372 GLOSSAR-? . 



Membranous. Like a membrane — thin, rather soft and pliable. 



Mericarp. One of the two carpels that compose the fruit of an umbelliferous plant. 



Micropyle. The opening or orifice in the primary integuments of the ovule, and, 



later, the point in a seed which indicates the position of the original orifice. 

 Monadelphous . Applied to stamens united by their filaments into one set or cluster, 



thus forming a tube, usually sheathing the pistil. 

 Moniliform. Beaded ; much contracted at regular intervals. 

 MonoerAous. Having the male and female flowers distinct, but on the same tree. 

 Monogamous. Having flowers distinct from each other, not collected into a head : 



having flowers with the anthers united.' 

 Mucro. A short, straight, stiff, sharp point. 

 Mucronate. Applied to leaves having the midrib produced beyond the apex in the 



form of a small point. 

 Mucromdate. Slightly mucronate. 

 Multifid. Cut many times, so as to form several teeth. 



Muricate. Covered with protuberances, raised and pointed, but yet short and hard. 

 Muricatulate. Slightly muricate. 

 Muriculate. Minutely muricate. 



Naked. Applied to flowers having no perianth, and to seeds having no pericarp. 



Nectariferous. Honey-bearing. 



Node. The part of a stem or its branches from which leaves, branches, or leaf-buds 



are given off. 

 Nodose. Having swollen joints. 



Ohconic. Tapering downwards, when the transverse section shows a circle. 

 Obcordate. Applied to inverted heart-shaped leaves with a notch at the apex. 

 Oblaiiceolate. Lance-shaped, but tapering towards the base more than towards the 



apex. 

 Oblique. Unequal-sided. A term applied to leaves in which the development of 



tissue is greater on one side than on the other. 

 Obovate, Inversely ovate ; applied to leaves that are ovate in shape, but that have 



the broader part near the apex. 

 Obovoid. Egg-shaped, with the broad end upwards. 

 Obsolete. Imperfectly developed. 

 Obtuse. Blunt or rounded at the end. 

 Orbicular. Applied to a leaf with a circular outline. 

 Operculum. A lid, or lid-like part or organ. 



Ovary. The enlarged base of the pistil; the portion that contains the ovules. 

 Ovate. The shape of the longitudinal section of a hen's egg, applied to a leaf ; the 



base of the leaf is the broader part. 

 Ovule. A small body contained in the cell of the ovary, and ultimately forming the 



seed. 



Paleaceous. Of a chaffy consistence. 



Palmate. Applied to leaves when five lobes diverge from the same point ; compared 



to the fingers of the hand. 

 Panicle. A flower-cluster in which the axis is irregularly divided into branches 



bearing two or more flowers. 

 Papilionaceous. Butterfly-shaped; applied to flowers whose petals are the standard, 



or vexillum, which encloses the others in the bud, two lateral wings and two 



petals forming the carina or keel, opposite the standard, and more or less united. 

 Papillose. Pimply or warty. 



