1248 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



18. Lippia dulcis Trevir. Nov. Act. Acad.. Nat. Cur. IS^: 187. 1826. 

 Tamaulipas, Veracruz, Morelos, Oaxaca, and Yncatiln. Central America, 



West Indies, and Colombia. 



Plants slirubby or suffrutescent, erect or procumbent, usually less than 60 

 cm. high ; lea'^es long-petiolate, coarsely crenate, obtuse or acute, green ; heads 

 elongate in age, about 6 mm. in diameter ; flowers white. " Hierba dulce " 

 (Tamaulipas, Veracruz) ; " neuctixihuitl " (Nahuatl, Ramirez; "honey-herb") ; 

 "hierba buena " (Oaxaca, Reko) ; "oroziiz" (Cuba, El Salvador, Costa Rica, 

 Nicaragua); " orozul " (Nicaragua); "salvia santa," " corronchocho " (El 

 Salvador). 



Tea made from the plant is a common remedy for colic and colds. 



19. Lippia geminata H. B. K. Nov. Gen. & Sp. 2: 266G. 1817. 

 Lantana lippioides Hoolc. & Arn. Bot. Beechey Voy. 305. 1839^0. 



Sinaloa to Tamaulipas, Veracruz, and Oaxaca. West Indies ; western Texas ; 

 Central and South America. 



Shrub, usually a meter high or less; leaves sbort-petiolate, 3 to 6 cm. long, 

 rounded to acute at apex, decurrent at base, scabrous above, crenate; heads 

 somewhat elongate in fruit, 6 to 7 mm. thiclj ; flowers pink or purple. 

 "Hierba buena" (Jalisco, Veracruz, Oaxaca); " te del pais" (Tabasco, 

 Rovlrosa) ; " te de maceta." " t6 del pan " (Oaxaca, Reko) ; " mirto " (Tamauli- 

 pas) ; "hierba del negro" (Tamaulipas) ; " Juanilama," " juanislama" (Costa 

 Rica, Guatemala, Nicaragua); "salvia" (Cuba); " sonora " (Sinaloa); " mas- 

 tranto " ( Panama ) . 



The plant is reputed to have sudorific, antispasmodic, stomachic, and 

 emmenagogue properties. 



DOUBTFUL SPECIES. 

 Lippia Americana L. Sp. PL 633. 1753. Type from Veracruz. 



8. LANTANA L. Sp. PI. 626. 1753. 



Large or small shrubs ; leaves opposite or ternate, toothed ; flowers small, 

 in dense axillary heads or spikes, bracteate; calyx small, truncate or sinuate- 

 dentate ; corolla tube cylindric, the limb 4 or 5-lobate ; stamens 4 ; fruit a small 

 drupe containing a 2-celled stone. 



Outer bracts not involucre-liko, linear or linear-lanceolate, not exceeding the 

 inner ones, usually much shorter than the corolla tube; stems often 



prickly 1, L. camara. 



Outer bracts forming an involucre, ovate or lance-ovate or, if narrow, elongate 

 and much exceeding the inner ones, usually almost or quite equaling the 

 corolla tube; stems not prickly. 

 Heads not elongating during or after anthesis or scarcely so. 

 Leaves tomentose or pubescent beneath over nearly the whole surface, the 



pubescence chiefly spreading 2. L. involucrata. 



Leaves hispidulous-strigose beneath along the larger veins__3. L. hispida. 

 Heads conspicuously elongate during and after anthesis. 



Peduncles, at least most of them, equaling or much shorter than the leaves. 

 Leaves chiefly ternate, 7 to 15 cm. long ; stems commonly hirsute. 



4. L. trifolia. 

 Leaves chiefly opposite, 1.5 to 5 cm. long ; stems strigose-5. L. canescens. 

 Peduncles, all or most of them, twice as long as the leaves or longer. 



Heads in anthesis 8 to 10 mm. thick 6. L. macropoda. 



Heads mostly 13 to 16 mm. thick 7. L. achyranthifolia. 



