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 haye 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 



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, 

 and place them where they can have all the light possi- 



OXALIS ROSEA (fLORIBTODA). 



