52 Ellis and Everhart : New Species of .fungi 



Amphisphaeria aspera E. & E. 



On Tetradymia, Montrose, Colorado (Bethel, no. 517). 



Perithecia gregarious or cespitose, the lower half sunk in the 

 bark, 400-600 // in diameter, depressed-globose, densely roughened 

 with projecting points, ostiolum papilliform or short-cylindrical : 

 asci clavate-cylindrical, short-stipitate, 80-90 X 75 /A obscurely 

 paraphysate : sporidia uniseriate, oblong, subinequilateral, unisep- 

 tate, not constricted, 20—30 x 8— 10 /£, clear brown. 



Teichospora brachyasca E. & E. 



On decorticated limbs of Quercns Watsoni, Rooks Co., Kan- 

 sas, May, 1899 (Bartholomew, no. 2599). 



Perithecia scattered, superficial, depressed-globose, 0.25—0.35 

 mm. in diameter, ostiolum obscure, papilliform or wanting : asci 

 obovate-oblong, sessile or nearly so, 35—45 X 16—20 /i, sporidia 

 irregularly crowded, obovate, 3 -septate, slightly constricted, more 

 distinctly so at the middle septum, one or two cells divided by a 

 longitudinal septum, 14-18 x 6-7 /i. 



Schizostoma Nevadensis E. & E. 



On decorticated Ephedra Nevadensis, Mesa Verde, Colorado, 

 July, 1899 (Bethel, no. 518). 



Perithecia gregarious, globose or subelliptical, sunk in the 

 matrix with the upper part projecting, about .5 mm. in diameter, os- 

 tiolum narrow, not very conspicuous : asci cylindrical, 75-80 x 

 7-10//, with abundant paraphyses : sporidia overlapping-uniseriate 

 or biseriate, oblong-fusoid, uniseptate, scarcely constricted, 15 X 

 4—5 ft, pale-brown. ♦ 



Mycosphaerella lithospermi E. & E. 



On dead stems of LitJwspermum officinale, Gillivray, Ontario, 

 Canada, June, 1898 (Dearness, no. 2862). 



Perithecia scattered, pustuliform-prominent, but subcuticular, 

 1 70-200 /i in diameter, flattened or sub-collapsed above : asci ob- 

 long cylindrical, short-stipitate, 70-80 x 12-15 p. : sporidia bi- 

 seriate, ovate-elliptical, hyaline, uniseptate and constricted, 12-16 

 x 6-8 ft. 



Leptosphaeria fraserae E. & E. 



On dead stems of Frasera speciosa, Rico, Colorado, July, 1899 

 (Bethel, no. 502). 



Perithecia scattered, subcuticular, but by the falling away of the 

 cuticle, superficial, globose, becoming depressed, 0.25 mm. in diam., 



