ZYGOMYCETES 



93 



The relationships of the Zygomycetes are wholly obscure. Vuillemin 

 (1886, 1912) and Lotsy (1907) connect the Zygomycetes through Basidio- 



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6o/us to the Conjugales of the green algae and derive the Entomoph- 

 thoraceae and Mucoraceae from the Basidioboleae. Davis (1903) 

 considers in general terms the green algae, especially the isogamous 



