Naked. Lacking organs or parts which are normally present in 



related species or genera. 

 Naturalized. Said of introduced plants which are reproducing 



by self-sown seeds. 

 Nectariferous. Producing nectar. 

 Node. The place upon a stem which normally bears a leaf or 



whorl of leaves. 



Nut. A hard and indehiscent, i-celled, i-seeded fruit. 

 Nutlet. A diminutive nut. 



Oblanceolate. Lanceolate, with the broadest part toward the 



apex. Page xn. 



Oblique. Slanting, or with unequal sides. 

 Oblong. Longer than broad, with sides approximately parallel. 



Page xir. 

 Obovate. Ovate, with the broadest part toward the apex. Page 



XII. 



Obovoid. An ovate solid with the broadest part toward the apex. 



Obtuse. Blunt or rounded at the apex. Page xn. 



Opaque. 'Dull; neither shining nor translucent. 



Opposite. Said of leaves, branches, buds, etc., on opposite sides 



of a stem at a node. 

 Orbicular. Circular. Page xn. 

 Oval. Broadly elliptical. Page xn. 



Ovary. The part of a pistil that contains the ovules. Page xm. 

 Ovate. Egg-shaped, with the broad end basal. Page xn. 

 Ovoid. Solid ovate or solid oval. 

 Ovule. The part of a flower which after fertilization becomes 



the seed. 



Palmate. Radiately lobed or divided; hand-shaped. 



Panicle. A loose, irregularly compound inflorescence with 

 pedicellate flowers. Page xiv. 



Paniculate. Arranged in panicles or resembling a panicle. 



Papilionaceous. Butterfly-like,, as in flowers of the Leguminosae. 



Pedicel. The stalk of a single flower in a compound inflore- 

 scence. 



Pedicellate. iBorne on a pedicel. 



Peduncle. A primary flower-stalk, supporting either a cluster or 

 a solitary flower. 



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