Annual Report of the State Botanist 1892 - MykoWeb

38
Report of the State Botanist.
yellow, so that I should have considered them a distinct species,
or at least a variety, but for their agreement with the specimen
from France.
Phoma exocarpina n. sjy.
Perithecia gregarious, subsuperlicial, .014 in. broad, black;
spores narrowly elliptical, hyaline, .0003 to .0004 in. long, .00016
broad,
Exocarp of old pignuts, Carya porcina. Michigan. Ma3^
G. H. Hieks.
Macrophoina Philodendri n. sp.
Perithecia scattered or gregarious, small, .007 to .014 in.
broad, variable in form, thin, erumpent, black, opening by a wide
mouth when moist and revealing the white mass of spores Avithin;
spores oblong or subcylindrical, colorless, sometimes binucleate,
.0006 to .0008 in. long, .0ool6 to .0002 broad, supported on
slender sporophores about equal to the spores in length.
Var. maculicola. Perithecia on definite Avhite spots.
Living and dead leaves of Philodendvon pertasum^ growing in
a conservatory. jMichigan. May. Hieks.
Morchella bispora Sor.
Yar. trimcata. Pileus broadly rounded or truncate, its costa?
slightly prominent, the margin often a little recurved ;
numerous ; stem long. Michigan. May. Ilieks.
Geopyxis Hicksii n. sp.
paraphyses
Keceptacle about 6 lines broad, infundibuliform, glabrous,
brownish, the lu^menium adorned with a few costal radiating
from the center ; stem slender, from 8 to 12 lines long, scarcely
1 line thick, slightly enlarged above and expanding into the
receptacle, brown ; asci cylindrical .0006 U) .0008 in. long, .0005
broad; spores elliptical, even, .0005 to .('006 in. long, .0003 to
.0004 broad.
Ground. Michigan. Isi-ax. Hicks.
Remarkable for the straight radiating ridges of the hymenium,
by whicli the species may easily be recognized.