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ROSA VIMINEA. 49 
30. ROSA viminea. 
R. ramis vimineis, armis setaceis confertissimis rectis 
patentibus inzequalibus, foliolis membranaceis planis 
impubibus simpliciter serratis. 
Hab. in horto quodam academico legit P. S. 
Pallas. (v. s. ¢. herb. Lambert.) 
Branches long, very slender and wiry, quite unlike 
those of R. spinosissima, armed with very dense, seta- 
ceous, spreading, straight, unequal prickles and a few 
sete. Leaves very long; stipules dilated at the end 
and somewhat falcate; leaflets 5-7, oblong, simply ser- 
rated, of a membranaceous texture ; petioles, peduncle 
and calyx naked; tube ovate; ‘flowers very large. 
For this Iam indebted to the liberality of A. B. 
. Lambert, Esq. who received it with the rest of Pallas’s 
splendid herbarium. Its native country is unknown. 
From the ticket attached to the specimens, which is 
scarcely legible, it seems to have been obtained from 
some Botanic garden. It can be confounded with no- 
thing but spinosissima or lutescens, from which its long, 
weak, wiry shoots, clothed with very dense, setaceous 
prickles distinguish it. I know no other Rose with 
such an habit. Had it been caused by the plant grow- 
ing in a shady close place, the shoots would not have 
been covered with such dense arms, and the leaves 
would have been further asunder. Its membranous fo- 
liage will prevent any variety of R. spinosissima being 
mistaken for it, whose texture is always very firm and 
rigid. Luxuriant shoots of the latter have very strong, 
usually falcate prickles ; weak ones have none. | 
Ho. Bot. Ga arden. 
H 
