376 PROCEEDINGS OF THE ACADEMY OF [1894. 



The Raniularia occupies the central part of the spots and is sur- 

 rounded by subprominent, black, small, immature perithecia with 

 which it appears to be generically connected. 



Ramularia Psoraleae E. & E. 



On leaves of Psoralea macrostaehya, Ukiah, Mendocino Co., Gala., 

 May, 1894 (W. C. Blasdale, No. 221). 



Spots small, round, pale rusty brown, 1-2 mm. diam. Hyphse 

 fasciculate, simple or sparingly branched above, hyaline, becoming 

 brownish, continuous or faintly 1-8-septate, subgeniculate above. 

 Conidia fusoid, hyaline, uniseptate and often slightly constricted, 

 rather abruptly narrowed at the ends, 12-30 x o-oJ//. 



Ramularia contexta E. & E. 



On living leaves of Menisperimim Canadense, Ann Arbor, Mich., 

 Aug. 1885 (Prof. V. M. Spalding). 



Hyph^e slender, hyaline, interwoven, so as to form a thin subsepa- 

 rable, web-like, layer, subangular in outline, 1-2 ram. across, dirty 

 white at first, becoming whiter and thicker. Fertile hyphse erect, 

 15-25 X 2-2J;/, continuous, mostly simple. Conidia clavate-fusoid, 

 hyaline, continuous at first, becoming 1-septate, 8—15 x 2-3,". 



Has something the aspect of Erineum. 



Helicoma monilipes Ell. & Johnson. 



On oak bark, Ann Arbor, Mich., Oct. 1893 (L. N. Johnson, No. 

 666). 



Ciespitose, in minute, punctiforra, brown tufts, about ,\ mm. diam., 

 appearing under the lens like minute flattened perithecia of about 

 the same color as the bark. Creeping hyphre nearly obsolete ; fertile 

 hyphjie cespitose, erect, nearly hyaline, irregularly or subdichotomously 

 branched above, closely septate and constricted at the septa so as to 

 appear submoniliform, 40-50 x 3-4,". Conidia terminal, or becom- 

 ing lateral by the prolongation of the hyphie, pale brown, closely 

 and permanently involute, forming a coil 12-15," diam., the cylinder 

 or thread which forms the coil being 3-4," thick and coiled about IJ 

 times. 



Chastopsis roseola E. & E. 



On oak bark, Ann Arbor, Mich., March, 1894 (L. N. Johnson, 

 No. 156). 



Mycelium inconspicuous or none. Fertile hyphjje simple, erect, 

 straight, septate, subulate, paler and attenuated above, 200—250," 



