STANDLEY TREES AND SHRUBS OP MEXICO. 1211 



4. Loeselia effusa A. Gray, Proc. Amer. Acad. 11: 86. 1875. 

 Gilia dunnii Kellogg, Pacif. Rural Press, May 31, 1879. 

 Northern Baja California. Southern California. 



Plants 30 cm. high or less, nearly glabrous ; leaves about 8 mm. long ; corolla 

 purplish, 12 mm. long, the lobes entire. 



5. Loeselia mexicana (Lam.) Brand in Engl. Pflanzenreicli IV. 250: 174. 1907. 

 Hoitzia mexicana Lam. Encycl. 3: 134. 1789. 



Hoitsia coccmea Cav. Icon. PI. 4: 44. pi. 365. 1797. 



Cantua Jioitzia Willd. Sp. PI. 1 : 878. 1797. 



Loeselia coccinea Don, Hist. Dichl. PI. 4: 247. 1S37. 



Chihuahua and Sinaloa to Oaxaca, Puebla, and San Luis Potosi. 



Shrub, 1.5 meters high or less, glandular-pubescent ; leaves subsessile, lanceo- 

 late to lance-ovate, obtuse or acute, cuneate at base, sharply serrate; flowers 

 solitary; corolla about 2.5 cm. long, the lobes entire, much shorter than the 

 tube ; calyx lobes entire. " Huachichile " " huichichile," " guachichile " 

 (Sinaloa, Aguascalientes, Jalisco, San Luis Potosi, Durango; from the Nahuatl 

 liuitzltzil-xochin, "hummingbird-flower"); " espinosilla " (Guanajuato, Quere- 

 taro, Mexico, Tepic, San Luis Potosi, Oaxaca); " hierba de San Antonio" 

 (Durango) ; "intzquilitzin " (Seler) ; " flor del chupamirto," " flor de colibri " 

 (Robelo); " cuachile " (Ramirez); " chuparrosa " (Mexico); " huicicilo " 

 (Ramirez) ; " mirto silvestre " (Ramirez); " huitzizilin " (Mexico, B&rcena) ; 

 "hierba de la virgen" (Flores). 



The shrub is a handsome one when in full flower. A form with yellow 

 flowers, growing about the City of Mexico, is L. mexicana lutea Brand.^ A 

 specimen from Tlaxcala is said to have nearly white flowers. 



A decoction of the leaves is much used in Mexico as a remedy for fevers, 

 and is said to have emetic, purgative, diuretic, and sudorific properties. It 

 is employed also as a wash to prevent falling of the hair. The plant is said 

 to contain an alkaloid, loeseline. The early inhabitants used the plant like 

 soap, crushing it in water until a suds was formed.' 



6. Loeselia pumila (Mart. & Gal.) Walp. Repert. Bot. 6: 527. 1846. 

 Hoitzia pumila Mart. & Gal. Bull. Acad. Brux 12=: 275. 1845. 

 Loeselia intermedia Loesener, Bull. Herb. Boiss. 7: 567. 1899. 



San Luis Potosi to Guerrero, Puebla, and Oaxaca. 



Plants glandular-pilose, annual but sometimes suffrutescent, 45 cm. high or 

 less ; leaves shor t-pef iolate, oblong to broadly ovate ; calyx lobes 5-dentate ; 

 corolla blue or bluish, about 1 cm. long, the lobes entire. 



7. Loeselia purpusii T. S. Brandeg. Univ. Calif. Pixbl. Bot. 3: 389. 1909. 

 Type from San Luis Tultitlanapa, Puebla. 



Small shrub, sparsely puberulent; leaves oblong-elliptic, obtuse or acute, 

 cuneate at base, sharply serrate, lustrous, subsessile; calyx lobes minutely 

 serrulate ; corolla about 2 cm. long, pale purple. 



8. Loeselia glandulosa (Cav.) Don, Hist. Dichl. PI. 4: 248. 1837. 

 Hoitzia glandulosa Cav. Icon. PI. 4: 45. pi. 367. 1797. 



Hoitzia cervantesii H. B. K. Nov. Gen. & Sp. 3: 128. 1819. 

 Hoitzia conglomerata H. B. K. Nov. Gen. & Sp. 3: 128. 1819. 

 Hoitzia capitata Willd.; Roem. & Schult. Syst. Veg. 4: 370. 1819. 

 Hoitzia spicata Willd.; Roem. & Schult. Syst. Veg. 4: 370. 1819. 

 Hoitzia nepetifolia Schlecht. & Cham. Linnaea 6: 385. 1831. 



" In Engl. Pflanzenreich IV. 250: 176. 1907. 



* See Marcial Oropeza, La espinosilla, Naturaleza 3: 3-7. 1876. 



