उमा - Linum usitatissimum
Name - अतसी
Botanical name - Linum usitatissimum
Description - Erect herbs. Flowers small, bluish-white, in terminal panicles. Seeds yellowish or blackish-brown, ovoid.
Chemical Constituents- Seeds contain HCN glucoside linamarin, 30% to 40% fixed oil 6% mucilage, 25% of protein along with wax, resin, sugar, and phosphates, sterols, also contains a cyanogeneiic glucoside Linamarin which is also present in leaves, stems, roots and flowers.
Use - It is used as demulcent. The poultice used in gout and rheumatism. It is given internally in irritation of the genito urinary tract and gonorrhoea