192 Sphasriaceae, Allantosporae, Diatrype. 



Sph. depressa Sow. — Stromate perithecigero orbiculari, disci- 

 fornii, plano v. nonuiliil convexo, primo hypophloeode, ligno adna- 

 to, deiride eriimpente peridermioque tegente secesso, superne nu- 

 dato, libero, fusce.scente ac tenuiter albido-pruinoso, tandem gla- 

 bro, superficio nigricante intus albido, parte insculpta nigro-limi- 

 tata; stroraate conidifero orbiculari, magnitudine stromatis peri- 

 thecigeri, conico-depresso, saturate aurato leviterque sulcato, de- 

 inde nigrescente; conidiis lineari-cylindricis, filiformibus, tener- 

 rimis, vohementer curvatis, in sterigmatibus brevibus acrogenis; 

 peritheciis in singulo stromate 25-50, monostiche denseque stipa- 

 tis, ovatis v. fere angulatis, coUis brevissimis ac tenuibus ostiolis- 

 que niinirais, obtusissimis, vix prominulis, integris v. radiatim qua- 

 drisulcafis instructis; ascis anguste oblongis, longissime pedicella- 

 tis, tenerrimis, octosporis, 25-40 ^: 3-5 p. sporif. ; sporidiis subdi- 

 stichis, cylindricis, curvatis, dilute fuscescentibus, Q-S^V/^-^. — 

 Status conidicus lAbertelhv speciem sistit. 



//a^. in ramis corticatis Fagi sylvaticae, rarius Vibur- 

 ni, Pruni, Betulrp, A.lni, Rhamni, Quercus, in tota Eu- 

 ropa et Araer. bor. — Var. umbonata: stromate duplo majori 

 quam in forma normali, medio 1-3 umbonibus colliculoso; ascis 

 et sporidiis non diversis. In rarais Pseudoplatani, Jura (Fuck.). 



— Var. MagnoHce, Thiira. Diflfert disco vix convexulo, rainore, 

 atro, ostiolis indeterminatis: asci, sporidiaque non diversa sunt. 

 In ramis Magnoliae glauca?, New Field, Amer. bor. (Ellis). 



— Var. xanthostrorna : stromate tandem citrino. In rarais Sa- 

 licis Capreae, (Estrich, Rhenogovia (Fuck.). 



2. Diatrype bullata (Hoffm.) Fr. Sumra. Veg. Scand. p. 385, Sacc. Myc. 

 Ven. Spec. t. 15, f. 10-20, Spha^ria bullata Hoffra. Veg. Crypt. I. 

 p. 5, Sph. depressa Bolt., Sph. Placenta Tode. — Stroraate sub 

 poridepmio nato lignoque adnato, deinde erumpeute, superne nu- 

 dato, orbiculari v. ovali, plano-convexo v. fere disciformi, haud 

 raro coufiuGnte, nigricante, intus albido, parte imraersa nigro-limi- 

 tato; peritheciis monostichis, uumerosissirais, dense stipatis, o.vatis 

 V. rautua pressione angulatis, collis brevibus ostiolisque punctifor- 

 raibus. imniersis v. nonnihil prominulis, integris, pertusis instru- 

 ctis ; ascis anguste clavatis, longissime pedicellatis, octosporis, 40- 

 50 i; 4-G p. sporif. ; sporidiis subdistichis v. in asci parte inferiore 

 sa'pissime monostichis, cylindricis, curvulis, dilute fuscescentibus, 

 6-10=: 17,-2%. 



Hab. in rarais emortuis Salicum et Populorum (Quer- 



