Erect. Vertical; upright as respects the plane of the base.
Erose. As if gnawed.
Exalbuminous. Without albumen.
Excurrent. Running out, as a nerve of a leaf projecting beyond the margin.
Exfoliating. Cleaving off in thin layers.
Exogenous. Growing by annular layers near the surface; belonging to the Exogens.
Exserted. Projecting beyond an envelope, as stamens from a corolla.
Extrorse. Facing outward.
Falcate. Scythe-shaped, curved and flat, tapering gradually.
Farinaceous. Containing starch, starch-like.