208 SplinDriaceas, Allantosporie, Diatrypella. 



2:^. Diatrypella subfulva (B. et C.) Sacc Diatrype subfulva B. et C. ^cj 

 Not. North Amer. Fungi u. 856. — Pustulis parvis apice ful- 

 vo-pulvcrulentis; ostiolis nigris pertusis, demum emergentibus; 

 ascis clavatis, longe stipitatis; sporidiis allaiitoideis plurimis, 10 

 w. long. 



Ilab. iii ramis Nyssai, in Carolina inf, Amer. boreali. 



'SA. Diatrypella Frostii Peck. Bot. Gaz. 1S78. — Stromate verrucifor- 705 

 mi, proiuinulo, convexo v. liemisphferico, vix 2 mill. diam., inter- 

 dum contluente, partini peridermio arcte cincto, nigro, intus vire- 

 scento, maculam albam in ligno relinquente; peritlieciis subglobosis, 

 ut plurimum 10-15; ostiolis obsoletis; ascis cylindraceis, breve sti- 

 pitatis, polysporis; sporidiis allantoideis, sub-olivaceis, 6-8 y.. long., 

 curvulis. 



llab. in ramis emortuis Aceris, Brattleborough, Vermont 

 (Amer. bor.) legit. C. C. Frost. — A Diair. verruciformi differt 

 stromate intus viridulo, a D. betulina stromate minori, verrucoso. 



21. Dlatrypella betullna (Peck.) Sacc. Diatrype betulina Peck 25 ^r.e 

 Hop. p. 101. — Stromate transverse erumpente, elliptico, promi- 

 nulo, ligno insculpto, ibique areolas albas nigro-marginatas effor- 

 niante, intus virente, extus nigricante, superne applanato, ostiolisque 

 numerosis, prominulis, stellatis punctulato; peritheciis sparsis mo- 

 nostichis, elhpticis, nigris: ascis elongatis, polysporis; sporidiis al- 

 lantoideis, luteolis, 5 y.. long. 



Hab. in Amor. bor. Greig, in ramis emortuis Betulae luteae. 

 — Mox digno.^^citur stromate virescente. 



25. Dlatrypella melasperma (Fr.) Sacc, Sph. melasperma Fr. S. M. -ksi 

 II. p. ;m Sec Curr. Linn. Trans. XXII, fig. 123, t. 47 (nec West., 

 clr. Melanconis). — Elliptica, aterrima, peritheciis erectiusculis 

 ovatis stromate proprio pulveraceo cinctis, disco erumpente rugoso; 

 ascis clavatis, stipitatis, polysporis; sporidiis polystichis, allantoideis, 

 5-7,5 a. long., luteolis. 



Hab. \\\ cortice vetusto betulino in Suecia (Fr. Scl. Suec 

 i!. 15/). — In n.-tate juvenili pustula; cortici omnino innatas, linea 

 fusca circuinsciiptre, stromate lutescenti-pallido absque peritheciis; 

 disco orumpente lineari jam atro; in adulta pustula3 ellipticfe, 2 

 liii. longjc, depressa-, cortici interiori itinata!; conceptaculum sub- 

 liboruin, tenue, fragile, opacum, atrum, epidermide adnatum, ut 

 hac sublata dimidiatum persistit scutelliforine; stroma pulveraccuin, 

 ex olivaceo fuligineo-niirricans ; perithecia reliquorum tunjora, pau- 

 pa, aggrogata, erectiusculo-convergentia, ovata, fragilia; discus 



