194 Kryptogamen. — Pilze. 



ostiolo cylindraceo-conoideo , peridermium vix superante ; ascis subclavatis, 80 : 12, sub- 

 sessilibus, apice subtruucatis luraineque distichis vel oblique monosticbis, oblongo-fusoideis, 

 16—18:7 — 8, rectis, curvatisve, utriiique obtusiusculis , medio constricto — 1-septatis, 

 4-guttulatis, hyalinis. - Hab. in ramis Chimonanthi fragrantis. — Italien. 



492. Diajoorf7ieii!rtvej?eZm»iaThüm.etRehm(55,No.865). D.stromate tenui, subeffuso ; peritheciis 

 gregariis, mediis, primo tectis demum epidermide perforantibus cinctisve, orbiculato vel 

 elliptico prominentibus , in stromate nidulantibus , globosis, ostiolis subpapillatis, nucleo 

 sordido-albescente : ascis fusiformibus vel longe ellipticis, tenerrimis, subcurvatis, utrinque 

 acutatis, basi angustatis, hyalinis, octisporis, 60 mm. long., 8—9 crass. ; sporis distichis, 

 plerumque bicelluraribus, ad sept. non constrictis, cellulis aequalibus, longe ellipsoideis, 

 utrinque obtusis, quadrinucleatis , nucleis parvulis, hyalinis, 12 mm. long., 4 er.; para- 

 physibus numerosissimis , simplicibus, hyalinis. — Ad Quercus albae ramul. — 

 Amer. sept. Carolina. 



493. Tbyridium BousseUanum Saccardo et Spegazzini (56', S. 47). Stromate eutypeo , ligni, 

 ceterum immutati, superficiem atroinquinante, extenso ; peritheciis ligno immersis, sparsis, 

 globosis, V^2 ""II- diam., nigris, ostiolo obtuse conoideo, pertuso, ligni superficiem attin- 

 gente; ascis clavatis crassiuscule stipitatis, 110—130:18—20, paraphysibus fusiformibus 

 obvallatis, octosporis; sporidiis oblongis, 22—25:8—9; utrinque rotundatis curvulis, 

 5— 7-septatis muriformibusque , ad septa, praeeipue medium, constrictis, fuligineis. — 

 In ligno Fici Caricae. — Italien. 



Cryptosporella Saccardo n.gen. (36, S. 30). Peritheciis valsiformibus aggregatis, 

 corticolis; ascis octosporis, aparaphysatis; sporidiis ovatis v. fusoideis, continuis, hya- 

 linis. (Hierher Cr. hypodermia Fr., aurea Fuckel etc.) 



494. G. Veneta Sacc. (7, S. 31). Peritheciis corticolis, hinc inde in acervulos valseos, epider- 

 mide tumidula cinctos circinato-aggregatis, globosis, intus nitidis; ostiolis longiusculis, 

 apice incrassatis, in fasciculum vix emergentem convergentibus; ascis fusoideis apara- 

 physatis, 110:20, 8-sporis; sporidiis imbricato-distichis, fusoideis rectiusculis , utrinque 

 acutis, 35:10, granuloso-guttulatis , hyalinis. — In ramis Populi Tremulae. — Italien. 



495. Anthostoma (Euantli.) Venetum Saccardo (36, S. 25). Peritheciis laxe gregariis ligno 

 immutato v. parum iofuscato immersis, globosis, diam. % mm., aterrimis, ostiolo conoideo- 

 truncato, ligni superficiem attingente, dein perforato; ascis cyliudraceis , 120-130:18, 

 breviter stipitatis, apice tunica integra crassiuscula truncatis, octosporis; sporidiis oblique 

 monostichis, ovato-oblongis, 30:12—13, utrinque obtusiusculis, crasse 1—3 nucleatis, 

 intense fuligineis. — Hab in ligno putresceute Pyri v. Mali. — Italien. 



&. Diatrypeae. 



496. Diatrypella discoidea Cooke et Peck (55, No. 864). D. stromate suborbiculare vel 

 elliptico, transverso erumpente, peridermio rupto arcte cincto, vertice nudato, e griseo 

 nigricante; ostiolis parvis, vix exsertis, quadrisulcatis vel fere laevibus; peritheciis 

 6-12, ovatis, ascis parvis, anguste clavatis, longissime pedicellatis, polysporis; sporis 

 cylindraceis, rectis, curvisve, 0.0002 unc. long.; paraphysibus filiform. — In cort. emort. 

 Betulae pojmlifoliae. — Amer, sept. Albany. 



497. D. olivacea Cooke et EUis (46, S. 9). Erumpens, convexa, primum olivacea, demum 

 atra; peritheciis magnis, paucis; ostiolis obtusis; ascis clavatis, subsessilibus; sporidiis 

 numerosis, flavis, linearibus, obtusis, leniter curvulis. — Auf Nyssa. — New Jersey. 



498. Diatrype aelMops Cooke et Ellis (46, S. 10). Irregularis, convexa, atra; peritheciis 

 in stromate coriaceis congestis, ostiolis prominulis ; ascis cylindraceis ; sporidiis ellipticis, 

 uniseptatis, brunneis. — Auf Monis. — New Jersey. 



i. Xylarieae. 



499. Hypoxylon (EpixylonJ Bagnisii Saccardo (36, No. 24). Acervulis subglobosis, super- 

 ficialibus, basi coarctatis, superne complanato - convexis , minutis 2';2— 2^/4. mm. diam., 

 atrorufis intus nigrescentibus , stromate parco, ideoque a peritheciis fere omuino con- 

 stantibus; peritheciis in quoque acervulo paucis (7—10), majusculis, diam. '/a— '/j mm., 

 verticaliter ovoideis, vertice conoideis papillatisque; ascis cylindricis fasciculatis, 90:4V25 



