The tuberous root is highly prized as a purgative, administered 
as an infusion. Only from one quarter to two drachmas (fresh) or 
forty-eight drachmas (dry) need be employed. 
Mirabilis Jalapa L. Sp. Pl. (1753) 177. 
(trompetillas; flor de Panama) 
A decoction of the roots has mild laxative properties. 
POLEMONIACEAE 
Periphragmos foetidus R. et P. Fl. Peruv. 2 (1799) 17. 
[Cantua pyrifolia Juss. in Ann. Mus. Paris 3 (1804) 117.] 
(huevill—huevill) 
The Chileans use an infusion in clysters as a laxative. 
Periphragmos uniflorus R. et P. Fl. Peruv. 2 (1799) 18. 
[Cantua ovata Cav. Icon. 4 (1797) 43.] 
(ccantu) 
The uncivilized Indians esteem this shrub as a magical plant in 
their superstitious practices. 
VERBENACEAE 
Lantana salvifolia Jacq. Hort. Schoenb. 3 (1798) 18, t. 285. 
(mastrante) 
Peruvian natives employ an infusion or a boiled potage to cure 
jaundice, drinking one or the other preparation in large amounts. 
Verbena corymbosa R. et P. Fl. Peruv. | (1798) 22, t. 33. 
Verbena multifida R. et P. Fl. Peruv. | (1798) 21. 
(sandialaguen) 
A decoction is taken in Chile to stimulate menstruation and to 
alleviate a condition which causes a burning sensation during 
urination. 
BORAGINACEAE 
Lithospermum tinctorium R. et P. Fl. Peruv. 2 (1799) 4, t. 114. 
[ Plagiobothrys myosotoides (Lehm.) Brand. in Pflanzenr. iv. 252 
(1931) 108.] 
The specific epithet refers to the custom of having horses tread 
upon the plant in order to prepare from it a blue dye. 
LABIATAE 
Gardoquia canescens nom. nud. 
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