NAT. ORDER. 
Cinchonacece. 
CINCHONA OBLONGIFOLIA. CINCHONA OF THE ANDES. 
Class V. Pentandria. Order I. Monogynia. 
Gen. Char. Corolla funnel-form. Capsules inferior, two-celled, 
divided, the valves parallel to the partitions, opening inwardly. 
Spe. Char. ie<z?;e5 ovate, lanceolate, smooth. Capsules ohloxig. 
This elegant tree rises from thirty to sixty feet in height; the 
trunk is single, round, smooth, erect, and covered with a brown or 
ash-colored hark; the older hrariches are smooth, round, and have a 
rusty appearance ; the younger branches are obtusely quadrangular, 
leafy, and of a reddish color ; the leaves when full-grown, are from 
one to two feet long, of an oblong-oval shape, and stand opposite, 
supported on semi-round petioles of a purple color; stipules ^xo. 
supra-axillary, interfoliaceous, opposite, contiguous, united at the 
base, and of an obovate figure ; the Jlowers are produced in large, 
erect compound, texxmn^, panicles, and placed upon long, brachiated, 
many-flowered peduncles; the calyx is small, fine-toothed, and of a 
purple color; the corolla is white and odorous; the filaments are 
very short and inserted into the tube of the corolla ; the anthers 
are oblong, bifid at the base, and situated below the middle 
of the tube of the corolla ; the capsules are large, oblong, 
obscurely striated, somewhat curved, and crowned by the calyx. 
This tree is found on the Andes, growing in woods, on the banks of 
mountain streams, and particularly abundant at Chine ao, Riobamba, 
and Chuchero, flowering in June and July. 
The entire genus of this valuable tribe of plants is indigenous to 
Vol. ii.— 27 
