THE GREEN-HOUSE. 225 



sharp frost on the 5th of September, though it is 

 seldom dreaded before the middle of October. 

 Yet, as the plants can be treated with full air 

 in a well-constructed house, they had better be 

 placed under its protection too soon than too late: 

 the 10th of September will therefore be a very 

 safe date on or about which to house the plants. 



The plants will require but little preparation 

 for this removal ; ridding them of faded flowers, 

 dead leaves, irregular growths, moss or weeds, is 

 all that is requisite. If they have been set where 

 it is probable the roots have got through the pots, 

 they should all be moved, and the vagrant roots 

 cut off' about a week or ten days before being 

 carried to the house. 



There is no particular rule for arranging or 

 placing the plants on the stage. Sometimes they 

 are grouped in families, but more frequently 

 mixed indiscriminately, according to their height, 

 a little intricacy being given to the bank of 

 foliage, by placing conspicuous individuals here 

 and there above the rest. 



When the plants are all thus arranged for the 



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