PAP 203 



Nu'dus. See Naked. 



Nut, Nux. See Nucleus. 



Nu'tant. See Nodding, Pendulous. 



O. 



Ob, A word which, prefixed to ether terms, denotes the in rersioa of 



the usual position ; as obcordate, inversely cordate. 

 Obcon'ic. * Conic with the point downwards. 

 Obcor'date. Heart-shaped with the point downwards. 

 Oblance' olate . Lanceolate with the base the narrowest. 

 Obli'que. A position between horizontal and vertical. 

 Oblong. Longer than oval, with the sides parallel. 

 Obo'vale. Ovate with the narrowest end towards the stem, or place of 



insertion. 



Obsolete. Indistinct, appearing as if worn out. 

 Obtu'se. Blunt, rounded, not acute. 

 Odora'tus. Scented, odorous. 

 Officinalis. Such plants as are kept for sale as medicinal, or of use in 



the arts. 

 Old, Oi'des. This termination imports resemblance, as petaloid, like 



a petal ; thaliatroides, resembling a thalictrum, &c. 

 Opa'que. Not transparent. 



Qper'culum. The lid which covers the capsules of mosses. 

 Opposite. Standing against each other on opposite sides of the stem. 

 Orlic'ular. Circular. 



Orcfiid'eous. Petals like the orchis, four-arched ; the fifth longer. 

 Ornithology. That department of zoology which treats of birds. 

 Os. A bone. A mouth. 

 Os'seout. Bony, hard. 

 O'vary. A name sometimes given to the outer covering of the germ, 



before it ripens. 



O'vate. Egg-shaped, oval, with the lower end largest. 

 Ovip'arous. Animals produced from eggs, as birds, &c. 

 O'vulcs. Little p-ffs; the rudiments of seeds which the germ contains 



before its fertilization ; after that the ovules ripen into seeds. 

 Ovum. An egg. 



P. 



Palate. A prominence in the lower lip of a labiate corolla, closing or 



nearly closing the throat. 

 Palca'ceous. See Chaffy. 

 Palmate. Hand-shaped; divided so as to resemble the hand with tn? 



fingers spread. 



Pains' tr is. Growing in swamps and marshes. 

 Pandu'riform. Contracted in the middle like a violin or guitar. 

 Pan'icle. A loose, irregular bunch of flowers, with sub-divided 



branches, as the oat. 

 Pan'clcd 1 . Bearing panicles. 

 Papil'io. A butterfly. 

 PttpUiova'ceous. Butterfly-shaped an irregular corolla consisting of 



four petals ; the upper one is called the banner, trie two side ones 



