NOTES ON BRITISH RUBI. 219 
prickles; white petals; white stamens equalling the green styles. 
The calyx also is slightly aciculate, and the leaves are usually not 
at all notched at the base. The credit of determining the true 
name of this plant belongs to Mr. Baker, who sent it to me as the 
fi. hamulosus Mill. in 1865. Probably it will have to be distin- 
guished specifically. 
5. ( R. arrints. Ours is the plant of Génévier and the R. 
cordifolius of Baker (teste Génév.). Our old R. cordifolius is probably 
nly a form of R. rhamnifolius. — 
from Minden, which is marked “verus” by Areschoug. We have 
been accustomed to name some forms R. cordifolius; but Focke 
tells us that the true R. cordifolius is very rare, and it seems to be 
different, but I have not seen a specimen of it. Génévier says that 
0 ong compressed base; leaves quinate ; leaflets coriaceous, 
convex, shining, subglabrous, hairy only on the veins beneath, doubl 
Serr ather lobate towards the tip, cuspidate, not imbricate ; ter- 
length of their bases. I think that we may well separate this from 
Re imbricatus, although the leaflets of that plant do not seem to be 
orm lifol shir : 
(‘Brit. Rubi,’ 92) is not R. latifolius. : The R. latifolius Boul., a 
much : lifolius. 
ue. later — —_ ose R. coryltfe The plaut which wo SS 
been accustomed to call by this name has no right to it. We only 
