■fipiipwi«pp«nv:viM,ii«^iuij«i[wiHian 



305 



P. polKris, Rostr. Fungi (irocnland. ]>. 548. 



Pcritlicciu s^cattercd. Asci ovate-oldong, paraphy-sate, 35-40 x 

 <)-8 /i. Sporidia oloiigaU'd, guttulato, 10-12 x 2 //. 



On dried up stems ol" Pajnicer mnlicavle, Kaiigerdlugsuak. 

 iJreenland. 



P. Poteiitillsp, Rostr. I. c. 



Peritlicfia scattoi'cd, glohoso. Asci ovatc-oldong, parapliysate, 

 iiisciculate, 32-34 x 8-9 ti. Sjtoridia elongated, gutttdate, 10 x 1-2 ji. 



On dry stems and j)Ctioles of PotentiUa nuicuhito, l.'pernivik, 

 (Jreeidand. 



P. megastoma, (Pk.) 



.Sp/urtrl/a nu;iia:tc.ma, Pk. Bot. Gaz. IV, p. 231. 

 J'Jnsalospora me,i(ailonia, Sncc. Syll. 1669. 

 l^rsladia me,i;asl(»iia^ Cke. Syii. 5273. 



Pei'itliecia minute, numerous, anij)liigen<»us, at lirst ct^nci-cd by the 

 epidermis, then erumpent, lilaek, with a large, eii'cular opening at tlie 

 apex. Asci sulicy'indrical, 100-150 x 15-18 //, parapliysate. 8po- 

 ridia uniseriate or erowded-hiseriate, oltlong-elliptical, granular, 

 greenish-yellow, 10-15x0-7 //. 



On living or languishing leaves of Astragalus bisitlcattts, Colo- 

 ratio (Jones), and on some leguminous i)lant {AstntgaJus), Valley City. 

 Dakota (Seymour). 



P. bina, Hark. \\\\\\. Cal. Aead. 8ci. No. I, p. 43. 



Kpipliyllous, shining-hhiek, hemispherical, half fi-ee, nmnorous, on 

 irregular, whitish sj)ots. covering a third or more of the leaf and bor- 

 dered by a dark line. Asci fusoid, very delicate, 2-sporcd, attenuated 

 belov.' to a i^lender ])cdicel, jtaraphysate. Sporidia ol)long-elliptieal oi- 

 slightly boat-shaped, rounded at one end and slightly pointed at the 

 other, with several vacuoles, 15x0 /i. 



On living leaves of Quercus agrifolia, Calilbrnia (Ilarkness). 



P. quei'i'ilVdla, E. & E. Journ. Mycol. 1, j.. 92. 



Perithecia \-\ mm. diani., globose with a light coloii'd nucleus, 

 buried in the substance of the leaf, but prominent, so as to show dis- 

 tinctly on both sides, covered by the epidermis wliicli is slightly 

 blackened and closely adherent to the perithecia. Ostiolum j)apilli- 

 Ibrm, barely visible through the ru])tui'ed epidermis. The perithecia 

 linally collapse more or less distinctly. Asci oblong, 75-80x12//, 

 39 



