18 



THE NURSERY-MANUAL 



as shown in Fig. 8. This is cheaper than the lath screens, and 

 is equally as good for most purposes. The brush is often laid 

 directly on the ground, especially in large beds. This answers 





FIG. 8. Brush screen. 



the purpose of shading, but it does not allow of weeding, and 

 it must be taken off soon after the seeds germinate, or slender 

 plants will be injured in its removal. Brush screens are some- 

 times raised three or four feet to allow of weeding. 



A good screen for frames is shown in Fig. 9. It is a simple 

 covering of muslin stretched over the top and sides of a 

 rough framework. The cloth is usually omitted from the 



FIG. 9. Cloth screen for frames in which seeds and cuttings may be handled. 



front side. This style of screen is much used by nurserymen, 

 especially for cutting-beds. Whitewashing the sashes of 

 coldframes also affords good shading. A more elaborate and 

 permanent screen is shown in Fig. 10. It is built of slats, 



