OXALIS. 247 
they require a season of rest; that season can be easily 
regulated, but it is of no use to try to flower these bulbs 
in winter, if they have flowered in the summer. The 
use of this, as well as of the following species, is as 
winter flowering plants, and to have them flower in win- 
ter, bulbs must be procured that were formed on winter 
flowering plants, and ripened off in spring or early sum- 
mer. Bulbs that have flowered during the summer, and 
have formed new ones which have perfected their 
OXALIS ROSEA (FLORIBUNDA). 
growth, will not flower again until the following sum- 
mer. This is often the cause of failure, in winter 
blooming. The bulbs offered by the trade have been 
grown in the open ground during summer, when, instead, 
they should have been grown in the greenhouse the pre- 
vious winter. The cultivation of this species is very 
simple. In October put three bulbs, the larger the bet- 
ter, in a six inch pot filled with ordinary potting mold, 
aud place them where they can have all the light possi- 
