GLOSSARY 



1083 



LocuUcidal (deliiscence) . Splitting down 

 through! the middle of the back of each 

 ceU. 



Lodicules. Minute hyaline scales sub- 

 tending the flower in grasses. 



Loment. A jointed legume, usually con- 

 stricted between the seeds. 



Lunate. Crescent-shaped. 



Lunulatc. Diminutive of lunate. 



Lurid. Dirty brown. 



Lutescent. Yellowish, or becoming yellow. 



Lyrate. Pinnatifld, with the terminal 

 lobe or segment considerably larger 

 than the others. 



Macrosporange. Sporange containing mac- 

 rospores. 



Macrospore. The larger of two kinds of 

 spores borne by a plant, usually giving 

 rise to a female prothallium. 



Magenta. A glaring red. 



Mammillale. Furnished with nipple-shaped 

 processes. 



Marcescent. Withering, but remaining 

 attached. 



Medullary. Pertaining to the pith or 

 medulla. 



Membranaceous, Membranous. Thin and 

 rather soft and more or less translucent. 



-merous. In composition, having parts, 

 as 2-merous, having two parts of each 

 kind. 



Mesa. Dry tableland. 



Mesocarp. The middle layer of a peri- 

 carp. 



Micropyle. Orifice of the ovule, and cor- 

 responding point on the seed. 



Microsporange. Sporange containing mi- 

 crospores. 



Microspore. The smaller of two kinds of 

 spores borne by a plant, usually giving 

 rise to a male prothaUiimi; pollen-grain. 



Midvein, Midrib. The central vein or rib 

 of a leaf or other organ. 



Monadelphous. Stamens united by their 

 filaments mto one set. 



Moniliforrn. Like a string of beads. 



Monoccphalous. Bearing only one head. 



Monocotyledonous (embryo). Having only 

 one cotyledon. 



Monoecious. Bearing stamens and pistils 

 on the same plant, but in diflferent flow- 

 ers. 



Mucro. A short and small abrupt tip. 



Mucronate. With a short sharp abrupt 

 tip. 



Mucronulate. Duninutive of mucronate. 



Multicellular. Consisting of many cells. 



Multifid. Cleft into many lobes or seg- 

 ments. 



MuUilocular. Possessing many loculi or 

 cavities. 



Muricate. Roughened with short hard 

 processes. 



Muriculate. Very finely muricate. 



Muticous. Pointless, or blunt. 



Napiform. Turnip-shaped. 



Naturalized. Plants not indigenous to 



the region, but so firmly established as 



to have become part of the fiora. 

 Nectariferous. Nectar-bearing; having a 



nectary. 

 Nectary. An organ which secretes nectar. 

 Nerve. A simple or unbranched vein or 



slender rib. 

 Nigrescent. Becoming black or blackish. 

 Node. The place upon a stem which 



normally bears a leaf or whorl of leaves. 

 Nodose. Furnished with knots or nodes. 



Nodulose. Diminutive of nodose. 



Nut. An Indehiscent one-seeded fruit 



with a hard or bony pericarp. 

 Nutlet. Diminutive of nut. 



Ob-, as a prefix, signifies inversion, as fol- 

 lows: 



Obcompressed. Flattened the opposite of 

 the usual way. 



Obconic. Conical, but with the point of 

 attachment at the ape.x. 



Obcordate. Inversely heart-shaped. 



Oblanceolate. Inverse of lanceolate. 



Oblong. Longer than broad, with the 

 sides nearly parallel, or somewhat 

 ciu-ving. 



Obovate. Inversely ovate. 



Obovoid. Inversely ovoid. 



Obpyramidal. Inverted pyramidal, i. e., 

 pyramidal with the base uppermost. 



Obsolete. Imperfectly developed or rudi- 

 mentary. 



Obtuse. Blimt, or rounded. 



Ochroleucous. Yellowish white. 



Ocrea. A sheathing stipule. 



Ocreate. Having sheatliing stipules. 



Offset. Short branch next the ground 

 which takes root. 



Opaque. Not transparent. 



Operculate. With an operculum. 



Operculum. A Ud. 



Orbicular. Approximately circular in out- 

 line. 



Orthotropous (ovule or seed). Erect, with 

 the orifice or micropyle at the apex. 



Oval. Broadly elliptic. 



Ovary. The part of the pistil that con- 

 tains the ovules. 



Ovate. In outline like a longitudinal sec- 

 tion of a hen's egg. 



Ovoid. Shaped like a hen's egg. 



Ovule. The macrosporange of flowering 

 plants, becoming the seed after fertiliza- 

 tion. 



Oauliferous. Bearing ovules. 



Palate. A roimded projection of the 

 lower lip of a personate corolla, closing 

 the throat. 



Palea (plural paleae). Chaff; the chafP or 

 bracts on the receptacle of many Com- 

 positae. 



Paleaceous. Chaffy. 



Palet. The upper thin chaffy or hyaline 

 bract which with the lemna encloses 

 the flowers m Grasses. 



Pallid. Pale. 



Palmate. Diverging radiately Like the 

 fingers. 



Palmately. In a palmate manner. 



Panduriform. Same as fiddle-shaped. 



Panicle. A compound flower-cluster of 

 the racemose type. 



Panicled, Paniculate. Borne in a panicle; 

 resembUng a panicle. 



Pannose. Of the appearance or texture 

 of felt. 



Papilionaceous (corolla). Having a stand- 

 ard, wings, and keel, as in the peculiar 

 corolla of the Pea Family. 



Papilla. A little nipple-shaped protuber- 

 ance. 



Papillate, Papillose. Covered with papil- 

 lae. 



Pappifcrous. Pappus-bearing. 



Pappus. The modified calyx-Umb in 

 Compositae, forming a crown of very 

 various character at the sununit of the 

 achene. 



Papyraceous. Having a papery texture. 



