Uncaria, ?£NTAN!>2fA M0H0G7NIA.' 129 



Addition by N. W. 



1 have specimens of a pluut which may perhaps be this species. 

 They were collected at Piuang by Mr. Jack and labelled U. 

 cirilnjivra, Roxb. with a doubt Aa Dr. Roxburgh has not furnish* 

 cd any detailed description, it is difficult to say to which of these 

 two species they belong. From the last mentioned they differ in not 

 being smooth ; from scleropht/lln in having acute, less rounded, soft 

 leaves. 1 he\ belong to an extensively climbing shrub. Branches 

 quadragular, while young covered with much rust-coloured lumen- 

 turn, as are also the young leaves, peduocles, and flowers. Leaves 

 leathery, ovate, acute or sub < acuminata, base rounded, entire or 

 slightly retuse, about five inches long, upper surface polished and 

 shining, under one villous and soft, with sub-opposite parallel ap- 

 proximate nerves, each having an axillary glandular hairy foveola, as 

 indeed is very geneially the case with (he Naucleas ; veins trans- 

 vei sal, elegantly reticulate. Tetioli short, villous. Stipules ovate, 

 acute, bifid, \illous, almost equalling toe petioles, caducous. Tendrils 

 axillary, opposite, villous, flattened, recurved and hooked, from one to 

 two inches long. Fedunces axillary, horizontal, flattened at the base, 

 three inches long, having a joint and two opposite biactes above 

 the middle. Flowers very numerous, on long peduncles, densely 

 covered with feriuginous tomentuin, forming around head of about 

 an inch and a half iu diameter. 1 have nut seen the opened fljw- 

 ers.-N. W. 



4. U. cinhiflora, It. 



Leaves ovate-oblong, smooth. Stipules bifid. Peduncles, a con- 

 tinuations of the recurved tendrils. 

 A native of the Malay Llaada. 



5. U. acida, Hunter* 



• Hunter, 1. cit. 223. Sir J. £. Smith qtiote*fl*. 1. of Rrnnprilus's abore mecik 

 oned plate for this species. Cinchona sp. R« IX wba. iv. 6— C. kattaiemhar, R«|* Jua. 

 fide ttyst. veg. v. 14l~N. Wo 



Q 



