667 



tiirouu'li the sulistanec of the stroma, witli tlieii- coarso, Mack, rough. 

 Iici'lbratod, conic-hciiiisphorical ostiola (finally subc()lla]»8iii,a-) tai'dily 

 criini])Oiit, but not exported. Asci cylindrical, short-.stipitate, pai-aphy- 

 sute, p. sj). 80-lOOx 10 //. Sporidia uuiscriate, olilong--olliptical, uni- 

 >;('ptnte and constricted, olitusoly rounded at the ends, deep roddish- 

 browii, 14-1()X !)-!() /i. 



On iiark oi' dea<l Ace)-, Faijus, Cnrpinus, Prnniifi, Liqiiiduin' 

 Ixw, Nyxxa, Vl/nns, &^:., common, Canada to Floi'ida. 



On hark with a thick epidermis, like choriy and scai'let oak, the 

 (■(>nce])tacles adliorf! to the epidermis and come otV with it. This does 

 Hot auree with the descri]»tion of Sphmrid (/utidt'cita, Schw. or with 

 the spccc. ol' that sjiecies in Hci-l). Schw. The ISphairia qnadrata in 

 llerl). Sc:hw. is a Ilypoxylon, as indicated in tiie diaunosis in Schw. 

 Syn. N. Am. I223. This sjjecies may be recou'nized by tlie tawny- 

 yellow color of the erumpent apex of the stroma. 



V. Ak«'aia'. E. & E. (in ITerl).) 



Perithecia ulobose, small, al)out 20() n diam., 3-G together, sub- 

 circinate in the scarcely altered substance of the inner l)ark, contracted 

 iib(fve into very short necks, which raise the bark into little exci'cs- 

 cence-like pustules through the i»ulvei'ulent surface of which the miiiute. 

 lilack ostiola arc baixdy visiltle. Asci cylindrical, sui)sessile, paraph- 

 ysate, 8-spored, 100-110x8-10 //.. Sporidia uniseriate, ol»Iong-ellip- 

 tical, straight or slightly curved, brown, uniseptate, obtuse, scaicdy 

 constricted, 12-18 x o-d ii. 



On dead vines o[ Akehia (/iiinnta (cult.), Xewfiehl. X. .1. 



V. iHistiilaiis, (E. & E.) 



/Mail ypi' piiiluliuis, K. & E. Jouni. Mycol. IV, p. So. 

 i'ahariii fiKsliilans, Sacc. Syll. Add. II, p. 7,s.S. 



Stroma llatt(Mie(l. lormed of the scarcely .ilterod sni)stance ol' the 

 matrix, covereii liy the cuticle which is lilackened and raised in a 

 |iiistiiliibrm manner, and finally pierc(^d by the slightly projecting, 

 papillilbrm ostiola. The separate stromata are \-\ cm. across, but are 

 more or less coullueut with each other for 2-4 cm. or more in extent: 

 llie surface of th<' culm being continuously blackened, anil the entire 

 area l)ounded l»y a Idack circumscrilting line. Perithecia memlirana- 

 n'o-coriaceous. subgloliose. or a little flattened, of medium size. 8-12 

 ill n stroma. Asci slender. 7")-8.') x (>-" //, sulisessile, with distinct, 

 fililurm paraphy.-;es. .'^poi'idia uniseriate. oldong, unis(>ptate and con- 

 stricted, slightly nai'rowed at the ends, straight, brown, 10-12 x 3 />«. 

 This is preceded oi' accompanied liy a Coniothyriitm with mimerou* 



