Spheeriacese, Phseosporae, Hypoxylon. 361 



gulo albo cincta; ascis (sec. Berk.) linearibus, amplis; sporidiis 

 cymbiformibus acutiusculis, 30^^12-13, binucleatis. 



Hab. ad ramos dejectos, Guyana (Leprieur), in corticibus et 

 lignis, Peradeniya, Ceylon (Berk.). — Perithecia late ovata, ostiolo 

 furfure luteo vestito, teste Berk. 



35. Hypoxylon majusculum Cooke Grev. VII, p. 80, H. imUtiforme var. 1367 

 Cooke Fungi Brit. I, 374, H. fragiforme v. major Berk. — GIo- 

 bosum v. confluens, rubro-fuscum, dein nigrum; peritheciis ovoi- 

 deis, stromate fuligineo-nigro; ostiolis denique prominulis; sporidiis 

 ellipsoideis, saepe curvulis, utrinque leniter acutis, atro-fuligineis, 



18 i; 7. 



Hab. in lignis putrescentibus in Britannia. — Ab H. coccineo 

 sporidiis multo majoribus mox dignoscitur. 



36. Hypoxylon fuscum (Pers.) Fr. Summ. Veg. Scand. p. 384, Nits. 1.368 

 Pyr. Germ. p. 35. Sph. fusca Pers. Syn. p. 12. Sph. fragiformis 

 Hoffm. Veg. Crypt. 1. 20, nec Pers., Sph. confuens Willd. Fl. Be- 

 rol. p. 416. — Stromate ssepius per peridermium erumpente, deinde 

 superficiali, libero, maculiformi, depresse pulvinato, hemisphffirico 



V. rarius subgloboso, discreto, connato v. confluente, rarius in li- 

 gno nudo, rarissime in cortice omnino superficiali, plus minus ef- 

 fuso, ex purpureo fuscescente, tandem aterrimo, maturo perithe- 

 ciis globosis, irregulariter monostichis, stipatissimis, verticibus ro- 

 tundatis prominulis minute raammilioso ; hymenio conidifero palli- 

 de argillaceo fuscescente, pulveraceo; conidiis minimis ovatis, in 

 sterigmatibus brevibus, parce ramosis solitarie acrogenis ; ascis cy- 

 lindricis, longe pedicellatis, octosporis, paraphysibus filiformibus, 

 superatis, 84-110 ^; 6-8 p. sporif. ; sporidiis monostichis, ovatis ob- 

 tusis, pius minus inpequilateralibus, nigricantibus, 12-16^5-7. 



Hab. in cortice Alni, Coryli, Betulse, Fagi, Crataegi, 

 Carpini, Castanese, Fraxiui, (Juercus, Ulmi, Corni, 

 Lauri etc, in tota Europa, Africa et Amer. boreali. 



37. Hypoxyion gemmatum B. et Rav. North Amer. Fungi n. 831. — i369 

 Parvum, pulvinatum, rubiginosum, ostiolis prominulis nigris, cen- 



tro perforatis gemmatis. 



Hab. in ramis Liquidambaris Carolinae inf., Amer. bor, — 

 Stroma vix 2,5 mill. lat. pulvinato-applanatum. 



B) Stroraa extus atrum, v. initio fuscescens, dein atrum. 



38. Hypoxylon cohaBrens (P.) Fr. Summ. Veg. Scand. p. 384. Nits. 1370 

 Pyr. Germ. p. 42. Sacc. Fung. ital. t. 750. Sphccria cohcerens Pers. 



