Nectrioideie, ZythieiB, Hyalosporae, Sphaeroiuemella. 617 



— Perithecia cariiosula, alba vel Ifete colorata, ostiolo late hiaute 

 donata, subsnperficialia. Sporulre in basidiis acrogenae, ellipticae vel 

 ovoidese, hyalinop. — /.ythiaj valde affine genus, 

 1. Libertiella malmedyensis Speg. et Roum. 1. c, Zythia PeUigenv 3303 

 Lib. in Herb. et Cooke in Grevillea. — Peritheciis gregariis, hy- 

 pophyllis, moliibus, carnosulis, globoso-conicis, albis, circa ostio- 

 lum late hians crateriforme fuscis, basi matrici innatis atque vil- 

 losulis, siccitate cupulato-collabascentibus; gelatina sporulosa alba ; 

 0,2, 0,3 mill.diam.; sporulis hyalinis, continuis, ellipticis vel ovoi- 

 deis, granuloso-farctis, 5-6 ::; 2-2'/2, basidiis subcylindraceis, 10 :i 

 2, .suffultis. 



Hab. iii hypophyllo thalli Peltigerai polydactyl?e prope 

 Malmedy in Arduennis (Lirert). 



SPH^RON^MELLA Karst. Hedw. 1S84, p. 17 (Etym, a Sphceroncv- 

 ma, cui habitu affinis). — Perithecia subsphsproidea, membrana- 

 cea, tenuissima, mollia, Ireticoloria, sicca indurata, cornea, superfi- 

 cialia, glabra, ostiolo rostellato. Sporulae ellipsoidea^ continua'. hya- 

 linaj interdum appendiculatae vel muco obvolut.T, plerumque ad 

 apicem rostri in globulum denique expulsa\ 



1. Sphaeronaemelia Mougeotii (Fr.)Sacc. Sphccna Mougeoiii?v. Elench. 3304 

 IL p. 100, Sphcrroncemu ILederos Fuck. Symb. p. 178, — Erumpens, 

 sparsa; peritlneciis piriformibus mollibus roseis, siccis longitudi- 

 ualiter coUabascentibus et sub lente obsolete pruinosis, ostiolo pa- 

 pilliformi rostrato obscuriore; sporulis oblongo-allantoideis. 3-1, 

 hyalinis. 



JCab. iu sarmentis corticatis Hederoe Holicis in Gallia, Ger- 

 mania et Italia. 



2. Sphaeronaemella acicularis (Fr.) Sacc. Sphccroncvma aciculare Yv. 33pr> 

 S. M. 11. p. 536, Sphwria dubia Tode Meckl. fig. 118. — Peri- 

 theciis cylindrico-attenuatis griseo-nigricantibus, deorsum flavis, 

 globulo albo lutescente. 



Hab. ad ligna quercina et pinea in Germania. — Affine 

 Sphcer. rufcv sed differt forma fere cylindrica, colore griseo semi- 

 pellucido ad apicem deorsumque fiavo, gelatina globosa flavescente. 

 Basis passim strigosa. 



3. Sphaeronsemella diaphana (Fuck.) Sacc. Sphcvronfema diaphanum ;i30o 

 F^uck. Symb. p. 399. — Peritheciis gregariis, conicis, olivaceis, se- 

 rainis Papaveris magnitudine, diaphanis, demum atris, globulo sor- 



