4(m 



[iriil. |t('i' 



fn lliis i- 



with iiii 



\v liiirii'd 



• Til 



M. rimi. Fi'kl. Syml.. p. l'):}. 



Kxsicc. I'ckl. I''. Kli. 2o()S.— |.;il. iS: ICvilit. N. A. F. 7<\ Scr. 2f.i'. -Tlumi. M. V. 1^12. 



I'ciillicciii i!i('u!i lions, iicstliiin' in tlic iiiiH-f Imr!', covered liy tin- 

 >liulitl,\ l»liick(Ti»'<| ('pidcrniis wliirli is ijiiscd into sliulit imstnlcs wnd 

 |ii('i'(-cd liy tlio iiiipilliloi'in ostiolii. alioiit I mm. diniii.. doprcsscd-splici'- 

 icid, ('((liaccons. Asci oltlonu', S-sporccl. "JoO-.'JOOx ^{0-35 ft. with nltnii- 

 d;int ]»ar)ipliys('s. Spoiidin Ijiscriiitc. Inond cylindric-riisoid. J^-scptiitc. 

 -tronji'lv roiistiiiTctl in tiic middle. Iti(»\vn. '>()-T(>.\ l.')-liO //, ciicli ('(dl 

 with a lariio nnclcns. 



On liai'k ()l'(dm, I^oiidon, C'anada. 



DilVcis (Voni Af. ini/iihHini*, in its sniallcr spori<lia. 



M. Di'vadis, Rostr. Fun<ri (Jnud. p. ofiO. 



I'critht'cia scattered. sphaToid-depicssed, Idack. Ostiohi siii»\v- 

 white. Asci thick-cylindrical, J)()-ll") x 32-3S /<. veiv short stipitate. 

 .s-spored. Sporidia liiseriate. oi>lon«>-. 3-septate. constricted at the 

 septa, esjiecially at the iniddh' one. hyaline, surronnded Ity a rather 

 lijoad. hyaline stratum. Xo measurements of sporidia niveir. 



On the iip]i(T' suiTace of tlead leaves of l)ryii,s ovtopctahi. West- 

 ern (ii'eenland. 



M. riataiii. (Vs. in Hal.. V. Vaw. 323 ('184'2), and Comm. Soc. Crit. 



V 



i. 



MiXisaihi titiniHi/uiiiiiHs. B. & C. (Irev. IV, \> 156 HSyf,). 

 Ivxsicc. Knv. l". Am. (^i^j.—liW. fc I-lvrht. N. A. I'. 2(1. Scr. Cent. X.WIII. 



IViithecia j>;iTU'ai'ious. often in siiltciirinate groups of 4-S. lying 

 lictwoen the loosened lamina' of the liark, dei)ress<'d-gI(»l>o.'*e, 1-| mm. 

 iliam.. linally collapsing heneath. the sporidia oozing out and staining 

 llie surl'ace of the hark as in Mehinroiiiiini. Asci broad clavate-cylin- 

 drical, 1;)0-1!)0 .\ 2")-3.) //, suhsessile. paraphysato. Sporidia irregu- 

 larly liiseriate, oltlong-eIlij»tical, olive-brown, 3-0- (mostly 3-")-) sejitate. 

 slightly constricted at the septa, with a gelatinous envelojio at first, 

 linally opake so that the sejjta can with ditticulty be seen. 3")-.')o x 14 

 -20 n. 



in bark o\' Phtfaiiuft, Caroliiui (Havenel), Canada (Dearness). 



The |ieritliocia are entirtdy concealed, their presence iioing iiuli- 

 cated only by slight, ])Ustulilorm elevations in the baik. The 3-sep- 

 tate sporidia ai'e shorter and broader and scarcely constricted at the 

 sejita and are not usually mixed with the longer, narrower, mostly 

 .Vse]»tate sporidia in other asci iji the same ju'ritheciuiu. The Caimda 

 specc. do not diller essentially from those in our Herb, sent from Car- 



