GLOSSARY. 



401 



rolla ; also applied to one of the 



segments of an irregular perianth, 



when of a shape remarkably diffe- 

 rent from the rest, as in Orchids. 

 Lobe, a rounded projecting part of 



some organ. 



Lobed, divided into lobes. 

 Loose, having the separate parts 



arranged at some distance from 



each other upon a common axis. 

 Lurid, of a dingy brown ; grey with 



orange. 

 Lyrate, having several pairs of small 



lobes near the base, with deep 



sinuses bet ween them. 

 Marginal, placed upon, or attached 



to, the edge of any thing. 

 Mealy, covered with a scurfy pow- 

 der. 

 Membranaceous, Membranous, thin, 



and more or less transparent. 

 Mericarp, one of the carpels in the 



fruit of Urnbellifers. 

 Midrib, the principal nerve or vein, 



which runs from the base to the 



apex of a leaf. 

 Milk, an opaque white juice, found 



in many plants. 

 Monadelphous, having the filaments 



of the stamens all united in one 



set or bundle. 

 Monpchlamydeous, having only one 



whorl to the perianth. 

 Monocotyledons, plants whose seed? 



have only one cotyledon. 

 MonocotyledonouS) possessing but 



one cotyledon. 

 Monopetals,a, group of dicotyledons, 



in which the corolla is monopetal- 



ous. 

 Monoecious, bearing two kinds of 



unisexual flowers on the same 



individual plant. 



Monopetalous, having the corolla in 

 one piece which is formed by the 

 union of several petals. 



Mucronate, abruptly pointed by a 

 sharp spinous process. 



Multifid, having deep and numerous 

 subdivisions or laciniations. 



Muricated, rough, with short hard 

 tubercular excrescences. 



Nectariferous, possessing a nectary ; 

 also secreting nectar, that is, 

 a sweetish exudation, secreted by 

 glands in different parts of plants. 



Nectary, any supplementary organ 

 in the flower, whether glandular 

 or not, which cannot readily be 

 referred to the parts forming the 

 floral whorls; also certain parts 

 of the whorls themselves, of ano- 

 malous character, whether secret- 

 ing nectar or not. 



Nerves, the fibrous bundles extend- 

 ing through the leaves, often 

 ramified, like veins or nerves in 

 the animal structure. 



Nerveless, without nerves. 



Netted, resembling network. 



Nodding, having the summit so 

 much curved that the apex is 

 directed perpendicularly down- 

 wards. 



Node, one of the parts of the stem 

 from whence a leaf springs, espe- 

 cially when a little thickened or 

 swollen. 



Nodose, knotted. 



Nut, a hard mdehiscent pericarp. 



Ob, in composition signifies that the 

 point of attachment is at the oppo- 

 site extremity to where it occurs 

 in the form defined by the simple 

 word ; thus ob-clavate is the in- 

 verse of clavate, the attachment 



