STANDLEY TREES AND SHRUBS OF MEXICO. 1245 



(Coahuila) ; " jaboncillo ^ " (Chihuahua, Palmer); " cabradora " (Texas); 

 " vara blanca." 



Employed in Coahuila as a remedy for diseases of the bladder. 



A closely related species is L. triphylla (L'Her.) Kuntze (L. citriodora 

 H. B. K.), the lemon verbena, a native of South America but often cultivated 

 in Mexican gardens. It is easily recognized by its much larger ternate 

 leaves. In IVIexico it is said to be known as " cedron," " hierba Luisa," and 

 " hierba de la princesa." The name " cedron " is used also in South America, 

 and in Peru the plant is known as " cedroncillo." In Mexico the plant is 

 employed in domestic medicine as an antispasmodic and emmenagogue, and in 

 other regions it is employed for various purposes. In southern Europe per- 

 fume has been manufactured from the leaves. 



2. Lippia wrig-litii A. Gray, Amer. Journ. Sci. II. 16: 98. 1853. 



Sonera to Coahuila, Zacatecas, and Durango. Western Texas to Arizona. 



Shrub, 1 to 2 meters high ; leaves petiolate, ovate to rounded-ovate, 6 to 

 15 mm. long, rounded at apex, rugose above and scabrous, canescent-tomentose 

 beneath; flowers white. "Vara dulce," "altamisa" (Coahuila). 



3. Lippia macrostachya S. Wats. Proc. Amer. Acad. 18: 134. 1883. 

 Coahuila to Tamaulipas and San Luis Potosi; type from mountains east 



of Saltillo, Coahuila. 



Shrub, 1 to 2 meters high ; leaves rounded-ovate to oblong-ovate, 1 to 4.5 cm. 

 long, obtuse or rounded at apex, truncate or subcordate at base, canescent- 

 tomentose beneath ; spikes 18 cm. long or less ; flowers pink. 



4. Lippia palmeri S. Wats. Proc. Amer, Acad. 24: 67. 1889. 



Baja California, Sonora, and Sinaloa ; type from Guaymas, Sonora. 



Shrub, 0.5 to 2 meters high, the pubescence of the branchlets appressed; 

 leaves petiolate, ovate to rounded-ovate, 1 to 2.5 cm. long, obtuse or rounded 

 at apex, usually decurrent at base, coarsely crenate, scaberulous ; heads 13 mm. 

 long or less; flowers white, turning to yellow or pink. " Or§gano " (Sonora). 



The leaves are used for flavoring meat. L. palmeri spicata Rose' described 

 from La Paz, Baja California, is a form with spikes sometimes 2.5 cm. long. 



5. Lippia graveolens H. B. K. Nov. Gen. & Sp. 2: 266. 1817. 

 Yucatiln and Campeche; type from Campeche. 



Shrub or small ti'ee, sometimes 9 meters high ; leaves petiolate, ovate-oblong 

 or lance-oblong, obtuse or acute, rounded or subcordate at base, crenate, puber- 

 ulent an'd glandular beneath ; heads 4 to 6 at each node. " Or§gano " 

 (Yucatiln). 



6. Lippia berlandieri Schauer in DC. Prodr. 11: 575. 1847. 



Coahuila to Tamaulipas, Veracruz, Oaxaca, and Sinaloa ; type collected be- 

 tween Santander and Victoria, Tamaulipas. 



Shrub, 1 to 2.5 meters high, the pubescence of the branchlets usually spread- 

 ing; leaves petiolate, oblong to ovate or oval, obtuse or usually rounded at 

 apex, rounded at base, crenate, densely pubescent beneath ; heads 4 to 12 mm. 

 long; flowei'S white. " OrSgano " (Durango, Puebla, Guerrero, Coahuila); 

 "salvia" (Puebla); " epazote," " epazotl " (Coahuila); "hierba dulce" (Hi- 

 dalgo, Veracruz). 



It is rather doubtful whether this differs in any important character from 

 L. graveolens, but the Yucatan material available is insuflicient to afford a 



^ Probably an error for " jazmincillo." 

 " Contr. U. S. Nat. Herb. 1 : 75. 1890. 



