140 MISSOURI BOTANICAL GARDEN. 



the cymulcs congested ; sepals oblong to ovate, slightly shorter 

 than the hypanthium ; corolla white or often pink or rose- 

 colored, 4-5 mm. broad; petals nearly equal, 2-3 mm. long, 

 obovate, but little exceeding the sepals; filaments subulate; 

 follicles united at base, 3-4 mm. high, slightly longer than 

 the sepals, the style-beaks not diverging. — Sandy woods and 

 bottoms and in rocky barrens, Missouri to Texas. 



Resembles M. virginiensis, but is more or less glabrous,, 

 at least the inflorescence, and is lower. 



Specimens examined: Missouri: Graydon Springs,. 

 Greene County, Standley 1, May 7, 1905, rocky barrens;. 

 Reding's Mill, Bush and Palmer 5475, April 8, 1909, on the 

 Grand Falls Chert barrens, in company with Portulaca pi- 

 losa, Sedum Torreyi, Sedum pulchellum, Alsinopsis paiula, Ta- 

 linum parviflorum, Talinum calycinum, Laihyrus pusillus 

 and Cheilanthes lanosa. Texas: Terrell to Elmo, Rcverchon 

 3729, April 6, 1903, in damp sandy soil : Between French- 

 town and Dallas, Reverchon, 287, very rare, in black sandy 

 land: Brazos County, H. Ness 1994, March 10, 1900, in 

 sandy land: No locality or date, Reverchon: Groesbeck, 

 Joor 87, February 27, 1887. 



