ROSA INVOLUTA VAR. LIVIGATA ‘ 37 
Rosa INVOLUTA var. LEVIGATA 
Baker, oe Brit. en p. 207 (1869). 
the petioles villose and TTacorb.sskone, but aaa at al 
aciculate ; the sepals are quite simple and not glandular on the 
Through the great kindness of Mr. F. W. Moore, A.L.S., 
have been able to see the specimens in Dr. Moore’s herbarium from 
Umbra Rocks, Derry, which Mr. Baker tells me constitute his 
hose of most of the group, and are often somewhat curved, 
like those of R. gracilis ; the small acicles very few. Leaflets 
normally small, but quite large on a luxuriant shoot ; they are 
sone are quite entire, ‘sm oui on ss cates at a 
ay pe ciliate. The fruit is sal, smooth, and globose. 
R. involuta var. levigata can be distinguished in the group 
from all ‘other ie ge enna var. Webbit by its quite smooth 
ai eon and fruit, and from var. Webbii, which it approaches 
perhaps too apne, by. its decidedly more hairy leaflets, and entire 
or subentire sepals, which are smooth on back or nearly so. 
ave seen it from no other station except those satire above. 
An example by Sadler from Edinburgh, placed here by Mr. Baker, 
is Siacred to under var. Webbiz, which is very near var. laevigata. 
Rosa INVOLUTA var. WEBBII 
Baker in Journ. Bot. 1874, p. 338. 
“Tt has the copious —_. straight prickles of — type: 
leaves like those of Doniana in size, shape, and serration, but 
quite naked on both ta except that the midrib is clothed ‘witli 
a few obscure adpressed hairs. Common petioles furnished with 
copious acicles and gland-tipped bristles, but scarcely at all pilose. 
Peduncles and ovary entirely naked, sepals for the species un- 
usually large and compound oo one of the specimens now before 
