426 



VOCABULARY. 



O. the keel as the pea. Mostly found in 



the class Diadelphia. 

 Ob. A word which, prefixed to other Papil'lose. Covered with protuberances. 



terms, denotes the invention of the usual 

 position ; as, obcordate, inversely cor- 

 date. 



Pappus. The down of seeds, as the dan- 



Obcon'ic. 

 wards. 



Conic with the point down- 



Obcor'date. Heart-shaped with the point 



downwards. 

 Oblance'olatr. Lanceolate with the base 



the narrowest. 

 Obli'que. A position between horizontal 



and vertical. 

 Oblong. Longer than oval, with the sides 



parallel. 

 Obo'vate. Ovate with the narrowest end 



towards the stem, or place of insertion. 

 Ob'solete. Indistinct, appearing as if worn 



out. 



Obtu'se. Blunt, rounded, not acute. 

 Odora'tus. Scented, odorous. 

 Officina'lis. Such plants as are kept for 



sale as medicinal, or of use in the arts. 

 Old, Oi'dr.s. This termination imports re- Pau'ci. Few in number. 



Parasit'ic. Growing on another plant and 

 deriving nourishment from it. 



Parcri chyma. A succulent vegetable sub- 

 stance ; the cellular substance ; the thick 

 part of leaves between the opposite sur 

 faces ; the pulpy part of fruits, as in the 

 apple, &.c. 



Partial. Used in distinction to general. 



Parti'tin. The membrane \vliiili <li\id<> 

 pericarps into cells, called the dissepi- 

 ment. It is parallel when it unites with 

 the valves where they unite with each 

 other. It is contrary 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. 



semblance, aspetaloid, like a petal ; tka 

 lictroides, resembling a thalictrum, &c. 

 Opa'yuc. Not transparent. 



capsules of mosses. 

 Opposite. Standing against each other on 



opposite sides of the stem. 

 Orbic'vlar. Circular. 



gy which treats of birds. 

 O*. A bone. A mouth. 

 Os'seous. Bony, hard. 



ripens. 



O'vate. Egg shaped, oval with the lower Peregri'nus. Foreign, wandering. 



end largest 



as birds, &c. 

 O'vules. Little eggs ; the rudiments of 



fertilization ; after that the ovules ripen 

 into seeds. 

 o'ricin. An egg. 



P. 



Pal"ate. A prominence in the lower lip 

 of a labiate corolla, closing or nearly 



clo.-iiii: t!i' throat. 

 Paleaceous. See Chaffy. 



Pal' male. Hand-shaped; divided so as to 



re-emble the 



spread. 

 Pakuftri*. Growing in swamps 



marshes. 



delion; a feathery 

 Bgret. 



appendage. See 



Pec'tinate. Like the ie, tii of a comb, in- 

 termediate between firnbriate and pinna 

 tifid. 

 Oper culum. The lid which covers the Pedate. Having a central leaf or segment 



and the two side ones which are com- 

 pound, like a bird's foot. 



Ped'icel. 

 cle. 



A little stalk of partial pedun- 



Orchld'eoua. Petals like the orchis, fonr Pedun'ele. A stem bearing the flower and 



arched, the fifth longer. fruit. 



Ornithology. That department of zoolo- Pd'licle. A thin membranous coat. 



Pellucid. Transparent or limpid. 

 Peltate. Having the petiole attached to 

 some part of the under sidi- of the leaf. 



O'vary. A name sometimes given to the Pendant. Hanging down, pendulous, 

 outer covering of the germ, before it Pen'cUled. Shaped like a painter's pencil 



or brush. 



Peren'nial. Lasting more than two years. 



Ovip'arous. Animals produced from eggs, Perfo'liate. Having a stem running 



through the leaf ; differs from connate 

 in not consisting of two leaves. 



seeds which the perm contains before its Per 'forate. Havin holes as if prickr-d 



throiiL'h : differs from punctate, which 



has dots resembling huh.-.. 

 Pe'ri. Around. 

 Per'ianth. A sort of calyx. 

 Per'icarp. (From peri, around, and kar 



pos, fruit.) A seed vessel or whatever 



contains the seed. 

 /'(//V//;(,,;/x. From peri, around, and gy- 



nia, pistil. 

 Pe'rispcrm. (From peri, around, and spcr- 



ma, seed.) Around the >eed. 



hand with the fingers Permanent. Any part of a plant is said 

 to be permanent when it remains longer 

 than is usual for similar parts in most 

 plants. 



and 



Paiidu'riform. Contracted in the middle Persis'tcnt. Not falling off. See Perma- 



Jike a violin or guitar. 

 Pan'i 7r. A loose, irregular 



nent. 

 bunch of Pcr'sonate. 



the oat. 



Pan'icled. Bearing panicles. 



Papil'io. A butterfly. 



Papilionaceous. Butterfly-shaped, an ir- 

 regular corolla consisting of four petals ; 

 the upper one is caUed the banner, the 

 two side ones wings, and the lower one 



Masked or closed. 



flowers with sub-divided branches, as Pe'tal. The leaf of a corolla, usually 



coloured. 



Pe'tiole. The stalk which supports th<; 

 leaf. 



Phenog'amous. Such flowers as have sta- 

 mens and pistils visible, including all 

 plants except the cryptogamous. 



