XVIII. PINE APPLES. 



These are distinguished by the relative length of the spines of their 

 leaves, the colour of their flowers, and the form of their fruit, to 

 which their average weight and qualities are added. The ab- 

 breviations are as follow : 



Spines. L. large ; M. middle-sized ; S. small ; O. none. 



Form of the Fruit. ~ cyl. cylindrical ; pyr. pyramidal ; obi. oblong. 



Quality. 1. Best; 2. Second-rate; 3. Middling or bad. 



