10 LACKAWANNA AND WYOMING FLORA. 



CERASTIUM, L. 



100. C. VISCOSUM, L. MOUSE-EAR CHICKWEED. Common. 



101. C. arvense, L. FIELD CHICKWEED. Rather common about 

 Kingston. Thurston. 



SPERGULA, L. 



102. S. ARVENSIS, L. CORN SPURREY. Above Carbondale ; near 

 Ararat Station. Dudley. 



[The CARNATION PINK, SWEET WILLIAM, etc., are cultivated species 

 of the genus Dianthus.] 



15. PORTULACACE^. 



PORTULACA, TOURN. 



103. P. OLERACEA, L. PURSLANE. A common garden weed from 

 Europe. 



CLAYTONIA, GRONOV. 



SPRING-BEAUTY. 



104. C. Virginica, L. Near Scranton. Mrs. Buell. Carpenter's 

 Island. Miss Carlson. 



105. C. Caroliniana, Michx. Common. 



16. HYPERICACE.E. 



HYPERICUM, TOURN. 

 ST. JOHN'S WORT. 



1 06. H. Ascyron, L. Near Kingston. Thurston. 



107. H. ellipticum, Hook. Tobyhanna Mills, '81. Prof. Porter. 

 Moosic Lake. Dudley. 



108. H. PERFORATUM, L. Common. 



109. H. maculatum, Walt. (//. corymbosum, Muhl. 5th ed. Man.) 

 Rather common. 



no. H. mutilum, L. Rather common. 



111. H. Canadense, L. Pocono Station, D., L. & W. R. R, '81. 

 Prof. Porter. Pocono Summit. Dttdley. 



112. H. nudicaule, Walt.. (H. Sarothra, Michx.) Common in Wy- 

 oming Valley, in dry fields. 7^hurston. 



