56 Proceedings of the Ohio State Academy of Science 



-\-Pezizella dilute lla (Fr.) Fuck. Symb. Mycol. 300. 1869. 

 Peziza dilutella Fr. Sys. Mycol. 2 : 147'. 1822. 



Apothecia in groups, minute, 60-120 mic. broad, cup-shaped 

 then plane, very pale yellow. Hymenium and hypothecium al- 

 most colorless, exciple darker. Paraphyses filiform and about 

 half the width of the asci. Asci cylindrico-clavate. Spores rod- 

 like or very slightly curved, hyaline, simple, smooth, 7-10 mic. 

 long and 1.5 mic. wide. 



Found growing on old stems in very damp woods. 



Coll. Freda M. Bachman, Oct. 30, 1907. 



Pezizella hyalina (Pers.) Rehm Rabenh. Krypt. Fl. i 3 :653. 1896. 



Apothecia in groups, 1-2 mm. broad, white, almost sessile, 

 exterior villous, hairs, hyaline and minute. All parts of the cup 

 hyaline in microscopic section. Paraphyses filiform, slender, 

 few. Asci cylindrico-clavate. Spores simple, hyaline, 8-10 mic. 

 long and 2-3 mic. wide, oblong-elliptic or slightly fusiform. 



Growing on rotting wood. 



Coll. Bruce Fink, May 25, 1908. 

 -\-Pezizella hyalinosulfurea Rehm. n. sp. 



Apothecia in superiore folii pagina dispersa, sessilia, primi- 

 tus globoso-clausa, dein patellaria, disco piano tenuissime mar- 

 ginato, extus glabra, versus basim augustata, hyalino-sulfurea, 

 200-250 fj.. diam., excipulo pseudoparenchymatice contexto, ad 

 marginem cellulis 8/1.5/* elongatis obtuse, fimbriato, sicca cit- 

 rinula, concava. Asci clavati, apice rotundati, 25-30/5-6 /a, /-j-, 

 8 spori. Sporae oblongae, rectae, utrinque rotundatae, 1 cellu- 

 lares, hyalinae 5-7/2-2.5 ,u, distichae. Paraphyses filiformes, 

 hyalinae 2 ,u cr. 



Ad folium Fagi putridum. Oxford, O., U. S. A. 

 2/1907, leg. Freda M. Bachman. 



+ Pezizella xylita ( Karst. ) Rehm Disco. 656. 1892. 

 Peziza xylita Karst. Mon. Pez. 190. 1869. 



Apothecia caespitose or scattered, 2-t, mm. broad, interior 

 pallid or yellowish, exterior darker, sessile. Hymenium and 



