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GLOSSARY 



Lepidote. Beset with small scurfy scales. 



Ligulate. Furnished with a ligule. 



Ligule. A strap-shaped corolla, as in the ray- 

 flowers of CompoHitae; a thin often scarious 

 projection from the summit of the sheath in 

 Grasses. 



Limb. The expanded portion of a garaopetalous 

 corolla above the throat ; the expanded portion 

 of any petal, or of a leaf 



Linear. Long and narrow, with parallel margins. 



Lip. Each of the upper and lower divisions of a 

 bilabiate corolla or calyx ; the peculiar upper 

 (but by a twist of the pedicel apparently lower) 

 petal in Orchids. 



Lobe. Any segment of an organ, especially if 

 rounded. 



Lobed. Divided into or bearing lobes. 



-locular. In composition, having cells. 



LoeiUicidal. Dehiscent into the cavity ot a cell 

 through the dorsal suture. 



Lunate. Of the shape of a half-moon or crescent. 



Lyrate. Pinnatifid with a large and rounded 

 terminal lobe and with the lower lobes small. 



Macrosporangium. The receptacle in which 

 macrospores are developed. 



Macro.'ipore. The larger kind of spore in Sela- 

 gineUaceae, etc. 



Ma/pighiaeeous h airs. Hairs which are straight 

 and appressed but attached by the middle. 



Marcesceiit. Withering but persistent. 



Membranaceous, Ilembranoiis. Thin, rather 

 soft, and more or less translucent. 



Meniscoidal. Thin and concavo-convex, like 

 the crystal of a watch. 



Mericarp. One of the achene-llke carpels ol 

 UmhelUferae. 



jmeroiLH. Jn composition, having parts, as 

 2-merous, having two parts of each kind. 



Micropyle. The point upon the seed at which 

 was the orifice of the ovule. 



Wcrosporangium. The receptacle in which 

 microspores are developed. 



Microspore. The smaller kind of spore in Sela- 

 ginellaceae, etc. 



Midrib. The central or main rib of a leaf. 



Mitri/orm. Shaped like a mitre or cap. 



Monadelphous (stamens). United by their fila- 

 ments into a tube or column. 



Moniliform. Resembling a string of beads; 

 cylindrical with contractions at intervals. 



Monocotyledonous. Having but opf- ".otyledon. 



3fonoecious. With stamens and pistils in sepa- 

 rate flowers on the same plant. 

 Uucro. A short and small abrupt tip 



Mticronate. Tipped with a mucro, 



Muliifid. Cleft into many lobes or segments 



Muricate. Rough with short hard points. 



Muriculate. Yery finely muricate. 



Nectary. Any place or organ where nectar is 



secreted. 

 NectariferoxiH. Producing nectar. 

 Nerve. A simple or unbranched vein or slender 



rib. 

 Neuter, neutral. Without stamens or pistils 



Node. The place upon a stem which normally 



bears a leaf or whorl of leaves. 

 Nodose. Knotty or knobby. 

 Nodulose. Provided with little knots or knobs. 

 Nucleus. The germ-cell of the ovule, which by 



fertilization becomes the seed ; the kernel of a 



seed. 

 Nut. A hard indehiscent 1-celled and 1-seeded 



fruit, though usually resulting from a conb 



pound ovary. 

 Nutlet. A diminutive nut. 



Ob: A Latin prefix, usually carrying the idea 



of inversion. 

 Obcompressed. Compressed dorso-ventrally in- 

 stead of laterally. 

 Ohconically. Inversely conical, having the at- 

 tachment at the apex. 

 Obcordate. Inverted heart-shaped. 

 Oblauceolate. Lanceolate with the broadest 



part toward the apex. 

 Oblique. Unequal-sided or slanting. 

 Oblong, Longer than broad and with nearly 



parallel sides. 

 Obovate. Inverted ovate. 

 Obovoid. Having the form of an inverted egg. 

 Obsolescent. Becoming rudimentary. 

 Obsolete. Not evident ; rudimentarj'. 

 Obtuse. Blunt or rounded at the end. 

 Ochroleucous. Yellowish-white. 

 Ocrea. A legging-shaped or tubular stipule 

 Ocreate. Having sh-iihing stipules. 

 Officinal. Of the shops; used in medicine ot 



the arts. 

 Oospore. The fertilized nucleus or germ-cell oI 

 the archegonium in Cryptogams, from which 

 the new plant is directly developed. 

 Opaque. Dull ; neither shining nor translucent. 

 Operculate. Furnished with a lid. 

 Operculum. A lid; the upper portion of a 



circumscissile capsule. 

 Orbicular. Circular. 

 Orthotropous (ovule or seed). Erect, with the 



orifice or micropyle at the apex. 

 Ovary. The part of the pistil that contains the 



ovules. 

 Orate. Egg-shaped , having an outline like that 



of an egg. with the broader end downward. 

 Ovoid. A solid with an oval outline. 

 Ovule. The body which after fertilization be- 

 comes the seed. 

 Ovuliferous. Bearing ovules. 



Palate. A rounded projection oi the lower lip 



of a personate corolla, closing the throat. 

 Palea, Palet. The upper bract which with the 



lemma incloses the flower in Grasses. 

 Paleaceous. Chafiy 

 Paleophytot.ogical. Relating to the study ol 



fossil plants. 

 Palmate (leaf >: Eadiately lobed or divided. 

 Palmately. In a palmate manner. 

 Palustrine. Of or growing in marshes. 

 Pandurate, Pandtiriform. Fiddle-shaped. 

 Panicle. A loose irregularly compound inflO" 



rescence with pedicellate flowers. 



