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. sp. 



Perithecia gregarious, subsuperficial, .014: in, broad, black; 

 spores narrowly elliptical, hyaline, .0003 to .0004 in. long, .OOolO 

 broad. 



Exocarp of old pignuts, Carya porcinci. Michigan. May. 

 G. H. Hicks. 



Macrophoma 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 within; 

 spores oblong or subcylindrical, colorless, sometimes binucleate, 

 .0006 to .0008 in. long, .00016 to .0002 broad, supported on 

 slender sporophores about equal to the spores in length. 



Var. maculicola. Perithecia on definite white spots. 



Living and dead leaves of Philodeudron jyertusum., growing in 

 a conservatory. Michigan. May. Hicks. 



Morchella bispora *S'or. 



Yar. iruncata. Pileus broadly rounded or truncate, its costa? 

 slightly prominent, the margin often a little recurved ; paraphyses 

 numerous ; stem long. Michigan. May. Hicks. 



Geopyxis Hicksii n. sp. 



Heceptacle about 6 lines broad, infundibuliform, glabrous, 

 brownish, the hymenium adorned with a few cost^e 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 to .0008 in. long, .0005 

 broad ; spores elliptical, even, .0005 to .(i006 in. long, .0003 to 

 .0004 broad. 



Ground. Michigan. Ma}^ Hicks. 



Kemarkable for the straight radiating ridges of the hymenium, 

 by which the species may easily be recognized. 



