112 The North American Cup-Fungi 



type, a species originally included by DeNotaris but not the 

 first one mentioned. This species is therefore regarded as the 

 type. 



The genus Pezoloma was proposed by F. E. Clements for 

 sessile species of Cyathicula. The character seems to the writer 

 to be of no generic significance. 



Occurring on herbaceous stems. 1. C. coronata. 



Occurring on living Marchantia. 2. C. Marchantiae. 



1. Cyathicula coronata (Bull.) Rehm in Rab. Krypt-Fl. P: 740. 



1893. 



Peziza coronata Bull. Hist. Champ. Fr. 251. 1809. 

 Peziza radiata Pers. Myc. Eu. 1: 234. 1822. 

 Helotitim coronatiim Karst. Myc. Fenn. 1: 136. 1871. 

 Hymenoscypha coronata Phill. Brit. Discom. 127. 1887. 

 Peziza denticulata Fl. Dan. Fasc. 17: 10, pi. 1016, f. 3. 1790. 



Apothecia scattered, or gregarious, stipitate, at first rounded 

 and closed, opening and becoming pitcher-shaped, finally ex- 

 panded, the margin beset with long teeth, pale rose-colored or 

 yellowish, .5-3 mm. in diameter; stem 1-6 mm. long, .2-.5 mm. 

 thick, smooth, white, or yellowish-white; asci cylindric-clavate, 

 reaching a length of 80-110 ju and a diameter of 8-9 ju, 8-spored; 

 spores elongated, fusoid, simple, or 1 -septate, 3-4.5 X 15-18 n; 

 paraphyses filiform, 2 /x thick. 



On herbaceous stems of various kinds. 



Type locality: Europe. 



Distribution: New York to Michigan; also in Europe. 



Illustrations: Bull. Herb. Fr. pi. 416; Phill. Brit. Discom. 

 pi. 5,f. 26; Nees, Syst. Pilze/. 293; E. & P. Nat. Pfl. l^: 205,/. 

 160, N-0; Papers Mich. Acad. Sci. 20: pi. 15, f. 1. 



2. Cyathicula Marchantiae (Sommerf.) Sacc. Syll. Fung. 8: 307. 



1889. 



Peziza Marchantiae Sommerf. Fl. Lap. Suppl. 295. 1826. 



Apothecia solitary, turbinate, sessile, or with a short, thick 

 stem, substance fleshy to waxy, thin, translucent, pallid-white, 

 usually with a pale-lilac tint, reaching a diameter of .5-2 mm.; 

 hymenium plane, or slighth' concave, the margin ornamented 

 with ciliate teeth composed of bundles of narrow cells; asci 

 clavate-cylindric, not conspicuously narrowed below, apex 

 rounded, reaching a length of 60-75 ^ and a diameter of 6-8 /z; 



