SPHÉRIACÉES DE VAUCLUSE. 83 



Rhynchostoma Karst. 



b. Nudse. 



Amphisphœria Ces. et De Not. 



B. — Cespitos-e. 

 Otthia Nke. 



C. — Composite. 

 Valsaria Ces. et De Not. 



DIDYMOSPHtERIA Fckl. 



1. Didymosphœria SpartiiCastag. (Sphœria), Cat.pl. Mars. 

 p. 169. " 



Perithecia sparsa, globosa, punctiformia, in cortice interiori ni- 

 dulantia, epidermide nigrificatâ tecta, vertice deplanata et coro- 

 nulâ albâ epidermidis fissœ cincta; ostiolo inconspicuo. 



Asci cylindracei, stipitati, 8-spori. Long. 150, lat. 12. 



Sporidia monosticha, ovato-oblonga, 1-seplata, medio constric- 

 tula, atro-ardosiacea. Long. 24-30, lat. 7-10. 



In ramulis delapsis Spartii juncei et Genistœ Scorpii. — Pcr 

 annum. 



2. Didymosphœria Rubi Fckl, Symb. myc. p. 141. 

 Ad ramos emortuos Rïibi fruticosi. — Hyeme. 



3. Didymosphœria Vitis H. Fab. 



Perithecia conferta, initio epidermide tecta, dein semi-libera, 

 globosa, atra, in seriebns longitudinalibus inter corticis fibras ni- 

 dulantia; ostiolo inconspicuo. Diam. l/5" ,m . 



Asci cylindracei, stipitati, 8-spori. Long. 125, lat. 16. 



Sporidia monosticha, ovata, atro-brunnea, didyma, ad septum 

 non constricta. Long. 16-20, lat. 10-12. 



Ad ramos emortuos Vilis viniferœ. — Hyeme. 



4. Didymosphœria Rhamni H. Fab. 



Perithecia solilaria, sparsa, globosa, atra, sub epidermide in 

 pustulam inflatâ nidulantia, vertice poro perforato per epidermi- 

 dem stellatim fissam erumpente. Diam. l/2 mm . 



Asci nunc longissimi, cylindracei, stipitati, long. 200, lat. 15, 



