RUTACE^ 



481 



stand in the syrup for about a month, and subsequently 

 boiled in a pure sugar syrup. 



CITRUS LIMONIA (Lemon) 



Description. — The lemon tree is small, from 10 to 20 feet in 

 height, with short, stout thorns; the leaves are 2 to 3 inches 

 long, long-ovate, sharp-pointed, serrate, and its petioles 

 wingless; the large dowers are axillary, usually solitary. 



{[■'ruin Calif, .l.ijr. fix p. 



sometimes in small clusters; their petals are white inside, 

 and purplish above; the stamens are usually between 20 

 and 30 in number; the ovary has 7 to 10 locules. There are 

 three sorts of flowers in the lemon: (i) perfect flowers, (2) 

 flowers with rudimentary pistils and normal stamens, and 

 (3) flowers that fail to develop beyond the bud stage. The 

 first class is the only one to set fruit. The fniit is about 3 



31 



