232 CONTEIBUTIOFS FROM THE NATIONAL HEEBABIUM. 



1. Talinum paniculatum (Jacq.) Gaertn. Fruct. & Sem. 2: 219. 1791. 

 Portulaca paniculata Ja,cq. Enum. Pi. Carib. 22. 1762. 



Talinum patens Willd, Sp. PI. 2: 863. 1799. 



Type locality: West Indies. 



Range : Texas and Arizona to tropical America, and in the West Indies. 



New Mexico: Guadalupe Canyon; near White Water. 



2. Talinum angustissimum (A. Gray) Woot. & Standi. Contr. U. S. Nat. Herb. 



16: 120. 1913. 



Talinum aurantiacum angustissimum A. Gray, Pi. Wright. 1: 14. 1852. 



Type locality: Bottoms of Live Oak Creek, and on the San Felipe, Texas. 



Range : Western Texas to Arizona. 



New Mexico: Fort Cummings; Florida Mountains; Dog Spring; Tortugas Moun- 

 tain; Organ Mountains; south of Roswell; Dexter. Dry hills, in the Lower and Upper 

 Sonoran zones. 



This plant has long been confused with T. aurantiacum, a larger, stouter, more 

 succulent plant with larger, differently colored flowers. It is difficult to distinguish 

 the two in herbarium specimens, but no one can confuse them in the field. This 

 species has also been confused with T. lineare H. B. K., a different plant found only 

 in central and southern Mexico. 



3. Talinum aurantiacum Engelm. Bost. Joum. Nat. Hist. 6: 153. 1850. 



Type locality: "On the Sabinas, and more abundantly on the Liano, rare about 

 New Braunfels, Texas." 



Range: Western Texas to Arizona. 



New Mexico: Santa Rita; Fort Cummings; MogoUon Mountains; Hillsboro; Florida 

 Mountains; Tortugas Mountain; Organ Mountains; Carrizozo; Queen. Dry hills and 

 plains, in the Lower and Upper Sonoran zones. 



4. Talinum brevifoUum Torr. in Sitgreaves, Rep. Zuni & Colo. 156. 1854. . 

 Talinum. brachypodum S. Wats. Proc. Amer. Acad. 20: 355. 1885. 



Type locality: On the Little Colorado, Arizona. 



Range: Northern Arizona and New Mexico. 



New Mexico: Fort Wingate; north of Ramah. Dry hills, in the Upper Sonoran 

 Zone. 



The type of T. ^brachypodum was collected near Laguna by Mr. and Mrs. J. G. 

 Lemmon. 



5. Talinum pulcheUum Woot. & Standi. Contr. U. S. Nat. Herb. 16: 121. 1913. 

 Type locality: Near Queen, New Mexico. Type collected by Wooton, August 2, 



1909. 



Range: New Mexico. 



New Mexico: Queen; near Pecos; Van Pattens. Dry hills, in the Upper Sonoran 

 Zone. 



6. Talinum humile Greene, Bot. Gaz. 6: 183. 1881. 



Type locality: On a rocky table-land near the southern base of the Pinoa Altos 

 Mountains, New Mexico. Type collected by Greene, August 11, 1880. 

 Range: Known only from the type locality. 



7. Talinum longipes Woot. & Standi. Contr. U. S. Nat. Herb. 16: 120. 1913. 

 Type locality: Tortugas Mountain, New Mexico. Type collected by Wooton, 



August 27, 1894. 



Range: Southern New Mexico. 



New Mexico: Tortugas Mountain. Dry hills, in the Lower Sonoran Zone. 



