136 UNIVERSITY OF MISSOURI STUDIES [278 



Maine; Pennsylvania to Minnesota; Maryland to Ten- 

 nessee and Missouri. 



381. S. stellata (L.) Ait. f. Starry campion. 



Common in rich shady hillsides and ravines. 



Massachusetts to Minnesota and South Dakota; Geor- 

 gia to Texas. 



141. SAPONARIA L. Soapwort. 



382. S. ofQcinalis L. Bouncing Bet. 

 Roadsides and old yards, rarely in wild places. 

 Europe and Asia, thence to North America. 



142. STELLARIA L. \ALSINE L.]. Starwort. 



383. S. media (L.) Cyrill. \^A. media L.]. Chickweed. 

 In waste places and about buildings; scarce. 

 Greenland: Europe and Asia, now cosmopolitan. 



143. OERASTIUM L. Mouse-ear chickweed. 



384. O. semidecandnim L. Small mouse-ear chick- 

 weed. 



Lawns; uncommon. 



Europe, thence to the eastern United States. 



385. O. vulgatum L. Common mouse-ear chickweed. 

 Very common in waste grounds; also in wild situations. 

 Cosmopolitan. 



386. O. brachypodum (Engelm.) Robinson. 

 Low grounds; scarce. 



Illinois to South Dakota and Colorado; Georgia ta 

 Arizona and Mexico. 



387. O. nutans Raf. [C.longipeduTwulatuntM.uhl.'] Nod- 

 ding chickweed. 



Common along streams and in ravines. 

 Hudson Bay to Little Slave Lake; Nova Scotia and 

 North Carolina to British Columbia, Nevada and Mexico. 



144. ALSINE Wahlenb. lARENARIA L.: AL- 

 SINOPSIS Small]. Sandwort. 



