Hysteriacese, Hyalodidymte, Aulographum. 263 



diato-scutatis, membraQaceo-coriaceis, subfragilibus, coiitextu in- 

 distincto, opaco ; peritheciis stromate innatis, tunica propria defi- 

 cientibus, eiliptico-ditformibus, siepe confluentibus, pulpa gelatinosa, 

 fusca farctis, ostiolis hysterioideis, in stromate prominulis, parvu- 

 lis donatis ; ascis ovatis, sursura crassiuscule tunicatis, deorsum 

 attenuatis, pedicello crasso, parvulo proeditis, 15-55 ^ 25-35, apa- 

 raphvsatis, 8-sporis; sporidiis conglobatis, ovatis utrinque obtusiu- 

 sculis, 24-28 ^ 10-15, medio 1-septatis, constrictis, loculis subse- 

 qualibus, granulosis non vei crasse 1-guttulatis, supero nonnihil 

 majore obtusioreque, primo hyalinis, dein fuligineis. 



Ilab. ad folia viva Euphorbiace?e arborea) cujusdam in 

 sihis subvirgineis prope iMbatobi Bras. — Tunica ascorum per 

 aetaiem saepius chlorinula evadit. 



Fam. 9. Hysteriacese Corda. 



Sect. 1. HyaIos[ioi'ie Sacc. 



BRIARDIA Sacc. in Rev. Mycol. 1885 (PJtym. ab experto et solerti 

 niycologo M. Briard hujus generis detectore). — Perithecia erum- 

 penti-superficialia, elongato-Iinearia, initio molliuscula (fusco-suc- 

 cinea), rima lineari dehiscentia, margine (sub microscopio) eximie 

 fimbriato; nucleo rubescente; contextu minute parallele parenchy- 

 matico. Asci erecti cylindracei, paraphysati, octospori. Sporidia 

 obloDga, continua, hyalina. Natura perithecii a Schizothyrio, spo- 

 ridiis continuis ab Angclina mox distinctum genus. 



1. Briardia compta Sacc. iu Rev. Mycol. 1885, tab. LV, f. 9. — Pe- 7366 

 ritheciis parallele seriatis, linearibus, y^-^ '^^™- l<^ng., '/5 mm. cr., 

 e succineo rufo-fuscis, levibus, latiuscule hiantibus, margiue pal- 

 lidiore, involuto exquisite fimbriatis ; nucleo roseo; ascis teretiuscu- 

 lis, breve stipitatis, octosporis, 40-48^:7-8; paraphysibus bacilla- 

 ribus, sursum clavulatis, asco paullo longioribus ; sporidiis monosti- 

 chis, oblongis, utrinque obtusiusculis, 10-11 =; 5, continuis, hyalinis. 

 Kab. in caule emortuo Galii, Troyes Galliae (Briard). 



Sect. 3. Hyalodidymic Sacc. 



AULOGRAPHUM Lib. — Sacc. Syll. II, p. 727. 



*1. Aulographum reticulatum Phyll. et Harkn. New Calif. Fungi p. 8. 7367 

 — Ovatum, adnato-superficiale, reticulatum sparsum, labiis subti- 



