FUNGI. 25 



twigs of willow ; n. 90 ; growing with Cytospora boreella, 

 n. sp. 



VALSA CERATOPHORA, Tul. Sel. Carp. ii. 191, t. 22. On 

 dead stems of alder, at Durango, 20 March ; n. 91. By the 

 somewhat elongated ostioles, these specimens are more at 

 agreement with Tulasius' figure than are most of the Amer- 

 ican material that has been referred to the species. 



VALSA LEPARGYRE,E, n. sp. Stromata abundantly scat- 

 tered, elevating the bark in conspicuous conical pustules ; 

 perithecia 12-20 or more in each stroma, buried with no 

 circumscribing line, black, membranous, of cellular paren- 

 chyma the cells averaging about 10/*, necks long, the 

 minute, smooth ostioles arranged in a circle about a brown 

 erumpent disc nearly Jmm. in diameter: asci delicate, 

 8 spored, nearly sessile, 40-50x6/-t; ascospores continuous 

 hyaline, slightly curved, ends obtuse, 12-16x3/4. 



On dead branches of Leparqyrea argentea, Herrnosa, April, 

 4 ; n. 92. 



DIATRYPACE.E. 



DIATRYPE ALBOPRUINOSA (Schw.) Cke. Grev. xiii. 37. On 

 dead branches of oak at Hermosa, 1 April; n. 27. 



SPH.EROPSIDACE2E. 



CONIOTHYRIUM ERiOGONi, n. sp. Pycnidia minute, buried, 

 black, thickly scattered, of loose-cellular parenchyma, cells 

 6-8 /u, in diameter, ostioles piercing the epidermis, about 80yu,; 

 sporules oval, light yellowish brown, about 6x4 /*; sporo- 

 phores not seen. 



On dead stems of Eriogonum umbellatum, at Hermosa, 

 4 April; n. 19. 



CONIOTHYRIUM PENTSTEMONis,n.sp. Subsuperficial, with- 

 out spots; pycnidia scattered, black, membranous, thin- 



