I-"! 



;■ mIJ 



488 



ol" tlio stroma, siiuill, mostly not over i mm. iliam., necks convorgiiiii, 

 their slioi-t, Itlack. rounded, then \nnl>ilicate and oi)en ostiola soon 

 oliliteratinu' the disk, execjjt a faint white rinir around the mai-gin, hut 

 not usually much exsertcd. Asci clavate. suhsessile, 25-30 x') n. 

 S|ioridia hiseriate, allantoid, not sti-onirly curved, hyaline, 0-8 x 1 .|- 

 1 ^ /i, ( 10 fi, IJerk : 10-12 //, Cke.). 



On hickory saplinjrs killed l»y fire, Xcwiield, X. J., on liranchcs 

 (A'Cdfya, I'ennsylvania (Michenei'), New York (Cot)k). 



Var. chJorodism {Vafsa chloro<lisva, C. ^' E., (Jrev. VIII, ]». 13) 

 (litters only in the yellowish disk. On the same lindis ai-e jMistnlcs 

 ol'tlic normal soi-t. V. carylyena and V. pra'staiix are closely allied. 



V. orbiciila, B. & ('. (hev. IV, p. 100, Cke. Valsei U. S. x\o. 3s. 



"Minute, orl)icular, showing the sulijacent iierithecia l>y trans- 

 |)arence, Itut not lilackcned, surrounded hy a idack line. Asci lanceo- 

 late, ."^jioridia sausage-shaped, 10 n long. 



On willow. South Carolina, No. 3404." 



V. colliciilus, (Woiiiisk.) 



Spliicria cdlliiuluf, Worin.sk. Kr. S. M. II, p. 3Sy. 

 Vaha cn/liniliis, Worinsk. Cke. Valsei I'. S. No. 2,^, 

 Kxsicc. RU. ife K\'rht. N. A. V. 2<l Ser. 1577. 



Pustules prominent, convexdiemispherical, 2-3 mm. diani., closely 

 covered l)y the cinereous epidermis, and uneven from the projecting 

 ))erithecia which (10-20 in numUer) arc closely packed within and 

 covered l)y a scanty stroma formed from t\w scarcely altered sulistancc 

 (tf the bark, aliout ^ mm. diam., with short, convei-gent necks, and the 

 minute, papilliform, black ostiola crowded and eium))ent, but scarcely 

 exsertcd. Asci slendcr-clavatc, 35-40x3 /t. Sporidia suldtiseriate. 

 allantoid, hyaline, 5-0 x 1| /i. 



On dead limbs of Prmis strobus, New York, New England and 

 Pennsylvania. 



EUTYPELLA. Nit8. 



I'yr. Germ. p. 163, Sacc. Syll. I. p. 145. 



Stroma valsoid, immersed in the wood or bark, and surroun(le<l 

 by a I)lack, circumscri!)ing line. Perithecia in one or several layers, 

 never simply circinatc, with rather thick, subcoriaccous walls, bkick 

 and shining inside when mature. Ostiola stellate-cleft. Asci long- 

 stipitate, 8-sporcd. Sporidia allantoid, mostly yellowish-hyaline. 



The most obvious character se[)arating this from Vaha is the 

 stellate-cleft ostiola. 



,i. 1" 



