GLOSSARY 



before j poiw, I place. Loaves inserted in 



pairs on opposite sides of stem. (Plate 



XX X VII.) 

 Orbicular. (L.L. orbicularis; orbicultis, dim. of 

 bis, a circle.) Leaves nearly circular. 



(Plate I., Fig. G.) 

 Oval. (Ft. ovale; L.L. ovalis ; L. ovum, an egg.) 



In shape of an ellipse. (Plato I., Fig. E.) 

 Ovary. (L. ovum, an egg.) The lowest part of 



the | ■ i — i it containing the ovules. 

 Ovate. (L. ovatus, egg-shaped; ovum, an egg.) 



Egg-shaped. (Plate I., Fig. H.) 

 Ovule. (L.L. ovulum, dim. of ovum, an egg.) 



The .s.rd of a plant in its rudimentary state, 



growing from the placenta. 



scale. 



ne 



scale which hoars the 



Ovuliferous 

 ovule. 



Palea. (L. palea, chad'.) The inner scale-like 

 glume of grasses. 



Palmate. (L. palmatus; palma, the palm of the 

 hand.) A leaf with divisions spreading out 

 like an open hand. 



Panicle. (L. panicula, double dim. of partus, 

 thread wound on a bobbin) = A tuft on 

 plants. A raceme in which the branches 

 are themselves branched. (Plate II. , Fig. B.) 



Papilionaceous. (L. papilio, -onis, a butterfly) 

 = Butterfly-shaped. A blossom consisting of 

 five petals ; one large posterior petal called 

 the standard or vexillum, two anterior petals 

 forming the keel, and two lateral called the 

 wings. (Plate XIIL, Fig. B.) 



Pappus. (L. pappus, thistledown; Gr. pappos, 

 down.) A calyx in which the sepals are 

 converted into numerous hairs surrounding 

 the ovary. (Plate III., Fig. 2.) 



Paraphysis. (Gr. paraphysis, an offshoot ; para, 

 beside; phyllon, a leaf.) An erect sterile 

 filament accompanying the sexual organs. 



Parietal. (L.L. parietalis ; L. paries, parietis, a 

 wall.) The attachment of ovules to the walls 

 of the ovary. 



Paripinnate. (L. par, equal ; pinnatus, from 

 pinna ( = penna), a feather.) A leaf with an 

 equal number of lobes arranged in pairs on 

 opposite sides of the central stalk. 



Patens, Patent. (L. patens,, -entis, pr.p. of patere, 

 to lie open.) Spreading widely open, or 

 diverging from an axis. 



Pectinate. (L. pectinatus ; pecten, a comb ; peeto, 

 I • .mm, to comb.) Comb-like. 



Pedate. (L. pedatus, p.p. of pedo, to furnish with 



feet ; pes, pedis, a foot.) A palmate leaf with 



the lobes deeply divided. 

 Pedicel. (L. pedtadus, dim. of pes, pedis, a foot.) 



The flower-stalk connecting the flower with 



the peduncle. 

 Pedicellate. (L. pedirulux, dim. of pes, pedis, a 



foot.) On a little stalk. 

 Peduncle. (L.L. pedv/nculus, dim. of pes, pedis, a 



foot.) The stalk upon which the flowers are 



borne. 

 Pedunculate. Having a stalk. 

 Peltate. (L. peltatus, armed with a shield ; pelta ; 



Gr. pelte, a small half-moon shield.) Having 



a stalk in the middle of the lower surface. 

 Perfect. (L. perfectus, p.p. of perjkio; per, 



thoroughly ; facio, I do) = Complete. Flowers 



having both stamens and pistil. 

 Perianth. (Gr. peri, around; anthos, a flower.) 



Applied to the calyx and corolla when they 



are alike in appearance, especially in Mono- 

 cotyledons. 

 Pericarp. (Gr. perikarpion ; peri, around ; karpos, 



fruit.) The outer layer, covering, shell, or 



rind of fruits. 

 Peridium. (Gr. peridion, dim. of pera, a wallet.) 



The outer coat or coats of a fungus, forming 



an investment of the fructification. 

 Perigynous. (<!r. peri, around; gyne, a female.) 



Petals or stamens attached round the ovary. 



(Plate IX., Fig. D.) 

 Perithecium. (Gr. peri, around; tjieke, cover.) 



A narrow-mouthed receptacle containing the 



fructification. 

 Persistent. (L. persistans, pr.p. of persisto ; per, 



through ; sistq, I cause to stand ; sto, to 



stand.) Remaining beyond the usual time, 



as when a calyx remains after fruiting. 

 Petal. (Gr. petdlon, a leaf ; neuter of petalos, 



spread out) = A flower-leaf. A separate 



part of the corolla. 

 Petaloid. (Gr. petalodes ; petalon, a leaf ; eidos, 



form.) Having the form or colour of petals ; 



often applied to a division of the perianth. 

 Petiolate. A leaf having a blade and petiole 



present. 

 Petiole. (L. petiolus, a little foot; a fruit- stal k ; 



dim. of pes, pedis, a foot.) The foot-stalk of a 



leaf. 

 Pilose. (L. pilosus, pilus, a hair.) Softly hairy. 

 Pinnate. (L. pinnatus, from pinna ( =penna), a 



feather.) A leaf with the leaflets arranged 



in pairs, like the barbs of a feather. 



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