370 



MEDICAL BOTANY. 



1. Limb of the corolla stupose. Leaves scrobiculate. 



Fig. 175. 



1. C. MICRANTHA, RuiZ 



and Pavon. — Branches 

 quadrangular, smooth, 

 except among the in- 

 florescence. Leaves ob- 

 long, obtuse, or hardly 

 acute, rather membra- 

 nous, very large, quite 

 smooth on both sides, 

 distinctly pitted at the 

 axils of the veins, and 

 either smooth or hairy 

 there ; those near the 

 base of the inflores- 

 cence, shorter and blunt- 

 er. Flowers the small- 

 est of all the species, 

 except C. lancifolia. 

 Calyx tomentose, with 

 a short 5-toothed limb, 

 scarcely changed in the 

 fruit. Corolla tomen- 

 tose, woolly inside the 

 the limb. 



Ruiz and Pavon, 

 Fl. Peruv. ii. 52, t. 

 1 94 ; Quinol. Supp. 

 1 ; De Candolle, 

 Prod., iv. 354; Lind- 

 ley, Med. Ft 412; C. 

 scrobiculata, Hum- 

 boldt and Bonpland, 

 PL JEquin. i. 165, 

 t. 47 ; De Candolle, 

 Prod. iv. 352. 



This species inhabits high, cool, and wooded mountains of Peru. It 

 affords the silver or gray Cinchona. According to Humboldt and Bonpland, 

 and Ruiz and Pavon, this is commonly called Cascarilla jina. Poppig 

 terms it Cascarilla provinciana, and says that the trees furnish three kinds, 

 one of which, the product of the small branches, is known as Pata de 

 Gallinazo (or Vulture's claw). Mr. Reichel, who compared Poppig's speci- 

 mens with those of Bergen, is of opinion that the Case, provinciana is the 

 Huanaco bark, and the Pata de Gallinazo forms part of the Lima bark. 



2. C. nitida, Ruiz and Pavon. — Branches and leaves quite smooth. Leaves thin, obo- 

 vate-lanceolate, acute, slightly shining, tapering very regularly and gradually into the 

 petiole, which is sometimes winged almost to its base ; with deep, ciliated pits in the axils 

 of the principal veins on the under side. Branches of inflorescence, almost smooth, ex- 

 cept the pedicels. Peduncles corymbose, forming a small thyrsus in the axils of the upper 

 leaves. Calyx-tube tomentose; limb campanulate, smooth, 5-toothed ; teeth triangular, 

 acute. Corolla like that of C. lanceolata ? 



Ruiz and Pavon, Flor. Peruv. ii. 50, t. 191; Quinol. 56 ; Lindley, Fl. 

 Med. 413; C. lanceolata, pars, De Candolle, Prod.; C. condaminea, ])ars, 

 Lambert; Must. 



Found in lofty mountains of the Andes, in cold situations. According to 

 Ruiz, it is considered as the best of all barks, and brings the highest price in 



C. micrantha. 



