ARBORETUM NOTES. 17 
ROSACEA®: 
ROSEA, 
ktosa Banksiz, Robert Brown. 
Loudon v2 2979 
This is a very pretty climber of astonishingly Rosez. 
rapid growth; I hardly know any other which makes 
such long shots in the season. It bears our 
ordinary winters without any injury; but the two 
which were planted by my father against the walls 
of the house, and which had grown to great height 
and bulk, were killed to the very ground by the 
winter of 1860-61. One of them (against the 
south-west front) has since grown up again to 
almost as great a height as before; indeed it 
reaches nearly to the top of the house, and its 
woody stems are of considerable thickness. Its 
intricate entanglement of branches affords excellent 
nesting places for a variety of small birds. This 
plant is of the white flowered variety, which is 
considered as the type of the species. It flowers 
plentifully, but at a season when we are usually 
absent from home. The bark of the old stems 
which 1s of a dull greyish brown color and tolerably 
smooth, splits open spontaneously, cracking length- 
wise, and rolling back, exposing the inner bark; 
this latter is of a bright cinnamon color, and 
composed of a great number of very delicate, soft, 
B 
