124 CITRUS FRUITS AND THEIR CULTURE, 



The leaves of this variety are different from those of 

 the orange or grapefruit. On some leaves the wings are 

 entirely absent. In others the wing is cut in on one side 

 only, leaving the other entire, while other leaves have a 

 well marked wing on both sides. 



The fruit is certainly unique and interesting, and pos- 

 sesses a considerable degree of merit. 



Pernambuco. Form oblate ; size 3 34 x 4 3-4 inches, 

 3 7-8 x 4 1-2 inches; stem stout; calyx medium in size; 

 color very light yellow; rind 1-4 inch thick, compact, 

 closely attached, smooth; oil cells large, sunken; sections 

 twelve, uniform in size, well defined; flesh grayish green; 

 bitterness well marked; acidity and sweetness good; char- 

 acter well marked; seeds sixty to seventy-five, whitish, 

 wedge-shaped, irregular; season late. 



This variety was imported by the United States De- 

 partment of Agriculture from Pernambuco, Brazil. It is n 

 variety of very fine quality. 



Royal. Form 

 slightly oblate; 

 size 3x31-2 

 inches, 3x35-8 

 inches ; stem 

 stout ; color 

 light yellow ; 

 rind 1-8 inch 

 thick; oil cells 

 small ; sections 

 eleven or twelve, 

 small, regular ; 

 fl e s h grayish ; 



Fig. 25. Duncan Pomelos. 



green; bitter principle almost entirely lacking; acidity me- 

 dium ; sweetness good can be eaten from the hand as an 



