Hypopithys

[Gr. hypo, under, pitys, a pine-tree; its place of growth.] ( Bot.) A genus of plants, order Monotropacese. They are parasitic herbs, of a tawny white color; root scaly; stem simple; flowers racemed, lateral ones tetramerous, terminal ones pentamerous. H. lanuginosa, the Pine-sap, is found in woods from the Carol in as N. to Canada. (Anat.) The gland-like body and sac which originate from the under surface of the third ventricle of the brain.