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PHARMACEUTICAL BOTANY 
SUBDIVISION II.—ANGIOSPERMS OR ANGIOSPERMS 
(Plants with covered seeds) 
Class A. —Monocotyledones 
A class of Angiosperms characterized by the following peculi¬ 
arities: 
Fig. 162.—Morphology of the typical monocotyledonous plait. A, leaf, 
parallel-veined; B, portion of stem, showing irregular distribution of vascular 
bundles; C, ground plan of flower (the parts in 3’s); D, top view of flower; E, seed, 
showing monocotyledonous embryo. {Gager.) 
One cotyledon or seed leaf in the embryo. 
Stems endogenous with closed collateral or concentric fibro-vascu¬ 
lar bundles, which are scattered. 
Leaves generally parallel veined. 
