600 



Asci clavate-subfusoid, paraphysate, p. sp. 45-50x12-15^. Sporidia 



crowded. irregularly biscriate or sometimes obliquely uniserialc 

 jiriifcly elliptical, yellowish-hyaline. continuous, 12-15x5-6 /;.. 

 On h^ives of some grass, Alabama (Atkinson). 



Differs iVoin Ph. gramius in its smaller stromata and crowded 

 >poridin. The Alabama speoc. agree with those in the Exsi'-cati quoted, 



Ph. nielanoplaea, (Desm.) 



Dothidea me/anoplaca, Desm. Not. 17, p. 33. 

 Phyllachora melanoplaca, Sacc. Syll. 5151. 



Amphigenous; spots large, indeterminate, opake, Ascigerous 

 cells numerous, small, connate, whitish within, becoming black. Asci 

 ample, 50 p. long. Sporidia ovoid, hyaline, subolivaceous. 



On languishing or dead leaves of Veratrum viride, Catskill and 

 Adirondack Mts., N. Y. (Peck;, 



Ph. Dasylirii, (Pk.) 



Dothidea Dasylirii, Pk. Bot. Gaz, VII, p. 57. 

 Pliyllachora Dasylirii, Sacc. Syll. 5149, Cke. Syn. 1123. 



Stromata amphigenous. small, narrow-elliptical, oblong or linear- 

 black, for a long time covered by the epidermis, which is at length 

 split longitudinally. Ascigerous cells feu*, white inside. Asci oblong 

 or subcylindrical. Sporidia crowded or biseriate, oblong or clavate- 

 oblong, colorless, 27-40 x 16-18 /JL. 



On leaves of some species of Dasylirion (D. Wheeleri)?, Arizona 

 fPringle). 



Ph. Jiinci, (Fr.) 



Sphceriajunci, Fr. S. M. II, p. 

 Dothidea Junci, Fr. Siiruma, p. 387. 

 Pliyllachorajunci, Fckl. Symb. p. 216, 



Exsicc. Fckl. F. Rh. 1026. Rab. F, E. 755. Desm, PI. Cf. Ed. I, 720. Cke. F. Brit. 26 

 Ser. 243. 



Stromata gregarious, often confluent, sunk in the substance of the 

 culm, more or less elongated, thin, brown or nearly black, covered by 

 the pustulate-raised epidermis .which finally becomes brown and splits 

 with a narrow lanceolate opening. Ascigerous cells sunk in the 

 oma, finally emergent, forming globose or subcoinpressed tubercles. 

 subseriate, small. Asci short-stipitate, cylindrical, 8-spored. 60-85 x 

 7-8 p.. Sporidia obliquely uniseriate or partly biseriate, oblong, bi- 

 nucleate (becoming uniseptate)? yellowish-hyaline, 9-10x3-3^ //. 



On various species of Juncus ; common, but often sterile or poorly 

 developed, 



