Pyrenopezjza 223 



5. Pyrenopeziza leucodermis Cash, Jour. Wash. Acad. Sci. 29: 

 49. 1939. 



Apothecia hypophyllous, subej)iclermal, then superficial, 

 sessile, scattered thickly over the leaf, at first nearly globose, 

 then jjatellate, membranous-flesh\-, pale-brown, .15-. 25 mm. in 

 diameter, externally furfuraceous, the margin even or slightly 

 fimbriate, inrolled when dry; hymenium subhyaline; asci clavate, 

 or narrow-ellipsoid, reaching a length of 28-35 /x and a diameter 

 of 5 6 n; spores obliqueh' 1-2-scriate, straight, cylindric to 

 clavate, .7-1 X 5 7 /x; paraphyscs filiform, slightly enlarged 

 above. 



On leaves of Acer leucoderme and Acer floridanum. 



Type locality: Athens, Georgia. 



Distribution: Georgia. 



6. Pyrenopeziza minuta Cash, Jour. Wash. Acad. Sci. 30: 302. 



1940. 



Apothecia hypophyllous, subcuticular, becoming superficial, 

 closely aggregated in pale spots on withering leaves, patellate, 

 pale-brown when moist, entire fungus black when dry, .15-. 17 

 mm. in diameter, soft, flesh^• to membranous; asci clavate to 

 fusoid, rather abruptly narrowed above and below, reaching a 

 length of 28-33 ^i and a diameter of 4 5 ix, 8-spored; spores 2- 

 seriate, or irregularh* 3-seriate, clavate, .7 1 X 4-5 )u; paraphy- 

 ses filiform, enlarged above, 2-3 n in diameter. 



On withering leaves of Tilia heterophylla var. Michauxii. 



Type locality: Princeton, Georgia. 



Distribution: Known only from the type locality. 



7. Pyrenopeziza Thalictri (Peck) Sacc. Syll. Fung. 8: 360. 1889. 

 Peziza Thalictri Peck, Ann. Rep. N. Y. State Mus. 29: 55. 1878. 



Apothecia abundant, sessile, bursting through the epidermis, 

 small, punctiform when dry, externally black, the margin usually 

 whitish, or cinereous and subfimbriate; hymenium cinereous; 

 asci cylindric; spores long-ellipsoid, 5 X 25-30 n paraphyses 

 not observed. 



On dead stems of Thalictrum. 



Type locality: Center, New York. 



Distribution: New York to Ontario and South Dakota. 



