xii CITRUS FRUITS AND THEIR CULTURE. 



CHAPTER XVIII. 



Pomelo Group Varieties 114-126 



Varieties of Pomelos described. 



CHAPTER XIX. 



Shaddock Group Varieties 127-128 



The Shaddocks described. 



CHAPTER XX. 



Kumquat Group Varieties 129-131 



The Kumquats described. 



CHAPTER XXI. 



Citron Group Varieties 132-133 



The Citrons described. 



CHAPTER XXII. 



Lemon Group Varieties 134-140 



The different varieties of Lemons described. 

 CHAPTER XXIII. 



Lime Group Varieties 141-144 



The varieties of Limes described. 



CHAPTER XXIV. 



Originating New Varieties 145-154 



Bud-Variation Hybrids Crosses The parts of the 

 flower Cross-pollination Mode of operation Emascula- 

 tion Pollination. 



CHAPTER XXV. 



Judging Citrus Fruits 155-164 



Official scale and rules of the Florida State Horticultural 

 Society for judging citrus fruits California scales and 

 rules California orange scale California lemon scale 

 Proposed pomelo scale. 



PART II. 



CULTURAL. 



CHAPTER XXVI. 



Propagation of Citrus Trees 167-196 



Advantages of budded over seedling trees Citrus seeds 

 used in propagation and their care The nursery and its 



