440 GLOSSARY. 



Mosses. The second order of the class Cryptogamia. Small 



plants with lids on the capsules. 

 Mucronate. Having a small point projecting from an obtuse end- 

 Midtlpartile. Many parted. 

 Muricale. Covered with sharp spines or prickles. 

 Musci. See Mosses. 



N. 

 Nectariferous. Bearing honey. 

 Nectm-y. The part of the flower which produces honey. The 



term is also applied in certain instances to any internal, 



supernumerary part of the calyx or corolla. 

 Nerves. Parallel veins. 

 Nerved. Marked with nerves. 

 Nodding. Inclining to one side. Partly drooping. 

 Nucleus. The kernel or seed of a nut. 

 Nuculanium. A fruit like the grape, which differs from a berry 



in being superior. 

 Nut. A seed iiKilosed in a hard shell, 



O. 



Oh. A particle, which when prefixed to any other term, denotes 

 the inversion of the usual position ; as obovate, obcordate, 

 &c,, i. e., inversely ovate, inversely cordate, &c. 



Ohconic. Conic with the apex downward. 



Obcordate. Heart shaped with the point inward, or downward. 



Oblong. Longer than oval with the sides parallel. 



Obovate. Ovate, but inverted. 



Obsolete. Indistinct. Appearing as if worn out. 



Obtuse. Blunt, rounded, not acute. 



Ochroleucous. Whitish yellow. 



Octandrous. With eight stamens. 



Officinal. Kept for sale as medicinal. 



Opaque. Not transparent. 



Operculum. The lid which covers the capsules of mosses. 



Opposite. Standing directly against each other on opposite sides 

 of the stem ; as the leaves of Spigclia Marilandica. Med. 

 Bot. PL 14. 



Orbicular. Circular. 



