Mutualism 



The kind of interspecies relationship, Coaction, or Sym- 

 biosis that is obligatory and beneficial to the two or more 

 participating organisms, e. g. a fungus and an alga in a 

 lichen. 



Mutuality 



The relationship where mutual benefit or dependence 

 occurs because of the proximity of organisms to one another. 



Mycelium 



The mass of Hyphae (q. v.) of a fungus, e. g., bread mold. 



Mycetophagous 



Refers to an organism that eats fungi, e. g., a Collem- 

 bolon that eats Hyphae. 



Mycetozoa 



See Myxomycete. 



Mycology 



The branch of botany that deals with fungi. 



Mycorrhiza 



The symbiotic relationship of a fungus with the roots of 

 certain plants, cf. Mutualism, Endotrophic, Ectotrophic. 



Mycorrhizomata 



The association of a fungus with a Rhizome. 



Mycothalli 



The association of a fungus with a Thallus. 



Mycotrophic 



Refers to a plant with Mycorrhiza. 



Myriapod 



An animal in the group Myriapoda comprising classes 

 Chilopoda (centipedes) and Diplopoda (millipedes), phylum 

 Arthropod*. 



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