The New Practical Window Gardener. 35 



For ordinary greenhouse plants, in six- or seven- 

 inch pots, place one large crock — that is, broken 

 pot — the concave side undermost over the crock-hole 

 in the bottom; put neatly over that again three or 

 four smaller pieces ; then a quantity of small broken 

 crock, covering all with a little moss or the roughest 

 of your compost to prevent the soil from being washed 

 down into the drainage. For smaller, three- or four- 



a, h, c, are three layers of crooks or potsherds ; the largest at 

 the bottom, the smallest at the top. 



inch pots, one crock and a little moss is sufficient. 

 Larger pots will require more drainage, while for ferns 

 and cacti nearly one third of the pot should be drainage. 

 An oyster shell is a capital thing for the main drain- 

 age crock. This is what may be called proper drainage. 

 Too little is bad, while too much is needless, as it only 



