340 



tons used to be imported annually into Britain alone, and a 

 good deal also to other countries, valued at about £400 for 

 the ton. The precious Carmin-pigment is prepared from 

 Cochineal. 



Opuntia elatior, Miller. 



Central America, A hedge plant with formidable thorns. 



Opuntia Ficus Indica, Miller. 



Central America, north as far as Florida. Serves for hedges. 

 Pulp of fruit edible. 



Opuntia Hernandezii, Candolle. 



Mexico. AiFords also food for the Coccus Cacti. 



Opuntia spinosissima, Miller. 



Mexico and "West India. Stem columnar with pendant 

 branches. Also a good hedge-plant. 



Opuntia Tuna, Miller. 



"West India, Ecuador, New Granada, Mexico. Irrespective 

 of its value as the principal Cochineal plant, this Cactus is 

 also of use for hedges. It will attain a height of 20 feet. 

 The pulp of the fruit is edible. "With the other species 

 hardy at least in our lowlands. 



Opuntia vulgaris, Miller. 



Central America, northward to Georgia, southward to Peru. 

 Adapted for hedges and like the rest inflammable, thus par- 

 ticularly valuable along Railway-lines. The fruit almost 

 smooth, also eatable. A dye can also be prepared from its 

 pulp and that of allied species. Numerous other species 

 are here industrially eligible for hedging purposes. 



Origanum Dictamnus, L- 



Candia. Like the following a scent-plant of somewhat 

 shrubby growth. 



Origanum Majorana, L. 



North Africa, Middle Asia, Arabia. A perennial herb, used 

 for condiment, also for the distillation of its essential oil. 



Origanum Maru, L. 



Palestine. Perennial and very odorous. 



