GENERAL INDEX 



407 



Sexual fusions, in Tilletia tritici, 220, 240 



,, „ in Ustilago, 16-23 



Sexual substances, excretion of, 11, 15, 



16-17, 68 

 Sexuality, loss of, in Saccharomycetes, 

 206 

 „ possible loss of, in Sporobo- 



lomyces, 204, 206 

 Seyfert, R., on clamp-connexions in 



Ustilaginales, 38, 241 

 Shape, of bunt-balls, inheritance of, 



214-215 

 Sharp, L. W., on nuclei and growth, 47 

 Shirai, M., and Hara, K., on Sphaero- 



bolus, 280 

 Side-to-side fusions, critical remarks on, 



65-68 

 „ ,, definition, 68 



Sieve-plates, and septa of fungi, 125 

 Sieve-tubes, and hyphae, 149 



,, and Laminariaceae, 88-89 



,, and protoplasmic conti- 



nuity, 87 

 Smith, R. E., on heterokaryosis, 73 

 Smut Fungi, clamp-connexions, 38, 241 

 ,, ,. sexual fusions, 16 



„ „ sporidia, 209 



Smut-balls, illustrations, 208-215 

 number of spores, 212 

 Soil, and Tilletia tritici, 261 

 Solidago serotina, and Sphaerobolus, 356 

 Sooty moulds, and Sporobolomyces, 173 

 Sordaria fimicola, streaming, 102-110 

 Sound, emitted by Sphaerobolus gun, 



325, 382 

 Species, differentiation by hyphal-fusion 



method, 18-25, 74 

 Sphaerobolus, and pepsin, 370 

 ,, and wind, 383 



,, as a coprophilous fungus, 



349-359, 383 

 „ as a lignicolous fungus, 



349-350, 367-370 

 ,, compared with Pilobolus 



and Ascobolus immersus, 

 359-365 

 dissemination, 365-370 

 distribution, 279-280 

 general account, 279-370 

 history, 280-284 

 ,, infection of wood, 367- 



370, 383 

 ,, member of one of two 



groups of coprophilous 

 fungi, 365-367 



Sphaerobolus, primarily a coprophilous 

 fungus, 359 

 ,, relations with light, 346- 



349, 383 

 ,, relations with water, 345- 



346 

 „ species of, 284-287 



„ substrata in nature, 279- 



280 

 summary, 380-383 

 Sphaerobolus dentatus, and S. stellatus, 



284 

 Sphaerobolus gun, and water, 321-333 

 „ ,, artificial discharge, 



331-333 

 „ ,, artificial projectiles 



discharged, 313- 

 316 

 „ ,, diameter, 311 



,, ,, discharge under water, 



322 

 ,, „ eversion of inner peri- 



dural, 312-313, 

 317-319, 334, 339- 

 340 

 „ kinetics, 337-345 

 ,, ,, largest, most power- 



ful, and loudest 

 fungus gun, 325, 

 382 

 ,, ,, mechanism, 280-281, 



312-325 

 ,, ,, model, 319 



,, ,, projectile shot to 



ceiling, 3*26-327, 

 334 

 „ range, 325-337 

 ,. ,, rate of developing 



energy, 344 

 ,, ,, structure and mech- 



anism, 299-325, 

 381 

 ,, ,, summary of calcula- 



tions, 344-345, 383 

 ,, ,, working distance, 



324, 381 

 Sphaerobolus iowensis, and wind, 365 



,, ,, clamp-connexions, 



293 

 ,, ,, description, 285, 



287 

 ,, ,, glebal chambers, 



283, 380 

 ,, ,, illustrations, 282- 



285 



