Icosandria . 
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CLASS XII. 
ICOSANDRIA. 
Twenty or more stamens in the calyx ; three orders. 
Order I. Monosynia. 
Cactus. Cal. superior, one-leaved, imbricated ; cor. 
many- cleft ; berry one- celled, many seeded. 
Cact. Flagelliformis, Creeping Cereus ; with creep- 
ing angular shoots ; native of the West Indies, but not 
an unfrequent inmate in the stove or green-house, where 
it cannot fail to be admired on account of the brilliancy 
of its flowers. 
Numerous other species belong to this genus ; they 
are all natives of warm climates ; and on one of them, 
Cact. Codienillifer , the precious Cochineal insect 
makes its abode. 
Philaderphus Coronarius, Mock Orange. Cal. four 
or five-parted, superior ; petals four or five ; caps, four 
or five celled, many seeded ; leaves somewhat toothed. 
Supposed to be a native of the south of Europe, but it 
is now one of the most common shrubs in the garden. 
Myrtus. Gen. char. — Cal. superior, five-toothed ; 
petals five ; berry striated, seven-celled* . 
Myrt. Tomentosa, Woolly-leaved Myrtle ; with one- 
flowered peduncles ; leaves triply nerved, woolly on the 
under surface. A native of China, and is cultivated in 
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