1895.] NATURAL SCIENCES OF PHILADELPHIA. 435 



W. C. Blasdale and Septoria macrophylli E. & E., MS., on leaves 

 of A'-cr macrophyllum, Seattle, Wash., Aug., 1894, Prof. C. V. 

 Piper, should be considered as mere varieties of Septoria circinata 

 E. & E., Proc. Phil. Acad., 1894, p. 367. 

 Amerosporium cinctum E. & E. 



On dead stems of Gladiolus, Pasadena, Gala., Aug., 1894. Prof. 

 A. J. McClatchie, No. 793. 



Perithecia superficial, applanate, 100-150;/ diam., membrana- 

 ceous, of cellular texture, broadly open above, fringed around the 

 base with spreading, smoky-hyaline, continuous, simple or sparingly 

 branched hairs, 80-120x3//. Sporules short-elliptical, smoky- 

 hyaline, obtuse, 3?-5 x 2-2? ,a. 



Besides the subhyaline hairs that fringe the perithecia, other 

 branching brown threads creeping on the surface of the Gladiolus 

 stem, bear ovate, brown, conidia 1 -septate at first, then 2-3-septate 

 and submuriform, or sarcinuliform, 12-15 x 7-12 ;/. 



Phleospora Californica E. & E. 



On leaves of Acer Californicum, Contra Costa Co. Cala., July, 

 1895. W. C. Blasdale. 



Acervuli on small, 2-3 mm., pale, indefinite spots thickly scat- 

 tered over the leaf, covered, especially on the upper side of the leaf, 

 by the black, subclypeate perithecia which are obsolete or unde- 

 veloped below. Sporules cylindrical, mostly straight, 1-3-septate, 

 20-35 x 3 ■> —4 ^ //, hyaline, not constricted, expelled in white filiform 

 cirrhi on both sides of the leaf. 



Differs from Phi. Aceris (Lib.), in its black-capped acervuli and 

 white cirrhi. 

 Gloeosporium castanicolum E. & E. 



On leaves of Castanea vesca, lying on the ground, Faulkland, Del., 

 Aug., 1887. A. Commons. 



Amphigenous but mostly hypophyllous, on light-colored spots or 

 areas of the leaf, also on and alongside of the midrib. Acervuli 

 numerous, minute, yellowish, erumpent. Conidia fusoid, subobtuse, 

 slightly curved, 20 x 2-2^ //.. 



On the one leaf examined was an abundance of Discosia artocreas 

 (Tode) forming conspicuous, suborbicular, black patches. 

 Cylindrosporium Khamni E. & E. 



On leaves of Rhamnus, sp., Shasta Springs, Cala. W. C. Bias- 

 dale, No. 283. 

 30 



