120 



WEED FLORA OF IOWA 



Fig. 68. Wild Four-o'clock (Oxybaphus nyctagineus) . Common in fields, along 



roadsides and on railway embankments. Plants have a long, stout root. 



(Photographed by Colburn.) 



Fig. 6 8- A. Distribution of Wild Four-o'clock. 



CARYOPHYLLACEAE, PINK FAMILY. 

 This family contains the well known carnation, spurrey and gar- 

 den pink. 



