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NAT. ORDER. 



Cinchonacece. 



CINCHONA OBLONGIFOLIA. CINCHONA OF THE ANDES. 



Class V. Pentandria. Order I. Monogynia. 



Gen. Char. Corolla funnel-form. Capsules infei-ior, two-celled, 

 divided, the valves parallel to the partitions, opening inwardly. 



Spe. Char. Leaves ovate, lanceolate, smooth. Capsules oblong. 



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 branches 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 ojiposite, 

 sujiported on semi-round petioles of a purple color; the stipules ^re 

 supi'a-axillary, interfoliaceous, opposite, contiguous, united at the 

 base, and of an obovate figure ; ihejloicers are produced in large, 

 erect compound, ter\mndi\, 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 Jilaments 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 cap)sules 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 Chincao, Riobamba, 

 and Chuchero, flowering in June and July. 



The entire genus of this valuable tribe of plants is indigenous to 



Vol. ii.— 'i7 



