216 



Teich. Kansensis, E. & E. 1. c. 



Perithecia scattered, minute, (120-175 /i), conic-hemispherical, 

 base slightly sunk in the bark. Ostiolum papilliform. Asci oblong 

 75-80 x 12 /i, sometimes shorter and broader (45-50 x 15 fi). Sporidia 

 biseriate, ovate-oblong, pale brown, 3-septate, finally 6-septate, and 

 slightly constricted across the middle, lower end subacute, about 20 x 

 8-9 p.. Teichospora pruniformis (Nyl.) which is also found on bark 

 of poplar and willow is much larger ( mm. diam.) 



On bark of cottonwood trees, Kansas. (Dr. Egeling). 



Teich vetusta, (Ell.) 



Sphcerta vetusta, EH. Bull. Torr. Bot. Club. VI, p. 135. 

 Strtckeria vetusta, Cke. Syn. 3167. 

 Teichospora vetusta, Sacc. Syll. 3908. 



Perithecia gregarious, superficial, of medium size, elongated-coni- 

 cal, thin, not polished, dull-black, with a depressed-hemispherical, black 

 and shining ostiolum with a large opening. Asci broad cylindrical, 

 obtuse, abruptly narrowed at base, 125x25 ju. Sporidia uniseriate, 

 obtusely and broadly-elliptical, nearly colorless, uniseptate and more 

 or less constricted at the septum when young, at length brown and 

 fenestrate, 22-25 x 12-13 ji. 



On a dead place in a living maple, Newfield, N. J. 



Teich. papillosa, E. & E. Proc. Acad. Nat. Sci. Phil., Pa., July, 

 1890, p. 242. 



Perithecia gregarious, subsuperficial, depressed-globose, J mm. 

 diam., strongly papillose-roughened, with a few short, weak, glandular 

 hairs when young, finally collapsing above. Ostiolum papilliform, not 

 conspicuous. Asci oblong, 75-85 x 20-24 /a, nearly sessile, paraphyses 

 evanescent. Sporidia crowded-biseriate, 8 in an ascus, oblong or 

 clavate-oblong, a little curved, obtuse at the ends. Mostly 5-septate, 

 with one or two of the cells divided by a longitudinal septum, hyaline, 

 becoming yellow-brown, 22-30x10-11 /i. 



On weather-beaten, decorticated limbs of Salix, Helena, Montana 

 (Kelsey). 



Teich. Helena, E. & E. 1. c. (Plate 23) 



Exsicc. EH. & Evrht. N. A. F. 2d Ser. No. 2369. 



Perithecia gregarious, semierumpent, \-\ mm. diam., granular- 

 roughened, collapsing above. Ostiolum minute. Asci clavate-cylin- 

 drical, 112-120x10-12 //, rather abruptly contracted below into a 

 short, stipe-like base, and surrounded with abundant paraphyses. Spo- 

 ridia uniseriate, ovate-oblong, brown, constricted in the middle, 5-7- 



