VOCABULARY. 



163 



Si'ger. Black. 



NU'idus. Glossy, glittering. 



Niv'eus. Snow-white. 



Nod'ding. Partly drooping. 



Node, Nodus. Knot. 



No'men. A name. 



Notck'ed. SeaCrenate. 



Nu'deus. Nut, or kernel. 



Nu'dus. See Naked. 



Nut, Nux. See Nucleus. 



Nu'tant. See Nodding, Pendulous. 



O 



Ob. A word which, prefixed to other 

 terms, denotes the inversion of the 

 usual position ; as, obcordate, which 

 signifies inversely cordate. 



Obcon'ic. Conic with the point down- 

 wards. 



Ohcor'daie. Heart-shaped with the 

 point downwards. 



Oblaiice'olate. Lanceolate with the base 

 the narrowest. 



Oblique. A position between horizon- 

 tal and vertical. 



Oblong. Longer than oval, with the 

 sides parallel. 



Obo'vale. Ovate With the narrower end 

 towards thestem, orplace of insertion. 



Ob'solele. Indistinct, appearing as if 

 worn out. 



Obtuse. Blunt, rounded, not acute. 



Ochraxcous. Colour of yellow ochre. 



Odora'tus. Scented, odorous. 



Offi,cina'lis. ^uch plants as are kept for 

 sale as medicinal, or of use in the arts. 



Oid, Oi'des. This termination imports 

 resemblance, as petaloid, like a petal; 

 thalidroides, resembling a thalictrum, 

 &c. 



Opaque. Not transparent. 



Oper'cuhm. The lid which covers the 

 capsules of mosses. 



Opposite. Standing against each other 

 on opposite sides of the stem. 



Orbic'ular. Circular. 



Orchid'eous. Petals like the orchis, 

 four arched, the fifth longer. 



Ornithol'ogy. That department of zo- 

 ology which treats of birds. 



Os. A bone. A mouth. 



Os'seoiis. Bony, hard. 



D'vary. A name sometimes given to 

 the outer covering of the germ, be- 

 fore it ripens. 



Q'vaf£. Egg-shaped, oval v/ith the low- 

 er end largest. 



Ovip'arous. Animals produced from 

 eggs, as birds, 6oc. 



Ovules. Little eggs: the rudiments of 

 seeds which the germ contains be- 

 fore its fertilization; after which the 

 ovules ripen into seeds; 



O'vuM. An egg. 



Pal'ate. A prominence in the lower 

 lip of a labiate corolla, closing or 

 nearly closing the throat. 



Palca'ccous. See Chaffy. 



Pal'mate. Hand-shaped; divided ,'=•0 

 as to resemble the hand with the fin- 

 gers spread. 



Palus'tris. Growing in swamps and 

 marshes. 



Pan'lde. A loose, irregular bunch of 

 flowers with subdivided branches, 

 as the oat. 



Pan'ided. Bearing panicles. 



Panex'tern. The outer covering of the 

 pericarp. 



PaniiL'tern. The inner covering of the 

 pericarp. 



Papil'io. A butterfly. 



PapUiona'ccous. Butterfly-shaped,— an 

 irregular corolla consisting of four 

 petals; the upper one is called the 

 banner, the two side ones wings, and 

 the lower one the keel, as the pea. 

 Mostly found in the class Diadel- 

 phia. 



PapiVlose. Covered with prottiberan- 

 ces. 



Pappus. The down of seed, as the dan- 

 delion; a feathery appendage. See 

 Egret. 



Parisit'lc. Growing on another plant 

 and deriving nourishment from it. 



Paren' chyma. ' A succulent vegetable 

 substance; the cellular substance; 

 the thick part of leaves between the 

 opposite surfaces ; the pulpy part of 

 fruits, as in the apple, &c. 



Partial. Used in distinction to general. 



Parti'tion. The membrane which di- 

 vides pericarps into cells, called the 

 dissepiment. It is said to be parallel 

 when it unites with the valves where 

 they unite with each other. It is con- 

 trary or transverse when it meets a 

 valve in the middle or in any part not 

 at its suture. 



Parted. Deeply divided; more than 

 cleft. 



Patens. Spreading, forming less than a 

 right angle. 



Pau'ci. Few in number. 



Pcc'tinate. Like the teeth of a comb, 

 intermediate between fimbriate and 

 pinnatifid. 



Pedate. Having a central leaf or .seg- 

 ment and the two side ones which 

 are compound, like a bird's foot. 



Ped'icel. A little flower-stalk, or par- 

 , tialpeditncle. 



Pedun'cle. A stem bearing the flowei 

 and fruit. 



Pel'lide. A thin membranous coat. 



[ Pellu'cid. Transparent or limpid. 



