Cultural Notes. 127 



Mr. Halliday finds the remedy he gives for mildew, 

 as found on page 123, beneficial for this also, while both 

 Mr. Wheeler and Mr. Fisher recommend their com- 

 pound for this form of fungus. 



In relation to its cure Prof. Halstead sa\s: "This 

 trouble may be held in check by the carbonate of cop- 

 per compound, using three ounces of carbonate of cop- 

 per, one quart of ammonia and fifty gallons of water. 

 The spraying should be done once a week, using a hose 

 and nozzle that gives a fine spray. The point should 

 be to wet every part of the plant and j'et not to drench 

 it." 



After giving the whole matter careful study, I have 

 come to the conclusion that wherever it is met with in 

 an advanced stage, it is more the fault of the grower 

 than the" plant — that is, the laws governing a healthy 

 plant growth have not been observed, thus inviting this 

 disease to fasten upon an impaired vitalit^v, no matter 

 which of the various causes producing that state of 

 things has been the medium through which the disease 

 has been invited. 



CHAPTER XXIX. 

 FORCING VARIETIES— CULTURAL NOTES. 

 The number of forcing varieties suitable for contin- 

 uous winter flowering, is exceedingly limited. Many 

 varieties which are simply grand under glass in sum- 



