, 



75-76 

 „ structure, 56, 68-90 



„ submerged, 154 



Sporangium wall, of Mucor and Pilobolus 



compared, 167 

 Sporangium wall (of Pilobolus), breaking 

 up, 74, 77, 78 

 characteristics, 72 

 colourless, 54-55 

 crystals on, 88, 89-90 

 function, 165-166 

 lower band of, 72, 76 

 supposed breaking 



down, 46 

 „ unwettable, 153, 155- 



156, 163-165 

 Spore-cloud, of Sarcoscypha protrada, 

 240,241,257 

 „ of Sclerotinia sclerotiorum, 



photographed, 232 

 Spore-discharge, and external conditions, 

 235 

 „ and heliotropism of 



asci, 264-324 

 „ and movement of air, 



260-262 

 „ effect on air, 269 



Spore-discharge, in Morchella, and tem- 

 perature, 320-321 

 „ in Morchella esculenta, 



exposed to sun, 301 

 „ in radiosensitive Dis- 



comycetes, 321 

 Spore-dispersal, in Discomycetes and 

 Hymenomycetes, 324 

 in Pilobolus, 10-11, 74, 

 167 

 Spore-size, and wind, 320 

 Spore-stream, in Morchellaceae, 321 

 SpoTeVmg,s,oi Pilobolus cry sf/iUinus, 16, 17 

 Spores, and the perennial pseudorhiza, 

 394 

 and wind, 320 

 large, of Ptychoverpa bohemica, 



324 

 largest in Discomycetes, 237 

 movement in an ascus, 283, 284 

 not produced by a gemmifer, 



406, 410 

 of Discomycetes and Agaricaceae, 



320 

 of Morchellaceae, escape of, 



268-270 

 position in an ascus, 291 

 shape of, in Coprinus lagopus 

 and G. macrorhizus, 356 

 Spores (of Pilobolus), and impact of 

 sporangium, 74, 77, 78, 79-80 

 „ carotinoid pigment in, 180 

 ,, development, 15-17, 61 

 „ dichroism, 72 



,, germination, 10, 17, 50-51, 181 

 „ nuclei of, 16-17 

 ,, number, 74-75, 167 

 „ protection of, in discharged spor- 

 angia, 150 

 „ vitality of, 165-166 

 Spores durables, of van Tieghem, 13 

 Sporobolomycetes, spore-discharge, 227 

 Sporodinia grandis, crystalloids, 17-18 

 ,, ,, drop-excretion, 89 



Sporophore-rudiments, metamorphosis 



of, 454 

 Sporophores (of Omphalia flavida), in 

 nature, 417 

 ,, structure, 410-414 



Spot of light, as a photochemical stimu- 

 lus, 121 

 „ „ „ in eye of man and of 



Pilobolus, 115 

 „ „ „ in Pilobolus, 92, 93, 95-98, 

 100-101, 104-106 



