!!ri. 



,1 



"'■'.: !''iffl 



47^ 



(Icliiscr'iit.eniiupoiit ai'oiiinl tin- iii;ii>iiii of a ^Tiivisli ilisk wliicli pioicc- 

 tlic ei)idL'i'iiiis iiiitl i-- riiflicr loosely ciiiliracx'd liy it. Asci chiviitf. 

 p. -ip. iilM)iit 35 X () //. S|M)fi(lia eoiiii''<)liaU'. allaiitoid, liyaliiit', slisilitly 

 riii'vcil, S-1 1 X 1^-2 II. Spcniiatiit (li>', Iviirst) elongated, 4-(i x 1 n. 

 soiiieu'liat cui'ved. 



Oil liark of willow, Canada (Doarness), Montana (Ivelsoy). 



The spt'cc. in M. Mdrvhivd have tlio sporidia a little larger 

 (10-12 X 2 n mostly), Imt do not ditl'er otherwise. The species seareely 

 difl'eis from V. ftonJidt/. 



V. flaiisa, ('. & E. (Jrev. VJII, p. 13. 



Exsicc. Kll. N. A. F S7n. 



Stroma coi-tieal, Itrown inside, 1-1^ mm. diani., deprosHod-conieal. 

 sultcoriaceons altove, not eirenniscrii»ed. I'eritheeia 4-.S (sometimes as 

 many as 12 oi' If)), Imried in the lower part of the stroma, J-| mm. 

 diani.. sul)eireinate around a cciiti-al spermogonial cell, jtiereed aliove 

 with an ii-regidar opening. Necks converging with the ol»tn.se, rougli- 

 ish. hlack ostiola ernmiient aronnd the opening in the central cell. 

 Asci clavate, ji. ;i\). 40-45x0-7 /t. Sporidia sul»l»iseriate. allantoid. 

 hyaline, 14—18x3-4 /i, slightly carved. Spermatia allantoid, minute. 

 3-4 X 1 /i. 



On dead limlis of Qimrctif* cocc/'iiea, Newlield, N. .1. 



In the smaller jiustules the liark is only slightly raised and scarce- 

 ly ruptured, hut in the largey ones the a))ex of the stroma is eiiimi)ent 

 and loosely emln-aced l»y the ru])tured epidermis, .\cconipauying the 

 ascigerous stroniata ai'e others containing a single irregular-shaped cidl 

 with a thick, compact, light-colored wall, and lined on the inside with 

 liasidia hearing fusoid. continuous or uniseptate, hyaline sporules, S-1 2 

 X 2^-3 /t. The outside appearance of this species is almost the same 

 as in V. liitescens, hut the sporidia and porithecia are larger. 



V. eoniina, Fk. 3Hth Hep. j). 102. 



Pustules small, .scattered, at first covered I»y the epidermis, which 

 is at length longitudinally i'ui)tured. I'eritheeia 2-Ft in a jaistulc. 

 nestling in the inner hark, hlack, the ostiola ,<cai'cely exserted. Asci 

 clavate, hhnit, 5(K\ 10 //. Sporidia collected in the npjter part of the 

 asci, allantoid, 15-18 x4 fi. 



On dead Itranchea oi' Cornus paniciilata, AIl»any, N. Y. 



Differs from the other sjiccios on Corint» in its different hal)it and 

 larger sporidia. 



V. 3Ienis|)ei'mi, Ell. & Hohvay, Journ. Mycol. 1, p. 4. 



Perithecia circinatiug in a cortical stroma without any circum 



