Sphajriacese, Allantosporse, Diatrype. 193 



cus, Coryli) in tota Enropa et Amer, bor., sed parce. — Asci 

 et sporidia praecedentis, nisi paulo majora; sed in Diatrype bul- 

 lata acervuli plerumque irregulares, latiores, perithecia in quoque 

 acervulo numerosiora, subsphaerica nec ovoidea, et paulo minora. 



3. Diatrype Stigma (Hoffm.) Fr. Summ. Veg. Scand. p. 385. Nits. Pyr. 705 

 Germ. p. 65. Sph. Stigma Hoffm. Sph. undulata Fr. et Sph. cle- 

 Gorticata DC. (vix var.) — Stromate per peridermium erumpente, 

 demum nudato, longe lateque effuso, ssepe ambiente, applanato, pri- 

 mo pallescente, dein fuscescente, albido-pulverulento, demum atro, 

 crassit. circiter 1 mill. ; peritheciis ovoideis ostiolis subimmersis 

 vel nonnihil prominentibus, planiusculis, integris vel quadrigonis 

 praeditis; ascis longissime pedicellatis, 30-50^:4-6 p. sporif. ; spo- 

 ridiis 6-12 ^ 1,5-2. — Stromata conidifera {Nemaspora microspora 

 Desm.) perithecigeris superposita vel propinqua, suborbicularia, ple- 

 rumque confluentia lateque extensa, reticulatim exarata, I?ete au- 

 rata, deinde ex cinereo nigrescentia ; conidiis cylindraceis, curvu- 



lis 4-5:^1,5 vel filiformibus, 24-28^1,5. 



Hab. in ramis corticatis Fagi, Carpini, C astanefe, Quer- 

 cus, Pruni, Ti.lise, Pyri, Crataegi, Betulje, Coryli, Me- 

 spili, Rhamni, Rosae etc, in tota Europa, Sibiria et Amer. bor. 



4. Diatrype rimosa Fuck. Symb. myc. p. 231. — Stromate erumpen- 706 

 te, semper convexo et subhemisphaiirico, 1-2 lineas lato, demum 

 libero, intus albo, epidermidis laciniis patulis cincto, in superficie 

 atro-fusca, opaco, multi-rimoso, exaspera:to, ostiolis punctiformi- 

 bus, non prominulis, obscuris; ascis fusoideis, 25-35^:4; sporidiis 

 allantoideis, 6-7^1,5, dilute luteolis. 



Hab. in ramis corticatis Crataegi Oxyacanthae, rarius, 

 (Estrich, Rhenogovia. — Affinis D. disciformi, sed certe diversa. 

 o. Diatrype piatystoma (Schw.) Berk. N. Am. Fungi p. 164, Ellis in 

 . M, U. n. 63, Sphceria platystoma Schw. Syn. Car, n, 43, Fr, S. M, ^q^ 

 Myc. II, 351. — Late effusa, rimosa, nigro-marginata, atra, intus 

 concolor, peritheciis confertis globosis, ostiolis sparsis explanatis; 

 (( ascis clavatis, longe stipitatis, 30-32^^3,5-4; sporidiis allantoi- 

 deis, 7-7,5^:1,5, subhyalinis)). 



Hab. in ramis Hamamelidis, Aceris rubri etc. in Caro- 

 lina, New York, Peusylvania (Amer. bor.). — Siniilis D. Stigmati, 

 longissima, unciam lata, rimosa, margine nigro tenuissimo (steri- 

 li) in epidermide exarato cincta; perithecia cinerea, polysticlia; 

 Pr?ecipue distinguitur ostiolis latis, Pezizae formam aemulantibus 

 et defectu stromatis albi. 



13 



