70 STATE BOARD OF HORTICULTURE. 



THE SOUR ORANGE. 



Citrus vulgaris, var. Bigaradia, Risso. 



From the species vulgaris all others are supposed to have 

 sprung, which are sub-species proper. 



The fruit of the bigaradia and its many descendants is of a 

 red orange color, with a rugged skin, rough and porous. Pulp 

 yellow, and the juice extremely bitter. Leaf large and petiole 



Sour Orange (Citrus vulgaris, var. Bigaradia). 



highly winged. Flower large and highly perfumed. There 

 are many varieties of this species, and the fruit of some is used 

 in making marmalade and preserves, and the flowers for the 

 manufacture of perfumery. 



This species does not grow as high nor as robust as the sweet 

 orange, but on account of its hardiness and exemption from 



