236 PROCEEDINGS OF THE ACADEMY OF [1890. 



ends, slightly curved, 1-septate, hyaline at first, becoming brown, 18 

 -22 X 4.]-5i 11. 

 Melanconis salioina. 



On dead limbs of Salix, London, Canada, Jan., 1890. Stroma 

 flat, thin, orbicular, about 2 mm. in diam. composed of the slightly 

 altered substance of the bark whicli is not perceptibly elevated above 

 it, surrounded by a black circumscribing line which does not 

 penetrate below the surface of the wood. Perithecia 3-6 (exception- 

 ally only one) in a stroma, large (f mm.), globose, membranaceous 

 with a light colored nucleus, contracted above into short necks 

 which terminate in a rather broad, round, concave ostiolum piercing 

 the epidermis but scarcely rising above it. Asci broad lanceolate, 

 90-110x12-16 //.. (p. sp.) with abundant paraphyses. Sporidia 

 crowded-biseriate, oblong-fusoid, 1-septate and slightly constricted, 

 a little bent or curved, 40-60 x 8-10 ii. yellowish-hyaline with a 

 short obtuse apiculus at each end. Spermogonia in a central peri- 

 thecium in the middle of the stroma. The base of the perithecia is 

 sunk in the surfiice of the subjacent wood. 



Valsaria salicina. 



On dead limbs of Salix, London, Canada, Jan., 1890. J. Dear- 

 ness, No. 1312. Stroma subovate, 2-22 mm. diam. buried in the 

 bark, the upper part light colored within and projecting so as to 

 forma brownish-black subhemispherical tubercle, 1-2 mm. across and 

 less than 1 mm. high, minutely papillose above from the slightly 

 projecting ostiola. The upper projecting part of the stroma is of a 

 light horn-color inside. Perithecia 10-20 irregularly crowded in 

 the bottom of the stroma, ovate globose, with thick coriaceous walls, 

 contracted above into slender necks 1 mm. or more long, terminating 

 above in the papilliform ostiola. Asci slender 70-80 x 5-6 !>■. (p. 

 sp.). Paraphyses abundant, longer than the asci. Sporidia obliquely 

 1-seriate, oblong, crowded, cylindrical, 2-nucleate, brown, 1-septate, 

 10-12 X 3-} ,'A. Allied to V. anthostomoides, Sacc. 



Leptosphaeria maclurae. 



On leaves of Madura aurantiaca, Emma, Saline Co., Mo., Aug., 

 1889. Rev. C. H. Demetrio. Spots as in Sphaerella Maclurae, E. 

 & E. (which occurs on the same leaves) suboi'bicular reddish-brown, 

 4-10 nmi. diam. with a darker margin and deciduous center. Per- 

 ithecia mostly hypophyllous, innate-erumpent, small (75 ij..), black. 

 Asci oblong-cylindrical, 50-60 x 8-10 !>.. Paraphyses? Sporidia 



