54 Ellis and Everhart : New Species of Fungi 



35-45 X 10-12 [i, short-stipitate, paraphysate ? sporidia biseriate, 

 oblong, obtuse, uniseptate, constricted, 13-15 x 4-5 fJt, hyaline. 



Phyllosticta canescens E. & E. 



On leaves of Ribes divarication, Bear Creek, near Volmer, 

 Idaho, Oct., 1898 (Prof. L. F. Henderson, no. 4707). 



Spots large, irregularly occupying and killing half of the leaf, 

 or lobe of a leaf, rusty brown whitening out and becoming mi- 

 nutely furfuraceous above, the surrounding parts of the leaf be- 

 coming yellowish : perithecia epiphyllous, prominent, small, 80- 

 100 /1, black : sporules oblong- or ovate-elliptical, mostly with a 

 nucleus in each end, 5-8 x 2.5-3.5 ! l - 



Phyllosticta galactis Cke. Grev. 14: 70. 1885. Exsicc. 



E. & E., N. A. F. 3153 



On leaves of Galax aphylla, West Va. (Nuttall). 



Spots irregular, pale brown or cinereous, without any distinct 

 margin : perithecia gregarious in dense patches, very minute (80//), 

 immersed at the base, punctiform, black, shining : sporules cylin- 

 drical, rounded at the ends, 2-4-nucleate, hyaline, 12-15 X 4//. 



A 



this species. 



Phyllosticta zonata E. & E. 



(H. Harold Hume). 



Ames, Iowa, August, 1899 



Spots irregular, reddish-brown, 2-10 mm. in diam. or confluent 

 over the greater part of the leaf: zonate, definite, with margin 

 very slightly raised and a little darker: perithecia punctiform, 

 minute, innate, covered by the thin, whitish epidermis, epiphyllous : 

 sporules oblong-elliptical, 3.5-4 x 1.5 jk. 



Diners from P. Briardi Sacc. and P. limitata Pk. in its smaller 

 sporules and zonate spots. 



Phoma erysiphoides E. & E. 



On Gnaphalium? and Achillea Millefolium, Morrison, Colorado, 

 May, 1899 (Bethel, no. 472). 



Perithecia minute, thickly and evenly scattered on the stems, 

 erumpent-superficial, subglobose, membranaceous, subastomous, of 



coarse cellular structure: sporules short-elliptical, hyaline, 8-12 

 X 6-7//. 



