186 The North American Cup-Fungi 



usually with one oil-drop, 5-7 X 10-15 /x; paraphyses filiform, 

 enlarged above, 3-4 m thick. 



On living leaves of species of Trifolium. 



Type locality : Europe. 



Distribution: Probably throughout North America where 

 clover grows; also in Europe. 



Illustrations: Bivona-Bernardi, Stirp. Rar. Sic. 4: pi. 6, 

 /. J; Rab. Krypt.-Fl. X': 594,/. 1-6; E. & P. Nat. Pfl. l^: 216./ 

 168. A-C; Briosi & Cavara, Fung. Par. 68. 



ExsiCCATi: Ellis & Ev. N. Am. Fungi 2626; Rab.-Winter-Paz. 

 Fungi Eu. 3872 (from California); Barth. Fungi Columb. 1755, 

 3164; Clements, Crypt. Form. Colo. 285; Se>m. & Earle, Econ. 

 Fungi 511; Rehm, Ascom. 614c (from London, Canada). 



Nannfeldt (Nova Acta Soc. Sci. Upsal. \V. 8: 179.) regards 

 the form on Trifolium arvense as distinct and lists it under the 

 name Pseudopeziza Trifolii-arvensis. 



2. Pseudopeziza Medicaginis (Lib.) Sacc. Syll. Fung. 8: 724. 

 1889. 



Phacidium Medicaginis Lib. PI. Crypt. -Ard. 176. 1832. 

 ?Pyrenopeziza Medicaginis Fuckel, Symb. Myc. 295. 1869. 

 Phyllachora Medicaginis Sacc. Alalpighia 1: 455. 1888. 



Apothecia minute, expanded and subdiscoid, ochraceous- 

 brown, seated on yellowish, suborbicular spots, opening with a 

 laciniate aperture through the epidermis, .5-1 mm. in diameter; 

 asci stipitate, subcylindric, attenuated above, 8-spored, reaching 

 a length of 75-80 ^ and a diameter of 10 /x; spores 2-seriate, ovoid, 

 simple, hyaline, 4-6 X 8 11 /u; jjaraphyses filiform-clavate. 



On living or d\ing leaves of species, of Medicago, Trigonella 

 and Melilotiis. 



Type locality: Europe. 



Distribution : Throughout North America or wherever the 

 hosts are grown. 



Illustrations: Briosi & Cavara, Fungi, Par. 262. 



ExsicCATi: Ellis, N. Am. Fung. 1319; Ellis & Ev. N. Am. 

 Fungi 1319, 2627, 3059, Fungi Columb. 533; Barth. Fungi 

 Columb. 2554, 3059, 3927, 4250, 4345, 4551, Seaver, N. Dak. 

 Fungi 18; Griff. West Am. Fungi 337; Se\m. & Earle, Econ. 

 Fungi 506; Solh. Myc. Sax. Exsicc. 8. 



Nannfeldt (Nova Acta Soc. Sci. Upsla. I^^ 8: 179) regards 

 Fuckel's material as distinct and assigns the new name Pseudo- 

 peziza Jonesii to it. 



