wood in deep forests. Easily recognized
by its large size and uniform purple color. To the next species it
offers a general resemblance, but has larger sporangia and an entirely
different net. The plasmodium just before the formation of the fruit is
scarlet.

Maine, New York, Pennsylvania, Ontario, Oregon, Colorado.

14. CRIBRARIA ELEGANS _Berk. & C._

1873. _Cribraria elegans_ Berk. & Curt., _Grev._, II., p. 67.

Sporangia gregarious, erect or nodding, small, .4-.5 mm., bright purple,
stipitate; stipe long, slender, tapering upward, almost black, arising
from a scanty hypothallus; calyculus about half the sporangium, finely
ribbed, covered especially above with small purple granules, the margin
toothed or perforate; net well developed, the meshes small, polygonal,
the threads delicate, colorless, with many free ends, the nodules
dark-colored, numerous and somewhat prominent; spore-mass pale purple;
spores by transmitted light pale violaceous, smooth, 6-6.5 mu.

To be compared with the preceding. The small-meshed net with
well-defined, dark-colored nodules is distinctive, aside from the fact
of the much smaller sporangia. The stipe is also different, more
slender, smooth, and dark-colored. The habitat of the two species
appears to be the same. The present species is much more common, ranges
farther west, and is to be looked for on the Pacific coast.

New York, Pennsylvania, South Carolina, Missouri, Iowa; Black Hills,
South Dakota.

15. CRIBRARIA LANGUESCENS _Rex._

1891. _Cribraria languescens_ Rex, _Proc. Phil. Acad._, p. 394.

Sporangia scattered, very minute, .25-.35 mm., spherical,
long-stipitate, drooping; stipe 2.5-3 mm., slender, flexuous, subulate,
rugulose; calyculus about one-third the sporangium, reddish brown,
shining, minutely striate with granular lines, the margin more or less
regularly serrate; net reddish brown, the meshes triangular and the
threads simple, the nodes large, polygonal, flat, but well
differentiated; the spores when fresh dull red in mass, paling with age;
by transmitted light colorless, 6 mu, smooth.

A very singular species, easily recognizable by its long, slender
stipes, terminating in exceedingly small spherical sporangia. The colors
are obscure, but the striations on the calyculus are violet-tinted, and
the reds perhaps predominate elsewhere. "In its scattered and solitary
growth, its tall, slender stipes, and relaxed habit it resembles _C.
microcarpa_, in it