408 Spliroriaceie, Hyalosporaj, Ceratostomella. 



CERATOSTOMELLA Sacc. Mich. I, 370 (Etym. a Ceratosfomafc, cu- 

 jus est analoguin genus). — Perithecia .subcarbonaceji, subsuperti- 

 cialia V. basi insculpta, glabra v. vestita; ostiolo tereti v. filifor- 

 nii peritheciis plerumque longiore. Asci typice aparapliysati, octo- 

 spori. Sporidia continua, globosa, ovoidea v. suboblonga, hyalina. 

 Spermogonia et conidia in nonnullis nota. 



1. Ceratostomella rostrata (Fr.) Sacc. Sphccria rosiraia Fr. S. M. 1540 

 II, 47o. Ceratosioma rosiraiurn (Fr.) Fuck. Symb. myc. p. 127. — 

 Peritheciis sparsis, semiimmersis, sphieroideis, glabris, atris, rugo- 



sis, latit. 0,3-0,7 mili.: rostro stricto, bisulcato v. quadrangulari ; 

 ascis subsessilibus, cjiiiidraceo-clavatis, octosporis, 45-46 s 9; spo- 

 ridiis oblongatis vel subellipsoideis, eguttulatis vel guttulis 2 prae- 

 ditis aut spurie tenuiter uniseptatis, rectis, chlorino-hyalinis, 9- 

 12-4. — Spermogonia peritheciis similia (perithecia juvenilia?); 

 spermatiis ellipsoideis, hyalinis, 5-6 ;;= 2-3. 



Hab. in ligno carioso molli pnesertim Alni, Quercus, Ace- 

 ris, Fagi, P^etuhv, in Suecia, Germania, Gallia, Italia, Fennia, 

 Cuba, Amor. bor. — Var. lcmrosiris rostro non v. vix sulcato. 

 Cum specie. — - C. cirrhosa ab hac pra^cipue diifert sporidiis mo- 

 nostichis, 



2. Ceratostomella cirrhosa (Pers.) Sacc. Sphceria cirrhosa Pers. 1547 

 Syn. Fuiig. p. 59 Fr. S. M. II, 475, Ceratosloma cirrhosum Pers. 

 l'\ick. Sj^inb. myc. p. 127. — Peritheciis sparsis, subinde conglo- 

 meratis, primitus immersis, demum semieinersis, subspha^roideis, fi- 

 brillis ligno irrepentibus, fuscis obsitis, deinde parte denudata gia- 

 bris, atris, Isevibus, latit. 0,4 mill. vel ultra, rostro rudi, nodulo- 



so, subfalcato, glabro, longiusculo; ascis subsessilibus, cylindraceo- 

 subclavatis, 65-75 s 7-9, octosporis; sporidiis monostichis, ellipsoi- 

 deis vel suboblongatis, guttulis 1-4, plerumque 2 prajditis, chlori- 

 no-hyalinis, 9-12 ^; 3,5. — Spermatia in peritheciis immaturis (?) 

 ovoideo-cylindracea, hyalina, 4:^2 y..; conidia in fibrillarum api- 

 cibus, ovata, 3septata, atro-fusca, 28^14. 



Ilah. in ligno carioso Quercus, Carpi ni, Alni, Pini in 

 Gennania, Suecia, Fonuia. Britannia, America. 



3. Ceratostomella lejocarpa Sacc. Mich. I. 370 et F, ital. 345. — ^g^g 

 Peritheciis la\e gregariis, ligno infossis, globulosis, '/3 mill. diam., 

 nigris, contextu minute parenchymatico, solido, ostiolis cylindricis, 

 exertis, glabris V,-% mill. longis ; ascis cylindricis, subsessilibus, 

 75-85 ::i 6, apice lumine 2-crenulato, rotundatis, aparapiiy.satis, octo- 

 .sjioris : sporidiis oblique mono.«^tichis, ovoideo-oblongis ntrinque ro- 



