No. 1710, 
ARABIS UNDULATA. 
Class, Order. 
TETRADYNAMIA SILICULOSA. 
This is a native of the South of Europe, 
and was introduced in 1823. It appears to 
be perennial, although in some of the books 
it is called annual. It is of very low growth, 
and flowers in April, being a proper plant 
for rock work. Its early pure white 
flowers make it an acceptable subject also 
for a pot, among the herbaceous collection. 
It increases without difficulty, and should 
be potted in light loam. 
