Pestalopezia 191 



conidia formed on erumpent acervuli, 1 -septate and constricted 

 at the septum, 5-6 X 18-25 /x. 



Apothecia epiphyllous, sphaerical to discoid, .25 mm. in 

 diameter, at first closed, opening with a stellate aperture; asci 

 subclavate, reaching a length of 70 80 ju and a diameter 15 n, 

 8-spored; spores ellipsoid, hyaline, unequally 2-celled, constricted 

 at the septum, 5-6 X 20-25 fx; paraphyses filiform, enlarged at 

 their apices. 



On leaves of Rosa sp. 



Type locality: Auburn, Alabama. 



Distribution: The conidial stage, black-spot of rose, is 

 widely distributed wherever the rose is cultivated. 



Illustrations: Mem. Soc. Linn. Paris 5: pi. 5, f. 3; Bot. 

 Gaz. 54: pi. 13. 



4. Fabraea maculata (Lev.) Atkinson, Science N. S. 30: 452. 

 1909. 



Entomosporium maculatum Lev. in Moug. & Nestl. Stirp. Crypt. 1457. I860. 



Apothecia minute, inconspicuous in dried specimens, when 

 moist swelling up and making their appearance through the 

 ruptured epidermis, often ellipsoid in form; asci 8-spored; 

 spores hyaline, 1 -septate. 



On leaves of Pyrus, Amelanchier and Cydonia. 



Type locality: New York. 



Distribution: Widely distributed in North America on 

 cultivated pear and quince. 



When Atkinson published a preliminary report of this he 

 promised a more complete description later but this apparently 

 was never done. 



Doubtful Species 

 Fabraea cincta Sacc. & Scalia; Sacc. Peck, & Trelease in Harriman Alaska 

 Exped. 5: 23. 1904. On suborbicular or irregular spots 1-2 mm. in diam- 

 eter; apothecia erumpent, 300-400 m in diameter; asci 18-20 X 70-90 m< 8- 

 spored; spores elongate-ellipsoid, 5-6.5 X 15-20 ju; paraphyses filiform with 

 capitate apices. On fading leaves of Rubus, Yakutat Bay, Alaska. No 

 material has been seen. 



. 36. PESTALOPEZIA Seaver, Mycologia 34: 300. 1942. 



Apothecia superficial, sessile, or subsessile, at first subglobose, 

 becoming expanded and subdiscoid, externally pruinose, or 

 tomentose, light-colored; hymenium becoming nearly plane, 



