264 HORTICULTURE, FORESTRY, FLORICULTURE 



(P. B. 223.) 



Citrus Vulgaris. This is the sour or bitter bigarade orange 

 commonly grown as an ornamental tree. This may more properly 

 be called the Seville orange. 



Citrus Decumana. Here are included the pomelos or grape- 

 fruits, the shaddock, etc. They are vigorous growing trees with 

 very dark green leaves, very prolific in bearing. 



Citrus Mediea. The citron, lemon, sour lime and sweet lime 

 all belong to this species. They are in general far more sensitive 

 to frost than the three preceding species. 



Citrus Japonica. This includes the kumquats or kin kans, all 

 small bushy plants from Cochin China. Fruits small with mostly 

 acid pulp and sweet rinds, valuable for preserving. 



Citrus Nobilis. This is the Mandarin or kid-glove orange. 

 Here belong such small, oblate, loose-skinned varieties as China, 

 King, Dancy tangerine, and Satsuma. 



Citrus Trifoliata. This is the only deciduous orange. The 

 fruit is not edible. It is very hardy, oeing used as an outdoor 

 ornamental in the Eastern States as far north as Washington City. 



In certain locations climatic and other conditions permit the 

 growing of all the above enumerated citrus fruits. The sweet 

 oranges are the citrus fruits of most commercial importance ; While 

 the production of oranges in California and Florida has increased 

 by leaps and bounds within late years, still the markets seem ready 



