North AtneHcav Fungi. 19 



Growing- in woods on old trunks. New York, Peck ; Penn- 

 sylvania, Gentry: 0\\\o, Morgan ; Wisconsin, .^;y;7i 7/. Perid- 

 ium }i-i/i inches in diameter. A singular species well 

 marked by its very distinctly pitted inner peridium, the little 

 pits resembling those in a thimble. It is also one of the few 

 species with simj^le hyaline threads. 



/?. Peridium very snia//, g/obose ; the siibo/eba nearly 

 odso/ete. 



I. Cortex a thin coat of n/innte spinn/es, scales or 

 granules. 



26. ly. WRiGiiTii, B. & C. Peridium globose, sessile, 

 with a fibrous mycelium. Cortex a thin, whitish, minutely 

 fibrillose-spinulose coat, the spinules often convergent at the 

 apex, drj'ing up and quite persistent on the pale brown sur- 

 face of the inner peridium. Subgleba obsolete ; mass of 

 spores and capillitium greenish-yellow, then brownish-oliva- 

 ceous ; the threads variable in thickness, sparingly branched ; 

 spores globose, even or very minutely warted, 3.5-4.5 mic. 

 in diameter, often with a minute pedicel. 



Growing on the ground in woods. New England, Wright ; 

 New Jersey, Ellis; Ohio, Morgan. Peridium ^-^ofan 

 inch in diameter. 



27. L. PUSiLLUM, Batsch. Peridium globose, sessile, 

 with a slender cord-like root. Cortex a thin whitish furfura- 

 ceous coat, drying up into minute squamules which are quite 

 persistent on the pale brown surface of the inner peridium. 

 Subgleba obsolete ; mass of spores and capillitium greenish- 

 yellow, then brownish-olivaceous ; the threads very much 

 branched, the main stem about as thick as the spores, the 

 branches tapering; spores globose, even, 3.5-4 mic. in 

 diameter, often with a minute pedicel. Plate 11, Fig. 7. 



Growing on the ground in fields and open woods. New 

 York, Peck; North Carolina, Curtis; Ohio, Morgan; Wis- 

 consin, Trelease : Kansas, Crag in Peridium ^8-^ of an inch 

 in diameter. 



28. L. OBLONGiSPORUM, B. & C. Peridium subglobose, 

 with a slender mycelial cord. Cortex a thin, whitish, furfura- 

 ceous coat, drying up into minute persistent granules on the 

 pale brown surface of the inner peridium. Subgleba nearly 



