880 



GLOSSARY 



Lepidote. Beset with small scurfy scales. 



Ligulate. Furnished with a ligule. 



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

 flowers of Compositae ; a thin often scarious 

 projection from the summit of the sheath in 

 Grasses. 



Limb. The expanded portion of a gamopetalous 

 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. 



Loculicidal. Dehiscent into the cavity of a cell 

 through the dorsal suture. 



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



Lyrate. Pinnatifld with a large and rounded 

 terminal lobe and with the lower lobes small. 



Macrosporangium. The receptacle in which 



macrospores are developed. 

 Macrospore. The larger kind of spore in Sela- 



ijineltacfae, etc. 

 Italpighiateous hairs. Hairs which are straight 



and appressed but attached by the middle. 

 Marceticent. Withering but persistent. 

 Membranaceous, Membranous. Thin, rather 



soft, and more or less translucent. 

 Jfeniicoidal. 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. 

 Microsporangium. The receptacle In which 



microspores are developed. 

 Microsport. 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. 

 Moiiadelptious (stamens). United by their fila- 

 ments into a tube or column. 

 Man iliform. Resembling a string of beads; 



cylindrical with contractions at intervals. 

 Monocolyledonou*. Having but one cotyledon. 

 Monoecious. With stamens and pistils in sepa- 

 rate flowers on the same plant. 

 Mncro. A short and small abrupt tip. 

 .Vucronate. Tipped with a inucro. 

 Miillifid. 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. 

 N*re. A simple or unbranched vein or slender 



rib. 

 Veuttr, 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-seeJed 

 fruit, though usually resulting from a com- 

 pound ovary. 



Nutlet. A diminutive nut. 



Ob-. A Latin prefix, usually carrying the idea 



of inversion. 



Obcompre#sed. Compressed dorso-ventrally in- 

 stead of laterally. 

 Obconically. Inversely conical, having the at 



tachment at the apex. 

 Obcordate. Inverted heart-shaped. 

 Oblanceolate. Lanceolate with the broadest 



part toward the apex. 

 Oblique,. Unequal-sided or slanting. 

 Oblong. Longer than broad and with nearly 



parallel sides. 

 Obotaie. Inverted ovate. 

 Obotoid. Having the form of an inverted egg. 

 Obsolescent. Becoming rudimentary. 

 Obsolete. Kot evident ; rudimentary. 

 Obtuse. Blunt or rounded at the end. 

 Ochroleucous. Yellowish-white. 

 Ocretj. A legging-shaped or tubular stipule. 

 Oereate. Having sheathing stipules. 

 Officinal. Of the shops; used in medicine or 



the arts. 

 Oospore. The fertilized nucleus or germ-cell of 



the archegoniuin in Cryptogams, from which 



the new plant is directly developed. 

 Opaque. Dull; neither shining nor translucent. 

 Operculate. Furnished with a lid. 

 Opereulum. A lid; the upper portion of 



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. 

 Ovate. Egg-shaped ; having an outline like that 



of an egg, with the broader end downward. 

 Ovoid. A solid with an oval outline. 

 Orule. The body which after fertilization be 



comes the seed. 

 Ovuliferoua. Bearing ovules. 



Palate. A rounded projection of the lower lip 

 of a personate corolla, closing the throat. 



Palea, Palel. The upper bract which with the 

 lemma Incloses the flower in Grasses. 



Paleaceous. Chaffy. 



Paleopfiytological. Relating to the study ol 

 fossil plants. 



Palmate (leaf). Radiately lobed or divided. 



Palmately. In a palmate manner. 



Palustrine. Of or growing in marshes. 



Pdndurate, Panduriform. Fiddle-shaped. 



Panicle. A loose irregularly compound inflo- 

 rescence with pedicellate flowers. 



