Microscopical Study
In transverse section the leaf appeared
dorsiventral in nature showing three layers.
It showed the presence of single layered
epidermis composed of flat rectangular
cells covered by thin cuticle while lower
epidermis covered by thick cuticle. The
uniseriate, unicellular and multicellular
covering trichomes were present in the
upper and lower epidermis as shown in Fig.
4(27).
Standards for identity and purity
Quantitative Standrards
The following standards for identity and
purity are reported