460 



1). Phaseolomm, (C. & E.) 



Sphferia Phaseolorum, C. & E. Grev. VI, p. 95. 

 Diaporthe Phaseolorum, Sacc. Syll. 2635, Cke. Syn. 2423. 

 Exsicc. EH. N. A. F. iS8. 



Perithecia gregarious, buried, very small. Ostiola spine-like, 

 slender, projecting for \-\ mm. Asci clavate, 30-35 x 6-7 p.. Spo- 

 ridia biseriate, oblong-Janceolate, 4-nucleate 7 scarcely or only slightly 

 constricted, 10-12 x3 p. (16 /j. long', Cke.). 



On decaying bean vines left exposed through the winter, New- 

 field, N. J. Mostly around the nodes of the stem, the surface mostly 

 blackened and the stronia limited within by a black line. 



D. Desmodii, (Pk.) 



Spharia Desmodii, Pk. 26th Rep. p. 87. 

 Sphtzria desmodiana, C. & E. Grev. VI, p. 93. 

 Diaporthe Desmodii, Sacc. Syll. 2633, Cke. Syn. 2420. 



Perithecia scattered or seriately placed, minute, black, covered 

 by the epidermis which is pierced by the acute or narrowly conical 

 ostiola. Asci clavate, 35 x 5 /*. Sporidia biseriate, fusiform, colorless, 

 2-4-nucleate, 8-10 x2| //. 



On dead stems of Desmodium, New York and New Jersey. 



In Grev. 1. c. the sporiclia are given as 18 /j. long, but we oau 

 make them only 10 t u. 



D. racemnla, (C. & P.) 



Sphceria racemula, C. & P. zgth Rep. N. Y. State Mus. p. 65. 

 Diaporthe racemula, Sacc. Syll. 2629, Cke. Syn. 2417. 



Perithecia cespitose, rugose, small, flattened, black, at length col- 

 lapsing, separating with the epidermis which is pierced by the elon- 

 gated ostiola. Asci clavate, sessile, Sporidia narrowly lanceolate, 

 colorless, 4-nucleate, 15 p. long. 



On dead stems of Epilobium angustifolium, New York. 



VALSA, Fr. 



Summa Veg. Scand. p. 140, emend. Sacc. Syll. I, p. 103. 



Perithecia immersed in the bark, more or less distinctly eircmate 

 and lying in a single layer. Ostiola entire, converging to the center 

 and mostly united in a small, eruinpent disk. 



Stroma cortical, without any circumscribing line. Disk mostly 

 black. (Euvalsa Nits. Pyr. Germ. p. 126). 

 Microsporce. Sporidia not exceeding 8 p. long. 



