880 



GLOSSARY 



Lppidntc Beset with pinall scurfy scales. 



Lignlate. Furnished with a ligrule. 



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

 flowers of Compo'iitae ; 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 i>etal, 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. 



Lnculicidal. Dehiscent into the cavity of 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 \vith the lower lobes small. 



Macronporangitim. The receptacle in which 



macrospores are developed. 

 Macronpore. The larger kind of spore in Sela- 



(liiiellaceae, etc. 

 Jfd/pighiaceous hairs. Hairs which are straight 



and api)ressed but attached by the middle. 

 Mnrceffoent. Withering but persistent. 

 MemhranaceouH, Membranous. Thin, rather 



soft, and more or less translucent. 

 Meniscoidal. Thin and concavo-convex, like 



the crystal of a watch. 

 Mericarp. One of the achene-like carpels of 



Umbelliferae. 

 -merous. In 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. 

 Microsporangiuin. The receptacle in which 



microspores are developed. 

 MicroHpore. The smaller kind of spore in Sela- 



ginellaceae, etc. 

 Midrib. The central or main rib of a leaf. 

 Mitriform. Shajied like a mitre or cap. 

 3fon(tdelp?t,ouf< (stamens). United by their fila- 

 ments iBto a tube or column. 

 Mo7t inform. Resembling a string of beads; 



cylindrical with contractions at intervals. 

 Motiocfdyledonous. Having but one cotyledon. 

 Monoecious. With stamens and pistils in sepa- 

 rate flowers on the same plant. 

 Macro. A short and small abrupt tip. 

 Mucronate. Tipped with a mucro. 

 MuUifid. Cleft into many lobes or segments. 

 Muricate. Rough with short hard points. 

 Muriculate. Very finely muricate. 



Nectary. Any place or organ where nectar is 



secreted. 

 Nectariferous. Producing nectar. 

 Nerve. A simple or unbranched vein or slender 



rib. 

 Veuter, neutral. Without stamens or pistils. 



Node. The place upon a stem which nomtaUy 

 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 com- 

 pound ovarj'. 



Nutlet. A diminutive nut. 



Ob-. A Latin prefix, usually carrying the idea 

 of inversion. 



Obcompressed. Compressed dorso-ventrally in- 

 stead of laterally. 



Obamically. Inversely conical, having the at- 

 tachment at the apex. 



Obcordate. Inverted heart-shaped. 



Oblanceoldte. 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. 



Ohoroid. Having the form of an inverted egg. 



Obsolescent. Becoming rudimentary. 



Obsolete. Not evident; rudimentary. 



Obtuse. Blunt or rounded at the end. 



Ochroleucous. Yellowish- white. 



Ocrea. A legging-shaped or tubular stipule. 



Ocreate. Having sheathing stipules. 



Officinal. Of the shops ; used in medicine or 

 the arts. 



Oospore. The fertilized nucleus or germ-cell of 

 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 micropjie at the apex. 



Ovary. The part of the pistil that contains the 

 ovules. 



Ocate. Egg-shaped ; having an outline like that 

 of an egg. with the broader end downward. 



Ovoid. A solid with an oval outline. 



Otule. The body which after fertilization be 

 comes the seed. 



Ozuliferous. Bearing ovules. 



Palate. A rounded projection of 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. 

 Paleophytological. Relating to the study of 



fossil plants. 

 Palmate (leaf). Radiately lobed or divided. 

 Palmately . In a palmate manner. 

 Palustrine. Of or growing in marshes. 

 Paiidurate, Panduriform . Fiddle-shaped. 

 Panicle. A loose irregularly compound inflo* 



rescence with pedicellate flowers. 



