ROSES UNDER GLASS. 117 
first shift. Do not order the plants sent by 
mail, for under no circumstances will plants 
by mail ever be as good as those sent by ex- 
press; for the reason that the soil is shaken 
off the roots when prepared for mailing, and 
the roots get damaged in transit. I would 
rather pay double the price for every plant 
I wanted and have them come by express 
than have them mailed at one-half the 
price. 
After the sun causes the temperature of the 
house to rise during the day, as during mild, 
clear days in February, March, and April, 
careful attention must be paid to ventilation ; 
air is to be given from the ridge, never from 
the front, until after the first of June, or the 
plants will suffer from mildew, etc. The 
Aphis must be kept off by tobacco fumiga- 
tion; never allow the plants to become in the 
least infested. Prevent mildew by dusting 
flowers of sulphur on the pipes or flues, 
which should previously be moistened with 
water. 
The plants will be ready for removal from 
the houses to open air about the first of June. 
The position chosen for plunging the roses 
must not be one exposed to sweeping winds 
or strong draughts of air. The pots may be 
plunged in a bed of coal-ashes, or any similar 
