400 



the l<»vv<'f, siiiiillci' li;ill 3-('('1I(m1, with ii iicliitiiiolis ('1ivcI«)|k' wliicli i- 

 ronstriok'd in tlic iiii<l<ll('. lnowii, ')0-T4 x 14-'iO //. 



On (load hriinclics of l»ircli trees, I'oi'lville, N. Y. (Peek). 



Jft/.rnri/i-liiM coriJtiictiH. Kiess is considered to l>e tlie |>_venidi;d 

 I'orni or this species. 



M. iiiqiiiiiniis, (Tode). 



St>liiriia ill (/III II (I U.S. Tode Ktliijfi Meckl. II. p. 17. 

 S/ihifiiit sigaspdiii, Dcstii. I'l. Crypt. Kil. I, .vAs. i'l- K<1 II. 1765. 

 MaxMifid j;i\;ii.''/'iiiti, Ct'S. it I)c Not. Stliema. p. ■(,?. 

 Ma.istiiiii Hiillitiidi, Till. StI.Carp. II, p. 2,;6. 

 .yftiSMii id iiii/iiiihiiis, Kr. Siiiiiina, p. ,^'iy. 

 Kx.sicc. I'ckl. V. Rli. Sd.i.— Kal). V. \',. 12.^7. is-"'.— Tluiin, M. V . lyjo.— Sacc. M. Vi'ii. iiSy 

 Koiiin. I-". C. 1,^87.— M. March. I7,;,s. — Ki'hni. Asc. 9.Sy. 



I'oritlieciii thickly scattered, lairied in th(; inner liark and jiene- 

 Iratinii' to tlie wood, ••loliose, 1-1', nun. diani., raisint>' the ejtideriiiir' 

 into distinct pnstules, with the short-cvlindrieal (»stiola einni|teiit. 

 Asci ol)|oii<j-clavate, short-sti)»itate. 180-220 .\ 'Ja-S 2 //, with alaindant 

 pai'apliyses, 8-s|)ored. Sporidia inordinate ov snidiiseriate. olilonu- 

 cvlindricai. hyaline and iiniseptate at lirst, and with a hroad, hyaline 

 env(!lope, then hrown and 3-septate, straiiilit or only slightly curved. 

 70-00 X 1 5-20 /i. 



On VihuniKiii pntnifoliuin and T'. dcntdtum. Pennsylvania 

 (Micliener), on dead maple limits, Oroiio. Maine, and liyndonville. 

 N. Y., on dead Ci'(it<t'(/i(s, Ijondon, ('aiiatla, and on {\ri\i\ I'l/nts (/r/)ii 

 f /folia. IJetlileliem, Pa. (Kaii). 



The ))erithecia olten lie 2-3 chtse together and the Itark is 

 wliitene<l in a narrow stratnm aronnd them. Aml>iu'iious I'ornis occur 

 lietween this and J/, ronu'torfd which may with equal propriety he 

 rofei'red to cither species. From the absence ol' the circular, discoid 

 area around the ostiola. the American specc. miglit he releralilc to J/. 

 (//f/(isj)Ofii, Fckl., if that species is really distinct i'rom M. iiKjui- 

 nan«, which is verv donhtliil. Winter uives the measnrements 



of the sjioridia as 80-103x21-23 



I'c. To-!)0 X 20-32 /I. 



Th 



■<pecc. in Rehm's Asc. have the sporMia (10-70 x 1")-1S «. and in Tlni 



m. 



M. r. thev are 7')-80x 18-20 



Th 



^I 



»ecc. o 



r Spfi 



'Hcr/u (JHJdSpOVd. 



in 



Desm. PI. Cryj.t. Kd. I. 20()r). have the sporidia 7r)-8(» x 18-20 



M. voiiiitoria, B. & (". (iiev. IV, p. 15."). (Plate 29) 



H.xsicc. nil. N. \. V. 97.— Kll. vNc I';vrlit. N. A. V. 2<1 Ser. I9.';4. 



Peritliecia scattered, or 2-3 lying close together, coiiaceons, thick- 

 walled, 1 mm. and over diam., laii'icd in the liark which is scarcely 

 raised above them, hut merely pierced hy the inconspicuous, scarcely 

 Itrojecting ostiolum. Asci hroad clavate-i'usoid, 15(>-200x2o /i, 8- 





