922 Pyreiiornycetese, Sphaeriaceae, Dictvospor», Fcne.«telia. 



FENESTELLA Tul. — Sacc. Syll. II. p. 32.5. 



1. Fenestella callispora (l-^uby) Cooke in Grev. XIV, p. 48, Sphrurta 3714 

 callispora Duby iii herb. Curtis. — Inirnersa, pustulata, erumpens, 

 epidermide (issa tecta ; peritheciis paucis, miautissimis, globosis, 

 congestis; o.stiolis subiiullis; ascis clavatis; sporidiis eUiptico-acu- 

 miDatis. raagnis, biserialibus, quinqueseptatis muriforrnibusque, lu- 

 teo-fuscis, 30-40« 18. 



Hab. in rarais Broussonetiae papyriferse, Geneve Helvetise. 



2. Fenesfella hormospora (Rerk. et Curt.) Cooke in Grevillea XIV, 3715 

 pag. 48, Vaha hor-mospora Berk. et Ourt. in Herb. Berk. Val- 



sa conjuncia Schwein. Amer. n. 1383 (nec Fries). — Perithe- 

 ciis paucis, in circulos irregulares confertis,' disco erumpente, or- 

 biculari, albido, puiverulento; ostiolis brevibus, subconjunctis; ascis 

 amplis, clavatis; sporidiis subellipticis, utrinque muticis, medio con- 

 strictis, 5-septatis, demum raerenchymaticis, fuscis. 

 Hab. in ramis, Bethlehem Amer. bor. 



3. Fenestella Platani Tavel Beitr. Pyren. p. 7, t. 7, f. 6--T2. — Pe- o^iq 

 ritheciis gregariis, stromate immersis, collo longo, emerso prasdi- 

 tis; ascis cylindraceis, supra obtusis, deorsum in stipitem brevera, 

 tenuem abrupte contractis, 8-sporis; sporidiis ovoideis, atro-brun- 

 Deis, vuigo transverse 3-septatis, loculis 2 mediis oblique l-septa- 



tis. Tl-18 = 5-9. 



Hab. in ramis dejectis Platani, socia Disciild Platani in 

 Gerraania. — Status pycnidiophorus sistit Cytosporam, pycnidiis 

 pluribus in eodem stromate imraersis, sporulis continuis, hyalinis, 

 nunc 3-4 s 1-2, nunc 12 ^; 5. 



4. Fenestella schistostroma (Duby) Cookn in Grevillea XIV, p. 48, 3.^^, 

 Sphccria schistostrorna Duby in Rab. Fungi Eur. n. 53 et Sacc. 

 Syll. II, p. 441. — Iraraersa, demum erurapens, epidermide cincta; 

 peritheciis 5-15 aggregatis, ovatis, verticalibus inplinatisve, stro- 

 mate nigro, ina^quabili, primura corapacto, demum in fragraenta plu- 



ra diffisso, tectis, ostiolis vix prominulis, sa?pe obsoletis; ascis cylin- 

 drico-elongatis rigidis; sporidiis uniserialibus, ovoideo-eliipsoideis, 

 primo uni-demum 3-5-septatis, et tandem merenchymaticis, hya- 

 linis. 



Hab. in ramis Ribis aurei, Geneve Helvetiae. 



5. Fenestella amorpha Ell. et Ev. Journ. Myc. 1888, p. 58 et Proc. 3718 

 Phil. i8iJ0, p. 239. — Stroraate tuberculiformi, ligno insidente, ma- 

 gnitudine ab I ram. et tunc perithecio unico, usque ad 3-4 mm. 



