GLOSSAKi. 



743 



Tntrorse. Turned inward or toward the axis. 

 [nvolucel. A secoudaiy iuvolucre, as that of 



an umbellet iu Uuibelliterse. 

 Inroiucellate. Having au involucel. 

 Incolucral. Belonging to an involucre. 

 Invoiucrate. Having an involucre. 

 (nvolucre. A circle or collection of bracts 



surrounding a flower cluster or head, or a 



single flower. 

 Involute. Rolled inward. 

 Irregular (flower). Showing inequality in 



the size, form, or union of its similar parts. 



Julaceous. 

 pearance. 



Resembling a catkin in ap- 



Keel. A central dorsal ridge, like the keel of 

 a boat; the two anterior united petals of a 

 papilionaceous flower. 



Kidney-shaped. Crescentic with the ends 

 broad and rounded ; reniform. 



Labiate. Lipped ; belonging to the Labiatse. 



Lacerate. Irregularly cleft as if torn. 



Laciniate. Slashed ; cut into narrow pointed 

 lobes. 



Lamella. A thin flat plate or laterally flat- 

 tened ridge. 



Lanceolate. Shaped like a lance-head, 

 broade.«t above the base and narrowed to 

 the apex. 



Lateral. Belonging to or borne on the side. 



Lax. Loose and slender. 



Leaflet. A single division of a compound 

 leaf. 



Legume. The fruit of the Leguminosas, 

 formed of a simple pistil and usually dehis- 

 cent by both sutures. 



Legtiminotis. Pertaining fo a legume or to 

 the Leguminosge. 



Lenticular. Lentil-shaped; of the shape of 

 a double-convex lens. 



Lepidote. Beset with small scurfy scales. 



Ligulate. Furnished with a ligule. 



Ligule. A strap-shaped corolla, as in the 

 ray-flowers of Conipositse : a thin scarious 

 projection from the summit of the sheath 

 in Grasses. 



Liliaceous. Lily-like ; belonging to the 

 Liliaceae. 



Limh. The expanded portion of a gamopet- 

 alous corolla, above the throat ; the ex- 

 panded portion of any petal, or of a leaf. 



Linear. Long and narrow, with pai-allel 

 margins. 



Lip. Each of the upper and lower divisions 

 of a bilabiate corolla or calyx ; the peculiar 

 upper petal in Orchids. 



tjohe. Any segment of an organ, especially.' 

 if rounded, 



Lobed. Divided into or bearing lobes. 



'lc:;'Klar. In composition, having cells. 



L(r;ul{cidnl. Dehi.<cent into the cavity of a 

 ce" through the dorsal suture 



Lunate. Of the shape of a halt-moon >r 



crescent. 

 Lunulate. Diminutive of Lunate. 

 Lyrate. Pinnutitid with a large and rounded 



terminal lobe, and the lower lobes small. 



Macrospore. The larger kind of spore in 

 Selagiuellaceae, etc. 



Marcescent. Withering but persistent. 



Marginal. Along or near the edge. 



Marginate. Furnished with a border pe- 

 culiar in texture or appearance. 



Mealy. Farinaceous. 



Membranaceous, Membranous. Thin and 

 rather soft and more or less translucent. 



Meniscoid. Concavo-convex. 



Mericarp. One of the achene-like carpels of 

 Umbelliferge. 



-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. 



Micros/Mre. The smaller kind of spore in 

 Selaginellaceas, etc. 



Midrib. The central or main rib of a leaf. 



Mitriform. Shaped like a mitre or cap. 



Monadelplwus (stamens). United by their 

 filaments into a tube or column. 



Moniliform. Resembling a string of beads; 

 cylindrical with contractions at intervals. 



Monocotyledonous. Having but one coty- 

 ledon. 



Monoecious. With stamens and pistils in 

 separate flowers on the same plant. 



Mucilaginous. i?limy ; con tain in u"- mucilage. 



Mucro. A short and small abrupt tip. 



Mucronate. Tipped with a mucro. 



Multifid. Cleft into many lobes or segments. 



Muricate. Rough with short hard points. 



Muriculate. Very finely muricate. 



Naked. Bare; without the usual covering or 



appendages. 

 Nectary. Any place or organ where nectar 



is secreted. 

 Nectariferous. Producing nectar. 

 Nerve. A simple or unbranched vein or 



slender rib. 

 Node. The place upon a stem which nor- 



mally bears a leaf or whorl of leaves. 

 Nodose. Knotty or knobby. 

 Nucleus. The germ-cell of the ovule, wliich 



by fertilization becomes the seed ; the ker 



nel of a seed. 

 Numerous. Indefinite in number. 

 Nut. A hard indehiscent 1-celled and 1- 



seeded fruit, though usually resulting from 



a compound ovary. 

 Nutlet. A diminutive nut. 



Ob: A Latin prefix, usually carrying the 



idea of inversion. 

 Ohrompre.'ised. Compressed dorso ventrally 



instead of lateralb'. 



