

XX 



GLOSSARY 



Poluadcluhous, having the filaments uni- Quadrangular, four-angled 



ted in 3 or oio ro sets, or parcels. 

 Polyaridrous, having more than ten hypo- 



gynous stamens. 

 Polygamous, having some flowers perfect, 

 and others either staminate, pistil- 

 late, or neuter. 

 Polymorphous, variable; assuming many 



different forms. 

 Polypctulous, having many petals ; some- 

 times applied to all .lowers of more 

 than one petal. 



Polysepalous, having many sepals ; or 

 more than one. 



Pome, an apple ; a succulent or fleshy 

 fruit, formed of several cartilaginous 

 carpels which are inferior,— or grow- 

 ing to, and imbedded in, the thicken- 

 ed calyx. 



Porous, full of holes, cells, or tubular 

 openings. 



Pmmorsc, end-bitten; ending blunt, as 

 if bitten off. 



Prickle, a sharp process arising from the 

 bark, only,— and not originating in 

 the wood. . . , r 



P.imary, first in a series, in order of 

 time, or In importance ; opposed to 

 secondary. 



Primordial, first in order ; usually np 

 plied to the first leaves,— or those 

 which are next above the cotyledons, 

 or seminal leaves. 



Prismatic, like a prism; having several 

 angles, and intermediate flat faces. 



Process, a protuberance, eminence, or 

 projecting part • 



Procumbent, ly i nir on the ground, with- 

 out patting forth roots. 



Produced, extended, or lengthened out. 



Proliferous, putting forth a young and 

 unusual accessory growth, from the 

 summit or centre of a branch, umbel, 

 flower, <Scc. 



Prostrate, lying flat, or close on the 



cround. 

 Pruinose, covered with a glaucous mea- 

 liness, like a plant. 



Pseudo-pinnate, falsely or imperfectly 

 pinnate ; the leaflets confluent, or 

 not articulated at base. 



Puberulent, covered with a minute, or 

 very short, fine, pubescence. 



Pubescence, a general term for the hairy 

 covering of plants. 



Pubescent, having some sort of pubes- 

 cence, or hairy covering. 



Pulp, a soft fleshy or juicy mass. 



Pulverulent* dusty; composed of, or cov- 

 ered with, a fine powder. 



Punctate, appearing as if pricked full of 

 small holes, or covered with indented 

 points. 



Puncticulate, having very minute punc- 

 tures, or indented points. 



Pungent, sharp-pointed, or prickly at 

 apex ; also acrid. 



Pyramidal, tapering upwards; usually 

 applied to 4-sided solids which di- 

 minish to the apex. 

 Pyri/orm, shaped like a pear ; largest at 

 the end. 



Quodr\fariou8, In 4 rows, or directions ; 

 facing or pointing 4 ways. 



Quadriful, four-clelt. 



Uuutu/uite, four together; arranged In 

 lours. 



Quinatc, five together; arranged in fives. 



Raceme, a mode of flowering in which the 

 common peduncle is elongated, with 

 the flowers on short lateral simple 

 pedicels. 



Racemose, having the flowers inracemes. 



Rachis, the common peduncle, or elonga- 

 ted receptacle, on which florets are 

 collected in a spike ; also the mid- 

 rib of a pinnatisect frond. 



Radiate, having rays, or spreading ligu- 

 late florets, at the circumference. 



Radial\form, applied to heads of com - 

 pound flowers in which all the florets 

 are llgulate, and directed towards the 

 circumference) like rays. 



Radical, belonging to, or trowing imme- 

 diately from, the root.' 



Radicating, sending out roots, or striking 

 root. 



Radicle, a little root; the slender fibrous 

 branch of a root. 



Ramification, the branching or division of 

 an orpin Into several parts. 



Ramose, Branching. 



Rank, a row, or arrangement in a line. 



Rays, the spreading liAilatc florets round 

 the margin of a com|>ound flower; 

 also, the footstalks, and marginal 

 flowers, of an umbel. 



Receptacle, the apex of the peduncle (often 

 dilated), on which the parts of a flower 

 are inserted. 



Recurred, curved backwards. 



Rcjlcxcd, bent or doubled backwards, so 

 as nearly or quite to touch the part 

 which supports it. 



Regular, having similar parts equal 

 among themselves ; as the lobes of a 

 corolla, &c. 



Remote, seated or growing at an unusual 

 distance. 



Reniform, kidney-shaped ; wider than 

 lung, very oi tuse or rounded at apex, 

 and cordate at base. 



Repand, having the margin slightly in- 

 dented with shallow sinuses,-- as if cut 

 out by segments of circles. 



Replicate, folded back on itself. 



Resupinate, turned up-side down. 



Reticulate, netted ; having veins or nerves 

 crossing each other, or branching 

 and reuniting, like net-work. 



Retrorse. or Retrorsely, pointing back- 

 wards, or downwards. 



Refuse, having a shallow sinus at the end. 



Revolute, rolled backwards, or outwards. 



Rliizoma, a root-stock ;— or root-like sub- 

 terraneous stem. 



Rhomboid, rhomb-shaped; having 4 sides, 

 with unequal angles. 



Ribbed, having ribs, or parallel ridges. 



Ribs, parallel ridges, or nerves. 



Rigid, stiff, inflexible, or not pliable. 



Ringent, gaping, or grinning, with an 

 open throat. 



