1 



486 Discomyceteae, Pezizeae, Hyalodidymae, Scutula. 



draceis v. subfasoideis, antice truncato-rotundatis, crassiuscule tu* 

 nicatis minutissime bifoveolatis, postice brevissime crasseque alte- 

 nuato-pedicellatis, G5-80 :; 5, octosporis^ paraphysibus paucis gut- 

 tulatis obvallatis; jodi ope obturaculo ascorum intense coerule-i 

 scente; sporidiis recte distichis, cylindraceo-fusoideis, utrinque ob- 

 tusiusculis, 17-18 ^ 1,5-2, medio 1-septatis non constrictis, hjalinis. 

 JJab. ad culraos emortuos Rostkoviae grandiflor.T? in 

 pratis uliginosis in Staten island Fuegiae. — Species vere pusilla 

 ascomatibus quandoque matrice fere immersis nonnihil ad genus 

 Fabrcea vergens. 



20. Niptera lichenicola (Speg.) Sacc. Pyrenopeziza lichenicola Speg.j 

 Mich. I, p. 472. — Ascomatibus laxe gregariis, minutissimis, vix 

 Vio-Vs nim. diam., atris, disco diiutiore, siccis subsphaeroideis, hu- 

 midis patellaribus, contextu excipuli densissime parenchymatico 

 atro; ascis clavato-ellipticis, crasse tunicatis, aparaphysatis (?), 

 octosporis, jodi ope apice intense cserulescentibus, 30-35 s 12-15; 

 sporidiis didymis, primo muco obvolutis, dein liberis, loculo supe- 

 riore crassiore, hyalinis, ad septura constrictis, 6-8 s 3-4. 



Hab. in thallo emortuo Parmelise caperatae in Monte 

 Cerva prope Belluno Ital. bor. , 



SCUTULA Tul. Mera. Lich. p. 118 (1844) nec Lour. (Etym. scM/wm). 

 — Ascomata plano-scutellata, sessiiia, ceracea, excipulo distincto 

 praedita, tandem immarginata, deformia. Asci octospori, paraphysi- 

 bus subconglutinatis obvallati. Sporidia ovato-oblonga, 1-septata, 

 hyalina. — Genus hinc Lichenibus, illinc Dermateis affine, habita- 

 tione in Lichenibus parasitica peculiare. 



1. Scutula Stereocaulorum (Anzi) Korb. Parerg. p. 455, Karst. Revls. 

 p. 151, Lecidea Anzi Menip. p. 26, Biaiorina Th. Fr. Lich. Arct. 

 p. 188. — Congesta, adpressa, primitus concava et raarginata, dein 

 planiuscula, iramarginata, regularis, nigricans vel obscure car- 

 neola vel pallens intus obscura, 0,3-0,4 rara. lata ; ascis clavatia, 

 crasse tunicatis, 50:^10, jodo intense co^rulescentibus, octosporis,- 

 sporidiis distichis, ovoideo-oblongis, uniseptatis, biguttatis, hyalinis, 

 13-19=: 4-0; paraphysibus filiformibus, apice clava luteo-fusca 6 | 

 '/. crass. terminatis. 



Hab. in Stereocauli speciebus in Italia boreali, Helvetia, 

 Fennia, Germania. — Hypothecium flavidum. 



2. Scutula miliaris (Wallr.) Karst. Rev. mon. p. 149, Peziza Wallr. 



