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PLATE I— (Continued). 
HyYGROPHORUS PARVULUS Peck. 
Page 50. 
. A plant of ordinary size. 
. A larger plant, showing the lamellz. 
. Vertical section of a pileus. 
3. Transverse section of a stem. 
. Spores x 400. 
STILBUM CANDIDUM Peck. 
Page 61. 
. Piece of a stem bearing four plants of ordinary size. 
. A plant magnified. 
. Spores x 400. 
HAPLOGRAPHIUM APICULATUM Peck. 
Page 62. 
. A leaf with its fungus-bearing gall. 
. The gall and its hairy coating of fungi slightly magnified. 
. Upper part of a plant bearing strings of spores, magnified. 
. Upper part of a plant deprived of its spores, x 400. 
. A branched string of spores x 400. 
3. Separate spores x 400. 
DISCELLA DISCOIDEA C. & P. 
Page 58. 
. Piece of a branch bearing the fungus. 
5. A pustule and its matrix magnified. 
36. A fertile filament bearing spores x 400, 
. Spores x 400. 
