36 



UNITED STATES AND MEXICAN BOUNDARY, 



Viola cucuLLATA, Ait.; Torr. d Gray, Fl. 1, 139. Wet places near tlie Copper Mines and 



■ 



river Mimbres, New Mexico ; April ; BigeloiUy Thurher, 



loNiDiTJM LiNEAREj Torr.; Gray, Gen. III. l,p. 189, t. 82. New Mexico and western Texas ; 

 west to Chihuahua and Sonora. It varies with the leaves broadly and narrowly linear, and 

 from entire to acutely denticulate. 



CISTACE^. 



Helianthemum scopaeium, Nutt. in Torr. d Gray, Fl. 1, p. 152 ; Benth. PI. Hartw. p. 299. 

 Monterey and San Luis Eey, California; March^May ; Parry. 



HELiA:xTnEMUM Caroliniandm, Michx. FL l,p. 307. Western Texas, August; Wright. 



HYPERICACE^. 



Hypericum fobmosum, H. B. K. Nov. Gen. d Sp. 5, p. 196, t, 160; Gray, PI. Wright, 2, p. 

 IT. Wet places near the Copper Mines, New Mexico; June — July; Bigeloio. Santa Cruz, 

 Sonora ; Thurher. 



Hypemcum Scoulbri, HooIs. Fl. Bor. Am. 1, p. 111. Mountainsjeast of San Diego, Califor- 

 nia; June; Parry. 



Elatine Americana, Nutt.; Gray, Gen. III. 2, p. 220, t. 95. Hills near the Copper Mines, 

 New Mexico ; Bigeloiv. 



FEANKENIACE^. 



Cham, d Schlecht. in Linnaea 1, n. 35: Torr. d Grav, Fl 



June: Parrv, All 



Schott. In Mr. Schott 



in those from the sea-coast. 



CARYOPHYLLACE^. 



SiLENE Anttrrhina, Linn.; Torr. & Gray^ FL 1, p. 191. Western Texas ; New Mexico and 

 westward to Sonora and California. 



SiLENE PULCHRA, ToTT. & Gray, FL 1, p. 675. Eastern slope of the mountains east of San 

 Diego ; Parry. 



SiLEXE QUINQUEVULNEEA, Linn.; ToTr & Gray^ L c. Near Monterey, California; May; Parry. 



Probably introduced. 



SiLE>.-E Greggii, Gray, PL Wright, 1, p. 17. Eavine at the Copper Mines, New Mexico ; 

 August ; Thurher, 



Arenaria Benthamh, FenzL; Torr. d Gray, FL 1, p. 675. Blanco river, Texas; Wright; 

 and San Antonio, In the same State; Thurher. 



EIL Sk. I, p. 519; Gray, PL Wright 



tenella, Ntitf. in Torr. d 



Painted Camp; Bigelow. 

 L, B. americana. FenzL in 



Ann. Wien. Miis. Monterey, California, May; Parry. Differs from A. tenuifolia in the less 



hich are 4 to 5 times larger, as well as more 



marked with minute radiating rug 



AisiNE DouGLASiij FenzL; Torr. & Gray, FL 1, p. 674. San Diego and Benicia, California; 

 Thurher. 



