2U Sphjeriacese, Hyalophragmise, Zignoella, 



majuseulis, 7,-1 mill. diam., globosis, atris ostiolo prominulo, lato- 

 conico, acutiusculo vel obtuso perforato, atro ; ascis stipitatis, cy- 

 lindraceis, 8-sporis, 130-150.» 8-0« paraphysibus filiforruibus, sim- 

 plicibus, asci longitudine ; sporidiis monostiehis, oblongis, utrinque 

 obtusis, 2-septatis, hyalinis, 3-guttatis, 15-20 »6-8. 



Hab. in ramis truncisque denique decorticatis Salicis, Fra- 

 xini, P i s t a c i se , Lonicerss, Viburni, Syringse, Alni, 

 Sy mphoricarpi, Jasmini, Artemisiae. Ligustri, in Sue- 

 cia, Germania, Belgio, Gallia, Britannia, Helvetia, Italia, Ameri., 

 boreali. — Perithecia quandoque maculis iigneis albescentibus a«l- 

 nata, 



ZS6N0ELLA Sacc. (Etyra. ab ill. botanico et paleeontologo Lib. Bar. A . 

 de Zigno, patavino). — Perithecia subsuperficialia, S33pius gregaria, 

 carbonacea, nigra, papillata, ut plurimum minuta, interdum majus- 

 cula, basi insculpta, latiuscule pertusa (in subg. Trematostoma). 

 Asci octospori, plerumque paraphysati. Sporidia ovata vel oblonga 

 hyalina pluriseptata, vel (in subg. Zignaria) 1-septata, vei (in subg. 

 Zignoina) coutinua, saepius pluriguttulata. 



I. Eu-Zignoella. Perithecia rainuta, vix pertusa, sublibera. 

 .4} Sporidia 3-pluriseptata. 



1. Zighoella ovoidea (Fr.) Sacc. Mich. I, p. 346, Sphceria ovoidea Fr. a&?S 

 Syst. myc. II, p, 459. — Peritheciis sparsis vel confertis, super- 

 ficialibus, ovoideis vel conoideis, vertice saepe acutis., ostiolo subti- 

 lissimo, glabris, atris, laevibus, subnitidis, 0,3-0,4 mill. lat. ; ascis 

 clavatis, 130-140 » 14-16, octosporis; sporidiis distichis, fusoideo- 

 oblongatis vel fusoideo-elongatis, rectis vel curvulis, 4-guttulatis 



vel spurie tenuiter 3-septatis, chlorino-hyalinis, 24 » 5 (sec. Karst. 

 18-32 »5-8); paraphysibus filiformibus gracilescentibus. 



llab. supra lignurn corticemque Quercus, Coryli et Be- 

 tulse in Fennia australi, in Suecia, Germania. — Perithecia ri- 

 gida, quare demum diffracta, ostiolo cum perithecio omnino con- 

 lluente, unde acuta. Qtmm conferta, obiter visa faciie pro Teicho- 

 spora obducente sumitur. Zignoellm papillatce et Zign. Vulm- 

 sculce peraffinis. 



2. ZigrroeHa Pulviscula (Curr.) Sacc. Fungi ital. tab. 297. Sphceria . J&2? 

 Putviscula Curr, Simpl. Sphaer. pag. 320, tab. 58, fig. 52, Mela- 

 nomma Pulviscula (Curr.) Sacc. Myc. Spec. 1.14, tab. XI, 33-36. 



