DIFFERENCES AMONGST FUNGI. 



491 



little brown coats (see fig. 355 12 ). And all these peculiar forms arise under similar 

 external conditions from apparently similar slimy and formless masses of proto- 

 plasm. 



The same thing occurs in the Mushroom and Toadstool Fungi (Hymeno- 

 mycetes) which develop in the mould of the forest ground and on the dead bark 

 of tree-trunks. The mycelium is a network of white threads and strands, and 

 neither the form of the colourless elongated cells composing the network nor 



cap (p*) spotted W ith white, and near at hand, 



