42 



SECOND LIST OF THE LIVERWORTS (HEP- 



ATICAE) OF CUYAHOGA AND 



OTHER COUNTIES OF 



NORTHERN OHIO. 



By Edo Claassen. 



1. Blasia pusilla*. L.. Cuyahoga. 



2. Lepidozia setacea*, Mitt., Lake. 



♦Found sterile only. 



THIRD LIST OF THE ERYSIPHE^. LEV. 



( WHITK MILDEWS ) OF CUYAHOGA AND 



V THER COUNTIES OF NORTHERN OHIO. 



TOGETHER WITH THE NAMES OF 



THEIR HOST-PLANTS. 



By Edo Claassen. 



1. Erysiphe cichoracearum, D. C, Asclepias 

 syriaca, L. Cuyahoga; Aster no vi-belgii. L.. Portage; 

 A. puniceus. L., Geauga ; Carduus altissimus, L., 

 Cuyahoga ; Eupatorium, perfoliasum. L.. Cuyahoga ; 

 Phlox paniculata, L., ( Cult. ) Lake ; Vernonia 

 gigantea. Walt.. Portage. 



2. Erysiphe communis. ( Wallr. ) Fr.. Clematis 

 virginiana, L., Cuyahoga ; Venothera biennis. L., 

 Lake ; Polygonum aviculare, L., Cuyahoga Lake ; P. 

 erectum. L.. Cuyahoga, Ottawa. Portage ; Ranunculus 

 abortivus, L., Cuyahoga ; R. acris, L.. Portage ; R. 



