102 Pennell: Plants of the southern United States 



4. COMMELINA DIANTHIFOLIA Red. 



CommeUna dianthifoUa Red. Li\. 7: T^go.pl.jgo. 1813. Illustra- 

 tion and description undoubtedly of species here considered, 

 although native country not stated. Name of species prob- 

 ably proposed by Delile. 

 Flowers late — July to September. 

 Shady or open places, New Mexico and Arizona to Oaxaca. 



Northward at elevations of 6,000-9,500 feet. 



New Mexico. Bernalillo: sunny rocks, Sandia Mountains, 



> July 21, , C. C. Ellis 174 (Y.). Dona Ana: Organ Moun- 

 tains, 6,500 feet alt., > September 17, 1893, E. 0. Wooton (Y.). 

 Grant: Fort Bayard Watershed, > September 10, 1905, J. C. 

 Blumer 5Q (Y.). Lincoln: White Mountains, 7,000 feet alt., 



> August II, 1897, E. O. Wooton 311 (Y.). San Miguel: Pecos, 

 7,000 feet alt., > August 21, 1908, P. C. Staiidley 5169 (Y.). 

 Sierra: moist shady places. Lookout Mines, 8,500 feet, > August 

 12, 1904, 0. B. Metcalfe 1212 (Y.). Socorro: rocky places, 

 Mogollon Mountains, > August, 1881, H. H. Rushy 415 (P., Y.). 



Arizona. Cochise: rolling andesitic pine-land, recently lum- 

 bered, Barfoot Park, Chiricahua Mountains, 8,000-8,250 feet alt., 



> September 5, 1906, /. C. Blumer 1354 (Y.). Yavapai: Pres- 

 cott, > August 15, 1896, 0. Kuntze (Y.). 



Also seen from Chihuahua, Durango, Federal District (of 

 Mexico), and Oaxaca. 



5. Commelina virginica L. 



CommeUna virginica L. Sp. PI. ed. 2, 61. 1762. "Habitat in 

 Virginia." Description unmistakably of species here consid- 

 ered, although this name has been usually applied to a state 

 of C. erecta L. 



Commelina longifolia Michx. Fl. Bor. Am. i: 23. 1803. "Hab. 

 in umbrosis sylvarum Virginiae et Carolinae." Not C. longi- 

 folia Lam. Tabl. Encyc. i: 129. 1791. Description unmis- 

 takably of species here considered. 



Commelina hirtella Vahl, Enum. PI. 2: 166. 1806. New name 

 for C. longifolia Michx. 



Ananthopus clandestinus Raf. Fl. Ludov. 21. 181 7. "Grows in 

 shady and swampy soils." Louisiana, C. C. Robin. Type of 



