6 4 
The Ohio Naturalist. 
[Vol. XIII, No. 3, 
but this species is easily distinguished from Polytrichum 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 hoary 
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 
lying 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 (Wallr.), 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 
Michx. Olmsted Falls. 
G. Microsphaera 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. 
*Presented at the annual meeting of the Ohio Acad, of Sci., Columbus, 
Nov. 30, 1912. 
Date of Publication, January 27, 1913. 
