426 



GLOSSARY. 



PaiUaceoics; chaffy ; of a chaffy texture, — 

 or famished with chaff-like scales. 



Palmate; hand-shaped; deeply divided, 

 ■with the segments neai-ly equal and 

 spreading like fingers on the open hand. 



Palmately veined,"" or cleft, — having the 

 veins or segments divergent, like the 

 spreading fingers of an open hand. 



Paiiduriforrii: fiddle-shaped ; oblong, with 

 the sides contracted, like a violin. " 



Panicle. A loose irregular compound ra 

 ceme, — in which the peduncles are un- 

 equally elongated and variously and ir- 

 regularly subdivided; as in Oats, &c. 



Panicled, or jxiiiiculate: disposed in the 

 form of a panicle. 



Pajjilionaceotts corolla. Butterfly-shaped; 

 when complete, consisting of 5 petals, — 

 the upper one (mostly largest 'i called the 

 vexiUum or banner,— the 2 latei-al ones 

 termed the alae or wings, — the 2 lower 

 ones more or less cohering by their lower 

 margins, and from their form, denomina- 

 ted the keel. 



Papillate, oy papillose: having the surface 

 covered with fleshy dots, or points, like 

 minute teats. 



Papjnix. The crown of the fruit,— being 

 the segments, or free portion of an adhe- 

 rent calyx, in the Compositj, and some 

 other plants.— usually hairy-like or plu- 

 mose, — sometimes in the form of minute 

 chaff or scales. 



Parasite. A plant growing on, or deriving 

 sustenance from, another" plant ; as Dod 

 der, Mistletoe, &e. 



Parasitic; being or relating to, a Parasite. 



Parenchyma. "The soft "spongy cellular 

 tissue (often green), which "forms the 

 pith of stems, the pulp of leaves and 

 young fruit, and fills the interstices of 

 woody or vascular fibres. 



Paries' (plural, paHetes^. The outside 

 wall, or enclosing shell, which circum- 

 scribes the cavity of a pericarp. 



Parietal; aflixed to, or belonging to, the 

 paries or outer wall of the s^ed-cell of a 

 pericarp. 



Parietal placentfe. When the placentas 

 are borne upon the loall", instead of the 

 axis, of the ovary or pericarp. 



Parted; divided deeply, almost to the 

 base. 



Partial; a term applied to constituent'por- 



tions of a compound whole. 

 Partition. See Dissepiment. 

 Patel rform ; in the form of little plates 



or dishes. 



Pectinate; finely, regularly and deeply 

 cleft, so as to resemble "the teeth of \ 

 comb. 



Pedat^. \ea.f. Like a bird's foot; divided 

 nearly to the petiole in naiTow segments, 

 with the lateral ones diverging. 



Pedicel. A partial peduncle": the ultimate 

 branch or division (next to the flower, or 

 fruit), in a compound inflorescence. 



Pedicellate: having, or being supported 



on a pedicel. 

 Peduncle; a simple flower stem ; also the 



common foot stalk of a compound inflo- 



resence. 



Pedun'-uhde: havinga peduncle; not sessile. 



Pellucid: transparent; pervious to light. 



PeUucid-pinicTate : having punctures 

 which permit light to pass tlirough. 



Peltate: likeashTeld: having the footstalk 

 aflixed to the under surface, and not to 

 the margin. 



Pencil-form: resembling a painter s pen- 

 cil or little brush. 



Pendulous: hanging down : attached at 

 one end, and swinging loosely. 



Pendul-oii^ ovules or seeds ; when their di- 

 rection is downwards. 



PeniciUate: tipped or tufted with hairs, 

 like a painter's pencil. 



Penni-nerted leaf. Having the lateral 

 nerves p^nnately arranged, or feather- 

 like. See Feather-reined. 



Pentagonal; having 5 angles or corners. 



Pcntdgi/nam: having 5 pistils. 



Pentdmfrous: composed of 5 parts. 



Pentdndrous; having 5 stamens. 



Pentajtefalous: having 5 petals. 



Penultimate: next to the last; the one 

 next to the terminal one. 



Pepo: an indehiscent, fleshy or internally 

 pulpy fruit, usually composed of 3 car- 

 pels invested by the calyx tube, and with 

 a firm rind ; as tiie Melon. <fec 



Percurrent; extending or running the 

 whole way through. 



P^wi;^/^//, ' living "more than two years, 

 and for an indefinite period. 



Perfect flower ; having both stamen and 

 pistil (1 or more of each u and prorluciiig 

 fruit. 



P. rfoliate: having the stem apparency 

 pierced through the leaf. 



Perianth: a term for the envelopes of a 

 flower, where the calyx and corolla are 

 not clearly distinguishable. 



Pericarp: the seed vessel, or fruit; the 

 ovary in a mature state. 



Perirjhniiim: a n.ime for the enveloi>e of 

 the flower, — said to be douJAevchaw there 

 is both calyx and corolla, but ofren used 

 synonymously with Pei iardh. which see. 



Perigynium: the sac (formed by the union 

 of 2 bractlets.i which encloses the ovary 

 of the Cai ices. 



Per'igunous petals and stamens. Inserted 

 on the calyx, — or rather adliering to the 

 inner surface of the ■ alyx tube. — .md 

 thus surrounding the pistils. 



Peripherical; fixed or coiled ronnd the 

 circumference, or periphery. 



Perviperm: a deposit in many seeds, .".flax- 

 ed to. or surrounding, the embryo— sy- 

 nonymous with uV umen — which see. " 



Peristome: the circle of teeth or bristle- 

 like processes which surround the orifice 

 of the Theca or capsule of the Mosses. 



