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EXPLANATION OF PLATE I. 
SEPTOGL@uM APpocynt, Pk. 
Page 45. 
A leaf with two spots produced by the fungus. 
. Three spores x 400. 
SEPTORIA MICROSPERMA, P/ 
Page 44. 
. A leaf bearing three groups of the fungus. 
A fragment of a leaf with a perithecium magnified. 
Four spores x 400. 
ASPERGILLUS GLAUCUS, Lk. 
Page 49. 
A fragment of Polyporus bearing a patch of the fungus. 
A young plant magnified. 
Two mature plants magnified. 
. Upper part of a plant with most ‘of the spores removed, more highly 
magnified. 
Four spores x 400. 
GRAPHIUM GRACILE, Pk. 
Page 50. 
. Part of a leaf with spots produced by the fungus. 
. A fragment of a leaf and four plants magnified. 
The upper part of a plant with Spores x 400. 
PEZIZA BALSAMICOLA, Ph. 
Page 51. : 
A leaf with the subiculum and three cups of the fungus. 
. The same slightly magnified. 
. Part of one of'the coarse colored threads of the subieulum with its 
spore-like bodies x 400. 
. Delicate colorless nas of the subiculum with their fusiform conidia 
X 400. 
. Three conidia x 400, 
. A cup magnified. 
A paraphysis and two asei containing spores x 400. 
. Three spores x 400. 
MELIOLA BALSAMICOLA, Pk, 
Page 52 
A leaf with the subiculum and five perithecia of the fungus. 
3. The same slightly magnified. 
A peritheciunr more highly magnified. 
Two asci of usual form, with their spores x 400. 
. An ascus of unusual form, with its spores, x 400. 
Three spores x 400. 
