277] FLORA OF COLUMBIA AND VICINITY 1 35 



Family 37. PORTULACACEAE Reichenb. Purslane famUy. 



137. OLAYTONIA L. Spring beauty. 



374. 0. Virginica L. [C Virginiajui L.]. 



Very common in oak woods and thickets and in wild 

 meadows. 



Nova Scotia to Saskatchewan; Georgia to Texas and 

 Colorado. 



138. PORTULAOA L. Purslane. 



375. P. oleracea L. Pussley. 

 Gardens and cultivated grounds. 

 Tropical America, now cosmopolitan. 



376. P. neglecta Mack. & Bush. Large purslane. 

 Common in waste grounds and fields. 

 Minnesota and Arkansas to Kansas. 



377. P. grandiflora Hook. Portulaca. 

 Occasionally escaped to roadsides. 



South America, common in ornamental cultivation. 



Family 38. CARYOPHYLLACEAE Reichenb. Pink family. 



139. AGROSTEMMA L. [ZFC/W/S L.] Cockle. 



378. A. Githago L. \L. GitJuigo (L.) Lam.]. Corn cockle. 

 Wheatfields and waste places. 



Europe and Asia, now cosmopolitan. 



140. SILENE L. Catchfly. Campion. 



379. S. antirrhina L. Sleepy catchfly. 

 Waste places and wild low grounds; common. 



Maine to British Columbia; Florida to Texas and 

 Mexico. 



380. S. nivea Muhl. [5. alba Muhl.]. White campion. 

 Very rare on the flats of Hinkson creek, but common 



along Grindstone creek. 



