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GLOSSARY. 



Mid-rib, or M id-nerve. The central and 

 principal nerve of a leaf. 



Monadelphous. Having the stamens all 

 united by their filaments into a col- 

 umn or tube. 



Monandrous . Having a single stamen. 



Moniliform. Resembling a chaplet or 

 string of beads . 



Monocephalous . Bearing a single head 

 of flowers. 



Monocotyledon. A plant whose embryo 

 has a single cotyledon . 



Monoecious. With stamens and pistils 

 in separate flowers upon the same 

 plant. 



Mucro, Mucronation.A short and small 

 abrupt rigid tip. 



Multicipital . Many -headed, applied to 

 a much-branched rootstock. 



Multifid. Cleft into many lobes or seg- 

 ments . 



Muricate Bough, with short hard 

 points . 



Muriculate .-- Finely muricate. 



Nectariferous. Secreting nectar. 



Nectary. The manifest gland of a petal 

 within. 



Nerve. A simple vein ; a rib. 



Noddinq. Curving downward; some- 

 what inclined from the perpendicu- 

 lar. 



Node. A knot or swelling ; a place upon 

 a stem where a leaf, or a pair, or a 

 whorl of leaves, is borne. 



Nodose. Having knots or swelling 

 joints. 



Nut. A. hard indehiscent one-seeded 

 fruit, usually resulting from a com- 

 pound ovary . 



Nutlet. A. small nut ; also applied to the 

 hard seed-like divisions of the fruit 

 of the Labiatae, Verbena, etc. 



Obcompressed . Flattened contrary to 

 the direction of the sides, dorsally 

 instead of laterally. 



Obconical. Resembling an inverted 

 cone. 



Obcordate. Inverted cordate, the lobes 

 at the upper end. 



Oblanceolate . Inverted lanceolate, with 

 the broadest part toward the apex. 



Oblate . Flattened at top and bottom . 



Oblique. Turned to one side; unequally 

 sided. 



Oblono. Considerably longer than broad 

 and with nearly parallel sides. 



Obovate. Inverted ovate, the broader 

 part toward the apex. 



Obovoid. Inverted egg - shaped, the 

 broader part above. 



Obtuse . Blunt or rounded at the end . 



Obversely . In a reverse manner. 



Ochroleucous. Yellowish- white. 



Opaque. Dull, not shining. 



Operculum.A lid, separating by a 

 transverse line of dehiscence. 



Opposite. Standing against or facing 

 each other, as a stamen against a 

 petal, or two leaves at the same node. 



Orbicular. Circular or nearly so. 



Order. A. principal group next above 

 the genus in rank, and including re- 

 lated genera more or less distin- 

 guished from others by certain com- 

 mon characters . 



Ordinal. Relating to orders. 



Osseous. Bony. 



Oval. Broadly elliptical. 



Ovary. The dilated portion of the pistil, 

 bearing and containing the ovules. 



Ovate. Shaped like the longitudinal out- 

 line of an egg, the broader portion 

 toward the base ; also egg-shaped as 

 applied to fruits, etc. 



Ovoid. Nearly egg-shaped. 



Ovule. A rudimentary organ which 

 after impregnation becomes a seed. 



Palate. A protrusion at or near the 

 throat of a bilabiate corolla. 



Palea.A chaff or chaffy bract; in 

 grasses, the two inner bracts of the 

 flower. 



Paleaceous Chaffy or furnished with 

 chaff. 



Palmate. Of leaves, compound with the 

 leaflets radiating from the summit of 

 the petiole. 



Palmately. In a palmate manner. 



