Monocotyledonous. Having but one cotyledon.
Monœcious. With stamens and pistils in separate flowers on the same plant.
Mucilaginous. Slimy; containing mucilage.
Mucro. A short and small abrupt tip.
Mucronate. Tipped with a mucro.
Multifid. Cleft into many lobes or segments.
Muricate. Rough with short hard points.
Muriculate. Very finely muricate.
Naked. Bare; without the usual covering or appendages.
Nectary. Any place or organ where nectar is secreted.