YP o 
SN OY 
EXPLANATION OF PLATE Ti. 
OVULARIA MONILOIDES, #. & M. 
A leaf spotted by the fungus. 
A branchlet with the central part frosted by the fungus. 
A tuft of four flocci, two of them bearing spores, x 400. 
Seven spores, X 400. 
AGARICUS (INOCYBE) COMATELLUS, Peck. 
Four plants of usual size. 
Vertical section of a pileus and the upper part of its stem. 
A cystidium, x 400. 
Five spores, Xx 400, 
ASCOCHYTA COLORATA, Peck. 
A leaflet spotted by the fungus. 
Five spores, x 400. 
ASTERINA NUDA, Peck. 
Tip of a branchlet with three fungus bearing leaves. 
A leaf showing the fungus on the lower surface, magnified. 
A leaf showing the fungus on the upper surface, magnified. 
An ascus containing spores, X 400. 
Four spores, X 400, 
LEPTOSPH-ERIA LYCOPODIICOLA, Peck. 
Piece of a branch bearing the fungus. 
A perithecium and its matrix, magnified. 
Two paraphyses and an ascus containing spores, x 400. 
Four spores, xX 400. 
LEPTOSPHERIA CORALLORHIZ&, Peck. 
Piece of a stem, bearing the fungus. 
A perithecium and its matrix, magnified. 
A paraphysis and two asci containing spores, x 400. 
Four spores, xX 400, 
METASPHERIA MYRICA&, Peck. 
Piece of a branch bearing the fungus. 
A perithecium and its matrix, magnified, 
An ascus containing spores, xX 400, 
Three spores, x 400. 
CRYPTOSPORA CARY, Peck. 
Piece of a branch bearing the fungus. 
A pustule and its matrix, magnified. 
An ascus containing spores, x 400. 
Three spores, x 400. 
