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Icosandria JMonó Cactus. 
including their caps ; but I have been inform- . 
ed by severàl persons who have resided in the 
West Indies that there are. plants near twice - 
aslarge. All the species are plants of a sin- 
gular structure, but especially tbe larger kinds 
of them, which appear like a large fleshy 
green. Melon, with deep ribs, set all over 
with strong sharp thorns; and when the 
plants are cut through the niiddle, their inside 
1s nothing but a soft green fleshy substance; 
very full of moisture.  And-T have been as- 
.sured by persons of. credit, who have lived in 
the. West Indies, that in times of great 
draught, the cattle repair to the barrén rocks, 
which are covered with these plants ; and af- 
ter baving ripped up the large plants with their 
horns, so as to tear off the outside skin with 
ho 
which are so well defended by strong tborns, 
wbich are as hard and as stiff as. whale-bone; 
