THE LEMON ] 35 



4. LARGE SMOOTH CITRON OF CALABRIA. Tree 

 strong and very productive. Fruit large or very large, 

 egg-shaped, sometimes nearly round. Peel very thick 

 and tender, very smooth, clear yellow at maturity, and 

 of good fragrance. This is one of the best sorts for 

 candying, an4 is largely grown in Calabria. 



5. LARGE GROOVED CITRON OF CALABRIA. Tree 

 strong and very productive. Fruit very large, egg-shaped 

 or elliptical, wrinkled, and usually with deep longitudinal 

 groves or folds. Peel very thick and tender, clear yellow 

 at maturity, very fragrant. 



6. GIANT CITRON OF CHINA. Tree middling, little 

 productive. Fruit very large or enormous, elliptical; 

 peel deeply wrinkled, golden yellow at maturity, very 

 thick, and fragrant, pulp greenish and very acid. 



7. SALO CITRON. Tree middling, productive, fruit 

 rrval, navel depressed, with a deep groove around it. 



8. SMALL CHINA ORANGE-CITRON. Tree small or 

 very small, productive, leaves small. Fruit round, very 

 small, 3 to 5 c. m. in diameter, navel not protruding 

 or depressed. Rind of a deep orange colour, pulp yellow, 

 slightly acid or sweetish. 



THE LEMON. 



(Citrus Limonum, Risso.). 



The tree is invariably larger and stronger than the 

 citron and although it prefers a cool, shady situation, a 

 hot and dry place will not affect it adversely to the same 

 extent as the citron. The lemon is grown principally for 

 the sake of its acid juice, which is used largely in 

 domestic economy and in the arts, and also for the 

 extraction of citric acid. The citric acid industry is always 

 associated with that of the extraction of lemon essence 

 from the peel. The rind is peeled off and the essence 

 pressed out on a sponge, and the juice is then pressed 



