INTRODUCTION. 45 



up or let down at pleasure. The ends and sides 

 are closed by curtains, and hung on headed studs 

 driven into the end rafters and eaves-plate, by 

 eyelet-holes worked in the upper leech of the cur- 

 tains ; at the bottom, they are fastened down by 

 tenter-hooks or ties. Such a frame and avv'ning;, 

 if care be taken to lay it up dry in a spare room, 

 will last for many years; and, when in use, may 

 be made, by ornaments fixed at the ends of the 

 ridge and at the tops of the columns, not at all 

 an unsightly object, even in the flower-garden. 



OF INSECTS, &c. DESTRUCTIVE TO 

 FLOWERS. 



The florist has continually to guard against 

 the depredations of enemies that feast on and 

 disfigure his choice flowers. Snails {Helix) and 

 slugs {LimcLx agrestis) are the most common and 

 destructive to both flowers and foliage. They 

 are easiest got rid of by watering the ground or 

 places where they harbour with lime or salted 



