PREFACE 



XXV 



protective measures; they can be further studied in the 

 bulletins of the federal government and of the different 

 states, as well as in recent handbooks, notably Smithes 

 "Economic Entomology," and Lodeman's "The Spray- 

 ing of Plants." I have no hesitation in recommending 

 any vegetable gardener to purchase these books, and to 

 provide himself with a spraying outfit suitable to the 

 size of his gar- 

 den, whether the 

 outfit consist of 



$ i ' fcifc^^fe L r^ 5 ** 



Fig. 4. A knapsack spray-pump, one of the 

 various convenient hand-power devices. 



a power sprayer 

 or merely of a 

 whisk broom. 



In the names 

 of plants I have 

 followed the us- 

 age of the Cyclo- 

 pedia of Ameri- 

 can Horticul- 

 ture, giving cross references from local or popular names. 



I have not concerned myself with plant varieties or 

 varietal names, which are often merely of local impor- 

 tance and appear and disappear rapidly. I have, how- 

 ever, given the classes into which the varieties fall (as 

 pole and bush beans, early and late cabbage, tall and 

 dwarf peas), with directions for their different treat- 

 ment. For a choice of varieties, I advise beginners to 

 choose a good seedsman and depend upon his advice, 



