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GLOSSARY 



LocuKcidal (dehiscence), Splitting down 

 tlirough the middle of the baclc of each 

 cell. 



Lodicules. Minute hyaline scales sub- 

 tending the flower in grasses. 



Lament. A jointed legume, usually con- 

 stricted between the seeds. 



Lunate. Crescent-shaped. 



Lunulate. 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, 



Mammillate. Furnished with nipple-shaped 

 processes, 



Marcesceni. 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 prothallimn; pollen-grain. 



Midvein, Midrib. The central vein or rib 

 of a leaf or other organ. 



Monadelphous. Stamens united by their 

 lilaments into one set. 



Moniliform. Like a string of beads. 



Monocephalous. Bearing only one head. 



Monocotyledonous (embryo). Having only 

 one cotyledon. 



Monoecious. Bearing stamens and pistils 

 on the same plant, but in different flow- 

 ers. 



Mucro. A short and small abrupt tip. 



Mucronate. With a short sharp abrupt 

 tip. 



Mucronulate. Diminutive of mucronate. 



Multicellular. Consisting of many cells. 



MuUifid. Cleft into many lobes or seg- 

 ments. 



Multilocular. Possessing many loculi or 

 cavities. 



Muricate. Roughened with short hard 

 processes. 



Muriculate. Very finely muricate. 



Muticous. Pointless, or blunt. 



Napiform. Turnip-shaped. 



Naturalized. PJants not indigenous to 



the region, but so firmly established as 



to have become part of the flora. 

 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 blacldsh. 

 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 apex. 



Obcordate. Inversely heart-shaped. 



Oblanceolate. Inverse of lanceolate. 



Oblong. Longer than broad, with the 

 sides nearly parallel, or somewhat 

 curving, 



Obovate. Inversely ovate. 



Obovoid. Inversely ovoid. 



Obpyramidal. Inverted pyramidal, i. c, 

 pyramidal with the base uppermost. 



Obsolete. Imperfectly developed or rudi- 

 mentary. 



Obtuse. Blunt, or roimded. 



Ochroleucous. Yellowish white. 



Ocrea. A sheathing stipule. 



Ocreaie. Having sheathing 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 elUptlc. 



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 Uke a hen's egg. 



Ovule. The macrosporange of flowering 

 plants, becoming the seed after fertiliza- 

 tion. 



Oauliferous. Bearing ovules. 



Palate. A rounded projection of the 

 lower Up of a personate corolla, closing 

 the throat. 



Palea (plural paleae). Chaff: the chaff 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 in Grasses. 



Pallid. Pale. 



Palmate. Diverging radiately like the 

 fingers. 



Palmately. In a palmate maimer. 



Panduriform. Same as fiddle-stiaped. 



Panicle. A compound fiower-cluster of 

 the racemose type. 



Panicled, Paniculate. Borne in a panicle; 

 resembling 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. 



Pappiferous. Pappus-bearing. 



Pappus. The modified calyx-Umb in 

 Composltae, forming a crown of very 

 various character at the summit of the 

 achene. 



Papyraceous. Having a papery texture. 



