4 ii 



GLOSSARY OF BOTANICAL TERMS. 



Monostichous. — Arranged in a single ver- 

 tical row. 



Monostylous. — Having a single style. 



Motile. — Possessing the power of motion. 



Mucronate. — Applied to a leaf which is 

 abruptly tipped with a small, soft point. 



Multicellular. — Consisting of many cells. 



Multifid. — Many-cleft, or cleft into many 

 lobes or segments. 



Multilocular. — Possessing many loculi. 



Multipinnate. — Many times pinnate. 



Multiple Fruit. — A fruit composed of 

 numerous small fruits, each the product 

 of a separate flower, as the Mulberry and 

 Pineapple. Same as collective fruit. 



Multiserial. — In many series. 



Muricate. — Roughened with short, rigid 

 excrescences. 



Muscology. — The Botany of Mosses. Same 

 as Bryology. 



Muticous. — Blunt, not pointed. 



Mycelium. — The vegetative hyphae of 

 fungi, usually forming interwoven or tan- 

 gled masses in the substratum. 



Mycology. — The botany of the Fungi. 



MAPIFORM.— Turnip-shaped. 



Navicular, or Naviform. — Boat-shaped, 

 as the glume's of many grasses. 



Nectary. — The honey gland or honey re- 

 pository of a flower. 



Nervation. — Applied to the parallel form 

 of venation. 



Nerved. — Parallel-veined. 



Node. — The point on the stem of a plant 

 where the leaf is inserted. 



Nodose. — Jointed or swollen at intervals. 



Nucellus. — A term applied to the body of 

 the ovule or that part within the coats. 



Nucleolus. — A minute spot in the nucleus 

 of a cell; literally, a little nucleus. 



Nucleus. — The rounded, granular portion 

 of the protoplasm in which the process of 

 cell division begins. That portion of the 

 ovule included within the coats is also 

 called the nucleus, but this use of the term 

 should be abandoned. 



Nuciform. — Shaped like a nut. 



Nuclein. — That portion of the nucleus 

 which readily absorbs coloring matter. 



Nucule. — A small nut; a term often applied 

 to the female organ in the Characea:. 



Nutant. — Nodding. 



Nutation. — Used in the same sense as 

 circumnutation, which see. 



Nyctitropic. — Applied to movements con- 

 nected with the phenomenon called the 

 " sleep of plants." 



QBCONICAL — Conical, but with the point 



of attachment at the apex. 

 Obcordate. — Inversely heart-shaped. 

 Oblanceolate. — Inversely lanceolate, or 



tapering more toward the base than 



toward the apex. 

 Oblong. — Applied to leaves, petals, etc., 



that have a flowing outline and are two or 



three times longer than broad 

 Obovate. — Inversely egg-shaped. Applied 



to leaves. 

 Obsolete. — A term applied in botany to 



an imperfectly developed or rudimentary 



organ. 

 Obtuse. — Blunt. Applied to leaves, etc. 

 Obvolute. — The term applied to that form 



of vernation in which half of one leaf 



covers half of another; half-equitant. 

 Ochrea. — A stipular sheath, formed by the 



coalescence of the stipules around the 



stem. 

 Ochroleucous. — Yellowish-white. 

 Octamerous. — Applied to whorled organs 



having eight parts in each whorl. 

 Offset. — A short, rooting branch. A short 



stolon. 

 Oligarch. — A term descriptive of radial 



fibro-vascular bundles which have few 



rays. 

 Oligandrous. — Having few stamens. 

 Oliganthous. — Having few flowers. 

 Oligospermous. — Few- seeded. 

 Oogamous. — Applied to the union of game- 



etes when they are dissimilar in form and 



size. 

 Oogonium. — The female reproductive organ 



of the Oophyta. 

 Oophore. — The stage in the development of 



Bryophyta and Pteridophyta in which the 



sexual organs are borne. 

 Oosphere. — The unfertilized germ-cell in 



the oogonium. 

 Oospore. — A spore developed in a fertilized 



oogonium ; a fertilized and matured 



oosphere. 

 Operculate. — Possessing an operculum. 

 Operculum. — A lid; the top of a capsule 



that separates transversely by an even 



line, as the operculum of Mosses. 

 Orbicular. — Applied to leaves or other 



flattened organs that have a nearly circu- 

 lar outline. 



