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493 
MACROSPORIUM AMARANTHI. 
Hyphae short, .0008 to .0012 in. long, septate, slightly nodose 
at the top, forming minute punctiform blackish tufts; spores cla- 
vate oblong-clavate or subfusiform, 3- to 8-septate, one to three 
of the cells with longitudinal septa, .oo12 to .0024 in. long, 
exclusive of the slender pedicel which is commonly shorter than 
the spore. 
Dead spots of leaves of Amaranthus retroflexus. Kansas. 
August. Bartholomew. 
The fungus appears to the naked eye to form brownish 
patches on the spots. 
MACROSPORIUM CLEMATIDIS. 
Spots small, 2 to 3 lines broad, suborbicular, whitish, gray or 
brownish, often with a more or less distinct brown border; 
hyphae amphigenous, caespitose or thinly effused, colored, septate, 
flexuous, .002 to 004 in. long, .00025 to .0003 broad; spores 
obovate or subclavate, 3- to 4-septate, commonly constricted at 
the septa, .oo1 to .0016 in. long, .0005 broad, the pedicel nearly 
as long as the spore. 
Living or languishing leaves of Clematis Fremonit. 
September. Bartholomew. 
Kansas. 
HEYDENIA FUNGICOLA. 
Plant scarcely half aline high, black; receptacle at first ellip- 
tical, becoming hemispherical truncate or disciform above and 
dusted with the spores, about .007 in. broad ; stem subcylindrical ; 
spores catenulate, globose or subglobose, colored, .00016 to 0002 
in. long. . 
On old specimens of Polyporus adietinus green with incrusting 
alge. Maine. Sept. F. L. Harvey. © oe 
This was found associated with Calicium tigillare which it 
_ Closely resembles. 
