175 



Asci sessiles, elongati, basin versus inflati, longit. 70—95 

 nimm., crassit. 11 — 14 mmm. Sporae 8:nae, in parte asci 

 superiori monostichae, in inferiori distichae, late ovoideo- 

 oblongatae, uniseptatae, ad septum leviter constrictae, flave- 

 scentes vel luteoUie, longit. 14 — 16 mram., crassit. G — 7 mmm. 



Syn. Sphaeria macidaris Pr. Syst. myc. II, p. 502. Pirostoma 

 maculare Fr. Summ. Veg. Scand. p. 395. 



Exsicc. Karst. Fung. Fenn. 868. 



Hab. In foliis Popnli tremulae dejectis sat freqvens. 

 Vere sporis evolutis legitur, 



Species singulaiis. Maculas griseas iingulosas vel suborbicula- 

 res, saepe venis limitatas, variae latitudinis format. 



12. Spb. isariphora (Desm.) De N. Schem. Sfer. 

 p. 63. 



Perithecia amphigena, gregaria, interdum in maculam 

 nigram congesta, epidermidi innata, prominula, sphaeroidea, 

 poro minuto pertusa, atra, hitit. 100 — 150 mmm. Asci „cy- 

 lindraceo-clavati. Sporae 8:nae, distichae, ovoideo-oblonga- 

 tae, uniseptatae hyalinae". — Conidia ex apicibus intumidis 

 hypharum exstantium singulatim exserta, vulgo oblongata, 

 utrinqve obtusa, demum saepe uniseptata medioqve plus mi- 

 nus constricta, hyalina, magnitudine ex aetate varia. 



Syn. Sphaeria isariphora Desm. in Ann. Sc. nat. 1 843, XIX, 

 p. 358. Sphaerella isariphora Ftjck. Syrab. myc. p. 101. Cook. 

 Brit. Fung. II, p. 918. Leptosphaeria isariphora Auersw. Syn. Pyr. 

 eur. t. 12, f. 170. Sphaerella SteUarinearum Rab. Sphaerella Stella- 

 riae Fuck. Symb. myc. p. 102. Sphaerella Cerastii Fuck. 1. c. p. 101. 



Form. couidif. Stysanus pusillus Fuck. Symb. myc. 1. c. Pha- 

 cellium inhonesium BoN. in Rab. Fung. eur. ed. II, 28S. Stj/sanus 

 palUscens Fuck. Fung. rhen. 1536. Jsariopsis pusilla Frcs. Beitr. 

 p. 87. 



