542 



at first, becoming dark Id-own and 3-septate, ovate or oblong-elliptical, 

 15-20x6-7 />, sc; lively constricted at the septa, the terminal cells sul- 

 liyalinr. Has much the same general appearance as Valsaria cincta, 

 (Curr.). The bark and the surface of the wood beneath the stroma 

 are more or less blackened. 



On bark of fallen limbs of Tilia(f), Houston, Texas (Ravenel). 



Ps. Comptonise, (E. & E.) 



Diatrype Comptonicz, E). & E. Journ. Mycol. II, p. 89. 

 Thyridaria Comptonitz, Sacc. Syll. 7491. 



Stroma erunipent, subtuberculiform, small (1-3 mm.), subhemi- 

 >pheric or elongated, dull black outside, whitish within and consisting 

 of the scarcely altered substance of the wood. Perithecia often single 

 in the smaller stromata, or in the larger and more elongated ones 

 2-12, with thick walls, ovate or subangular from mutual pressure, 

 J-J mm. diam., contracted above into a short neck, with a short, 

 cylindrical or subconical, slightly projecting, smooth ostiolum. Asci 

 clavate, 75-85 jj. long, including the slender, stipitate base, surrounded 

 with abundant paraphyses and containing eight subfusoid, yellowish- 

 brown, 3-septate, slightly curved, 12-15x4-5// sporidia, which are 

 crowded into the upper half. The general appearance is much like 

 that of Cryptovalsa eutypceformis, Sacc. The ostiola are not sulcate 

 and have a smooth, round opening. The stromata arise either directly 

 from the wood or are seated on the lower stratum of the bark denuded 

 hy the flaking off of the superficial layer. 



On dead, partially decorticated stems of Comptonia asplenifolia, 

 Newfield, N. J. 



Species imperfectly known. 

 Ps. tubulosa, (B. & C,) 



Vaha tribulosa* B. & C. Grev. IV, p. 102. 



Pseudovalsa tubulosa, Sacc. Syll. 3358, Cke. Syn. 2104. 



Calospora tribulosa, Sacc. Syll. 3699 (Berlese Icones, pi. XXXIV). 



" Perithecia few, necks subcylindrical, projecting. Sporidia fusi- 

 form, triseptate, obtuse at the ends, brown, 30 x 10 //, (30-32 x 10- 

 12 JM, Berlese). 



On alder, South Carolina." 



Ps. couvergens, (Tode). 



SphcBria convergens, Tode Meckl. II, 39, fig. m. 

 Valsa convergens, Fr. (in Cke. Valsei U. S. p. 123). 

 Pseudovalsa convergens, Sacc. Syll. 3354, Cke. Syn. 2101. 



*' Tribulosa" is a misprint for "tubulosa." 



