48 
The Bulbous Roots in this class are some of them 
noxious, as those of the Narcissus, the Hyacinthus, 
and the Fritillaria ; others are corrosive, as Al- 
LiUM, but by roasting or boiling, they lose great part of 
their acrimony. 
Although Class XI. Dodecandria implies by the 
name twelve stamina, yet it includes from twelve to nine- 
teen inclusive, and if more than nineteen, inserted on the 
receptacle, the flower falls under class XI 11. Poly- 
ANDRiA ; if more or even less than twenty inserted on 
the calyx or corolla, under Class XII. Icosandrta. 
2. Classes clerked from the consideration of the Number 
and Insertion of Stamina, The appellations of these 
have the same origin, as in the classes above, thus 
Class XII. IcosANDRiA, from '^o^', ikosj, tivcnty^ 
and c^rnq, ANER, a male. 
Class XIII. PoLYANDRiA, is SO Called from nhs 
roLus, many^ and av^f, aner, a male. 
Class XII. Icos ANDRIA, is so called from the number 
of males, usually being twenty, though very frequently 
there is observed a greater number. In this class are 
to be found the fruit-trees. The calyx in them is mono- 
phyllous, concave, fleshy, and the stamina are inserted 
into it, or the corolla, which is usually five-petalled. 
Class XIII. PoLYANDRiA, on the contrary, instead 
of possessing edible fruits, contain chiefly plants possess- 
ing poisonous qualities. 
