84 Twenty- FIFTH Report on the State Museum. 



Arcyria incaenata Pers. ^ 



Rotten wood and bark of sticks. Greenbasli. 

 This plant is less frequent than A. jpuniceits. 



Arcyria globosa SeJtw. 



Fallen chestnut burrs. Sandlake. September. 



Phoma nebulosum Be7'h. 



Dead stems of herbs. Albany. May. 



Cryptosporium Scirpi n. sp. 



Ferithecia gregarious on a pallid spot, subrotund or quadrangu- 

 lar, black; spores elongated-fusiform, slightl}^ curved, hyaline, 

 .0006' to .0007' long. 



Dead leaves and sheaths of Scirpus flumatilis. Castleton, 

 Rensselaer county. June. 



I find mingled with the fruit of this plant, long clavate, septate, 

 slightlj^ colored spores. Do both belong to one species ? 



GELATINOSPORIUM nov. gen. 



Perithecia suhnembranaceous^ erumpent^ rupturing at the apeOc^ 

 wrinkled lohen dry ; spores elongated', filiform, simple. 



When moist the perithecia gap open at the apex, revealing the 

 whitish gelatinous mass of spores within. 



Gelatinosporium abietinum n. sp. 



Ferithecia small, scattered, black; spores excessively elongated, 

 subfiliform, tapering to a long narrow point at each end, more or 

 less curved, usually containing a row of nuclei, subhyaline .0025' to 



»^-' .... 



Dead branches of hemlock trees, Greenbush. April. 



Gelatinosporium betulinum n. sp. 



Ferithecia large, clustered, crowded, prominent, bursting through 

 the epidermis by a transverse fissure, irregularly ruptured at the 

 apex, black; spores hyaline, subfiliform, pointed at each end, con- 

 taining a row of nuclei, .0013' to .0016' long. 



Dead branches of Betida lenta. Greenbush. June. 



Usually there are two or three perithecia in a cluster. When 

 dry they appear to form a single irregular mass. 



Sphj^ronema truncatum Fr. 



Rotten wood. North Elba. July. 



