477 



V. salieina, (Pers.) 



Sphcsria salieina, Pers. Obs. I, p. 64. 

 Valsa salieina, Fr. Summa Veg. Scand. p. 412. 



Exsicc. Fckl. F. Rh. 614, 615. Kz. F. Sel. 147, 345. Rehm Asc. S2. Thum. M. U. 4&s, 

 869. Cke. F. Brit. Ser. I, 377. F. Sax. 259, 432. Roum. F. G. 558. M. March. 145 

 461, 1724. L,in. F. Hung. 173. Ell. & Evrht. N. A. F. 2d Ser. 1951. 



Stroinata tliickly scattered, depressed-conical, truncate, slightly 

 prominent, pustuliform, closely covered In* the epidermis, except the 

 small, whitish disk. Perithecia 6-12 in a stroma, circinating in the 

 unchanged substance of the inner bark, with very short and slender 

 necks and minute, black, globose, perforated ostiola erumpent around 

 the nmruin of the disk or irregularly scattered over it, scarcely ex- 



/ / 



serted. Asci narrow-oblong or clavate, 4-8-spored, 40-65x7-8 u, 

 subsessile. Sporidia allantoid. hyaline, slightly curved, 12-18 x 2J-4 a 

 (in the 8-spored asci). 2<)~;-'>o x 5-7 <>. (in the 4-spored asci). 



On dead \villo\\* limbs. Carolina and Pennsylvania (Schw.). also 

 New York. New Knirhmd and Canada. 



< * 



V. mult/en* also occurs on Salix, but is larger throughout from 

 stroma to sporidia. 



V. sordida. Nits. Pyr. (ierni. p. 203. 



Valsa deplanata, Fckl. Enum. Fung. Nassov. p. 55. 

 Exsicc. Sydow, M. March. 464. Rehm Asc. 729. Krgr. F. Sax. 173. 



Pusinl' 1 - Qumerous, thickly and evenly scattered, only slightly 

 prominent, 2-3 mm. diam. Perithecia 6-12 together, subcircinate in 

 the unaltered substance of the inner bark, globose or subcompressed, 

 medium sixe (l-l mm.). Ostiola short, thick, rounded at the apex and 

 finally Avith a rather narrow pore, erumpent mostly around the margin 

 of a grayish, finally brownish, disk. Asci clavate, 40-45 x 8 /JL (p. sp.), 

 or including the stipe-like base 50-60 /UL long. Sporidia subbiseriate. 

 cylindrical, hyaline, only slightly curved, 8-10 xl| //. in the Iowa 

 -pecc., 9-11 x 1| p. in Kriegcrs sj)ecc., and 10-12x2 /2 mostly in Rehm 

 Asc. Spermatia 4-1 /^, borne on long, slender basidia and oozing out 

 in yellow cirri li. 



On dead Populus, Iowa (Hoi way), California (Harkness). 



Differs from V. ambieits and V. salieina in its slenderer sporidia 

 and spermatia. 



V. boreella, Karst. Mycol. Fenii. II, p. 141. 



Exsicc. Sydow, M. Marchica, 1826. Ell. & Evrht. N. A. F. 2d Ser. 2520. 



Perithecia 8-20 together, circinating in the unchanged substance 

 of the inner bark, subglobose, about \ mm. diam., subdecumbent, necks 

 slender, converging. Ostiola obtuse, rounded, finally sublaciniately 



