H The Ohio Naturalist. [Vol. XIII, No. 3, 



but this species is easily distinguished from Folytrichum juni- 

 perinum, which it most nearly resembles, by its size and the long 

 white awn-like tips to the leaves, which give the plant a hoar}^ 

 or grayish appearance. 



LIST OF PLANTS COLLECTED IN CUYAHOGA COUNTY 

 AND NEW TO THIS COUNTY OR TO OHIO.* 



Edo Claassen. 



These plants were collected in the course of this year and 

 specimens of them will be sent to the Department of Botany, Ohio 

 State University, to be added to its herbarium. 



1. Caryospora putaminum (Schw.) DeNot. On old plum stones 



h'ing on the ground. Euclid. 



2. Diodia teres Walton. On sandy hill. E. Cleveland. 



3. Erysiphe cichoracearum DC. On Phlox paniculata L. (cult.), 



E. Cleveland. 



4. Erysiphe communis (Walk.), Fr. On Polygonum aviculare 



L., Euclid, on Ambrosia artemisiaefolia L., and on Baptisia 

 tinctoria R. Br., E. Cleveland. 



5. Melampsora populina Lev. On Populus grandidentata 



Alichx. Olmsted Falls. 



6. Microsphsera alni (DC.) Winter. On Sambucus canadensis L., 



and on Syringa vulgaris L. (cult.), E. Cleveland. 



7. Sphaerotheca castagnei Lev. On Nabalus altissimus (L.) 



Hook. E. Cleveland. 



8. Ustilago avenae (Pers.) Jensen. On Avena sativa L. Cleveland. 



*Prcsented at the annual meeting of the Ohio Acad, of Sci., Columbus, 

 Nov. 30, 1912. 



Date of Publication, January 27, 1913. 



