206 The North American Cup-Fungi 



pseudoseptate, 1-seriate, or becoming 2-seriate, 1.5-2 X 7 10 n; 

 paraphyses cylindric, granular, 2 /i in diameter. 



On bark of Ulmiis americana, and on stems of Ilelianthus 

 anntins. 



Type locality: Nebraska. 



Distribution: Known only from the type locality. 



ExsiCCATi: Rehm, Ascom. 1222 (from Lincoln, Nebraska). 



14. Mollisia apiophila Dearness, Mycologia 8: 98. 1916. 



Apothecia minute, .3-1 mm. in diameter when fresh, hardly 

 visible to the naked eye when dry, flesh-colored, subsessile, 

 turbinate, about as high as wide; asci reaching a length of 45-52 ju 

 and a diameter of 10-12 ^i; spores 2-seriate, with two to four oil- 

 drops, 4-6 X 16-18 m; paraphyses forming a yellowish layer. 



On old stems of Apios tuherosn. 



Type locality: London, Ontario, Canada. 



Distribution: Known only from the type locality. 



While this was described as a Mollisia, the color and form 

 would suggest that it might be a Helotiiim. 



15. Mollisia Polygoni (Lasch.) Gill. Champ. Fr. Discom. 120. 



1882. 



Peziza Polygoni Lasch, in Rab. Herb. Myc. 1127. 1866. 



Peziza lactuosa Cooke, Hedwigia 14: 83. 1875. 



Niptera Polygoni Rehm, Ber. Naturh. Ver. Augsburg 26: 21. 1881. 



Apothecia gregarious, sessile, at first hemispherical, the 

 margin incurved, crenulate, then expanding and becoming 

 saucer-shaped, externally brownish, reaching a diameter of 1 mm. 

 though often less; hymenium dull-grayish, or slighth' yellowish; 

 asci clavate, reaching a length of 30-40 p. and a diameter of 5-6 /x. 

 8-spored; spores ellipsoid to clavate, straight, or curved, 2X7- 

 9 ju; paraphyses filiform. 



On stems of species of Polygonum. 



Type locality: Europe. 



Distribution: New Jersey to Iowa and probably widely 

 distributed in North America; also in Europe. 



Illustrations: Bull. Lab. Nat. Hist. State Univ. Iowa 5: 

 pi. 23, f. 2. 



Exsiccati: Ellis, N. Am. Fungi 442. 



This was commonly collected by the writer in Iowa on old 

 Polygonum stems. 



