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EXPLANATION. OF PLATE wie 
Ombrophila rubella Quel. 
Fragment of bark bearing the fungus. 
A plant and its matrix magnified. 
A branched filament bearing four clusters of spores magnified. 
Five spores, X 400. 
Geoglossum vitellinum Bres. 
Five plants of various forms. 
Three asci; two containing spores and two united below. 
Four spores, X 400. 
Periconia albiceps Pk. 
Piece of a stem bearing the fungus. 
Two plants magnified. 
Filaments of the head; two of them bearing spores, X 400. 
Four spores, X 400. 
Helotium fraternum Pk 
A petiole bearing four examples of the fungus. 
Two plants magnified. 
A paraphysis and an ascus containing spores, & 400. 
Three spores, X 400. 
Acremonium flexuosum P%. 
A piece of wood bearing the fungus. 
Branching filaments ; one of them bearing two spores, X 400. 
Three spores, X 400. 
Morchella angusticeps Pk. 
A plant of medium size. 
Two undeveloped asci; one containing crowded nuclei, X 400. 
An ascus containing spores, X 400. 
