GLOSSARY. 
109 
Monadelphous (stamens). United by their filaments into a tube or col- 
umn. 
Monoecious. With stamens and pistils in separate flowers. 
Moniliform. Resembling a string of beads. 
Monocotyledonous. Having but one cotyledon. 
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. 
Naked. Bare; without the usual covering or appendages. 
Nectary. Any place or organ where nectar is secreted. 
Nectariferous. Producing nectar. 
Nerve. A simple or unbranched vein or slender rib. 
Node. The place upon a stem which normally bears a leaf or whorl of 
leaves. 
Nodose. Knotty or knobby. 
Nucleus. The germ-cell of the ovule, which by fertilization becomes the 
seed; the kernel of a seed. 
Numerous. Indefinite in number. 
Nut. A hard, indehiscent, 1-celled and 1-seeded fruit, though usually re- 
sulting from a compound ovary. 
Nutlet. A diminutive nut. 
Ob. A Latin prefix, usually carrying the idea of inversion. 
Obcompressed. Compressed dorso-ventrally instead of laterally. 
Obconically. Inversely conical, having the attachment at the apex. 
Obcordate. Inverted heart-shaped. 
Oblanceolate. Lanceolate, with the broadest part toward the apex. 
Oblique. Unequal-sided. 
Oblong. Longer than broad, and with nearly parallel sides. 
Obovate. Inverted ovate. 
Obovoid. In the form of an inverted egg. 
Obsolete. Out of use; rudimentary. 
Obtuse. Blunt at the end. 
Ocrea. A tubular stipule ; Polygonum. 
Ocreate. Having sheathing stipules. 
Ochroleucous. Yellowish-white. 
Officinal. Used in medicine. 
Opaque. Dull ; not shining or lustrous. 
Operculate. Furnished with a lid. 
Operculum. A lid; the upper portion of a circumcissile capsule. 
Orbicular. Circular. 
Orthotropus (ovule or seed). Erect, with the orifice or micropyle at the apex. 
Oval. Broadly elliptical. 
Ovary. The part of the pistil that contains the ovules. 
