﻿504 Ellis and Everhart : New Species of 



LOPHIOSTOMA RHOPALOSPORUM E. & E. 



On dead shoots of grape vine, Rooks Co., Kansas, March, 

 1897 (E. Bartholomew). 



Perithecia scattered, buried, compressed, 500-600 x 350-400 

 11 ; ostiolum erumpent, extending half way across the slightly 

 erumpent apex of the perithecium, which scarcely raises the bark : 

 asci stipitate, clavate, p. sp. 60-75 X 12/i, paraphysate, 8-spored : 

 sporidia biseriate, clavate-oblong, 4-5-septate, scarcely constricted, 

 yellow-brown, obtusely rounded above, 20-27 X 6-7 fit. 



L. clavisporwn E. & E. has the perithecia semierumpent and 

 smaller and the ostiolum narrower and more prominent, but the 

 sporidia are about the same in both. 



Sphaerella ixfuscans E. & E. 



iipifcra, Is 



May, 1898 (L. W. Nuttall, no. 937). 



Perithecia gregarious, minute, covered by the thin epidermis 

 which is raised into minute pustules and blackened continuously 

 for one or more cm. in extent ; ostiolum conic-papilliform, erumpent: 

 asci oblong-cylindrical, 35-45 x 7-8 fi : sporidia biseriate, fusoid, 

 slightly curved, hyaline, nucleate, becoming faintly uniseptate, but 

 scarcely constricted. 



in its longer fusoid sporidia 



petioli 





DlDYMELLA CORYLINA E. & E. 



On dead stems of Cory Ins, London, Canada (Dearness, no. 

 2638). _ 



Perithecia scattered, buried in the unaltered substance of the 

 bark which is not discolored or perceptibly raised above them, 

 globose, 3 50-400 ,u in diameter; ostiolum erumpent, papilliform. 

 minute, often at length umbilicate : asci cylindrical, 100-120 X 

 6 ~7," (P- S P- 75-80/.* long), paraphysate, 8-spored : sporidia ob- 

 long, very slightly inequilateral, uniseptate, scarcely constricted, 

 yellowish-hyaline, obtuse, 15-16 x 4.5-5 5 ft 



Ophiobolus instabilis E. & E. 



On leaves of Artemisia biennis, Racine, Wis., Sept., 1897 ( Dr - 

 J. J. Davis, no 978). 



Perithecia semi-erumpent, scattered, ovate, 1 10-150// in diam- 



