344 The North American Cup-Fungi 



13. Pezicula spicata Ellis & Ev. Bull. Torrey Club 25: 506. 

 1898. 



Apothecia scattered, usually occurring singly, erumpent, 

 through the ruptured epidermis but scarcely protruding above 

 its surface, .35-.5 mm. in diameter, dull watery-white, yellowish 

 when dry; hymenium slightly concave when dry, the margin a 

 little darker undulated; asci broad-clavate, reaching a length of 

 60-70 n and a diameter of 12-15 n, with a short, abrupt, stem- 

 like base, 8-spored; spores irregularly 2-seriate, subglobose, 

 6-8 X 7-10 n; paraphyses filiform, enlarged above, reaching a 

 diameter of 3 fx. 



On dead twigs of Acer spicatum. 



Type locality: Near Ottawa, Canada. 



Distribution: Known only from the type locality. 



14. Pezicula cornicola Seaver, Mycologia 29: 337. 1937. 



(Plate 142.) 



Apothecia usually in cespitose clusters, individual apothecia 

 sessile, reaching 1 mm. in diameter, pale-yellow; hymenium plane, 

 or slightly convex; asci clavate, reaching a length of 100-120 ju 

 and a diameter of 12-15 n; spores partially 2-seriate, ellipsoid, 

 straight, or slightly curved, about 7-8 X 20 /x, becoming tardily 

 1-3-septate ; paraphyses filiform, slightly enlarged at their apices. 



On bark of Cor mis sp. 



Type locality: East Hampton, New York. 



Distribution: Known only from the type locality. 



Illustrations: Mycologia 29: 336,/. 2. 



This is associated with a Myxosporium which appears to be 

 its conidial stage. The spores ooze out from the pycnidia in 

 sausage-like streams, whitish in color. The conidia are ellipsoid, 

 or slightly narrowed at one end, quite variable in size but often 

 reaching a length of 40 jj. and a diameter of 15 /x, densely filled 

 with minute granules. 



15. Pezicula Corni Petrak, Ann. Myc. 20: 197. 1922. (Plate 

 143.) 



?Dermatea Corni Phill. & Hark. Grevillea 13: 22. 1884. 

 Pezicula rhabarbarina f. Corni Ellis in Herb. 



Apothecia solitary, or cespitose, at first rounded, becoming 

 expanded and subdiscoid, with a mealy, brown covering, reach- 

 ing a diameter of about .5-1 mm.; hymenium plane or nearly so. 



