Smaff.k : V.\scri,AR Flura di Ai.i.i.(;iii;nv Coiniv. 29 



ARENARIA l,innx>us. 



'■^ A. serpyllifolia I^innxnis. Ihyme-leaved sandwort. 

 Moon Township, Narrows Run, May, 1899. 



MCEHRINGIA Linnreus. 



* M. lateriflora (Linnaeus). lUuiU-leaved sandwort. 

 Ainiiiriii lateriflora Linn;vus. 



ALSINE Ijnnx'us. 

 STELLAR/A Linna.nis. 

 =j^ A. media Linnicus. Common chickweed. 



* A, pubera (Michaux). Great chickweed. 



* A. longifolia ( >[uhlenberg). Long-leaved chickweed. 

 ^ A. longipes (Goldie). Long-stalked chickweed. 



? A. uliginosa (Murray). Marsh chickweed. 



CERASTIUM Linuc-eus. 



* C. viscosum Linn;eus. Mouse-ear chickweed. 



* C. vulgatum Linn;iius. r,arger mouse-ear chickweed. 



* C. longipedunculatum]Muhlenl)erg. Nodding chickweed. 



* C. arvense Linnc-eus. Field chickweed. 



Pittsburgh, " in a lawn, Oakland, June 4, 1888": Prof. B. H. 

 Patterson. 



