Sphaeriacese, Dictyosporse, Fenestella. 325 



stromate pulveruleato niere corticali, supra conceptaculo (pseudo- 

 perithecium hemisphaurico-conicum rugosum mentiente) cincto : pe- 

 ritheciis globosis stromate singulatim immersis, eollo teroti longiu- 

 sculo, ostiolo papillato nitido deciduo; ascis clavatis pedicellatis ; 

 sporidiis oblongis, 28 s 9, 5-septato~muriformibus, medio constric- 

 tis, fuligineis. 



Hab. in ramis Lonicerap pyrenaicae, Traneade dWmbouil- 

 la, Pyr. Orient. (Montaone) et Symphoricarpi racemosa* 

 Saintes (Brunaud). 



6. Thyridium ambleium (C. et EU.j Sacc. Sphceria (Thyridium) om,- 3993 

 bleia C. et Ell. Greviil. VII, p. 10. — Sparsum, peritheciis atris. 

 sub-promiuulis , tectis ; ascis clavato-cylindraceis; sporidiis late 

 lanceolatis, vel ellipticis. centro constrictis, merenchymaticis, fu- 

 scis, 25 s 10. 



Ilab. in truncis Caryse et Azaleas, New Jersey Amer. bor. 



7. Thyridium Spraguei (B. et C.) Sacc. Melogramma Spraguei B. ^m 

 et C. North Am. Fungi n. 863. — Stromate undulato pulverato: 

 peritheciis omnino immersis; ascis linearibus; sporidiis breve cla- 

 vatis, triseptatis, verticaliter divisis. 



Hab. in ligno Pini Strobi, Massachusetts Amer. bor. (C. J. 

 Spraoue). — Stroma opus quarumdam larvarum excavantium fere 

 imitatur. 



FEHESTELLA Tul. Sel. Fung. Carp. II, p. 208, emend. Sacc. Mich. I. 

 p. 50. (Etym. a fenestra, ob sporidia fenosirato-septata). — Pe- 

 rithecia circinata v. subcaespitosa, subspineroidea, atro-fusca. gla- 

 bra, coriacea, ostiolis- in disco prominulis. Asci cylindracei 4-8- 

 spori. Sporidia monosticha. oblongata, fenestrata, flavo-fusca. Pa- 

 raphyses filiformes. 



En-Fenestella: sporifiiis eoloratis. 



1. Fenestella princeps Tul. Sec. Fung. Carp. II, p. 207. Saco. F. it. 3 , jy5 

 t, 454-455 Vatea fenestrata Berk. et Broom. in Ann. Mag. Nat, 

 Hist. vol. III, (1859), u. 853, t. X, f. i \. — Stromate basi ple- 

 ruraque orbiculari vel subovali." ellipsoideo, rarius fere orbiculari, 

 transversim erumpente, pustulato. tenuissimo. e flocculis fuscis vcl 

 fuligineis contexto; peritheciis monostichis, subsphieroideis, siccis 

 varie impressis, 2-8 in singulo stromate, atro-fuseis. 0,5 mill. la- 

 tis. ostiolis papillatis vel obsolelis, atris. hiantibus, in disco lan- 



