136 RESEARCHES ON FUNGI 



continue their development shall begin their growth in a position 

 favourable for the mechanical fixation of the mature fruit-bodies, 

 i.e. in a dark crevice in the substratum. It is also probable that 

 the other factors concerned in the fixation of the fruit-bodies of 

 Panaeolus campanulatus. Galera tenera, Stropharia semiglobata, 

 Anellaria separata, and large horse-dung agarics in general are 

 essentially the same as those which have been found to be concerned 

 in the fixation of the fruit-bodies of Coprinus sterquilinus. 



