170 



INDEX AND GLOSSARY. 



Pectinate, combed, finely pinnatifid. 



Fedate. shaped like a bird's foot, 296. 



Pedicel, Peduncle, 343. 



.Peltate, shield-form, 295. 



Pendent, Pendulous, hanging, drooping. 



Penicillate, with a tuft of hairs, as if a 



camel's-hair pencil. 



Pente (in Greek composition), five ; as. 

 Pentamerous, 5-parted. 

 pentandrous. with 5 stamens, 118. 

 Pepo, a fruit like a melon, 161. 

 Perennial, living several years, 43. 

 Perfect flower, ( 2 ) with both stamen and 



pistil. 



Perfoliate, through the leaf, 311. 

 Peri (in Greek composition), around ; as, 

 Perianth, 53, 87 ; forms of, 99. 

 Pericarp, 146 : forms of, 150. 

 Perigynium, 107. 

 Ptrigynous, 96, 119. 

 Perixperm, same as Albumen, 179. 

 Persistent, remaining long in place, 109. 

 Personate, 103. 

 Petals, 52 ; forms of, 89. 

 Petaliferce, 511. 

 Petaloid, resembling petals. 

 Petiole, 274. Petiolate, 271. 

 Petiolule, 276. 

 Phcenogamia, 507. 

 Phyllodium (plural Phyllodia), 321. 

 Phyllotaxy, leaf-arrangement, 261. 

 Physics, 16. 

 Physiology, 436. 



Phytology (Greek, phytos, a plant), 23. 

 Pileorhiza, cap of a rootlet, 42S. 

 Pileus, cap of some Fungals. 

 Pilous, with erect, thin hairs, 313. 

 Pinnate, 302. Pinnatifid, 293. 

 Pistil, 56. 123. 



Pitchers (leaves). (See Ascidia, 322.) 

 Pilh, 406. Pitted cells, 376, 390. 

 Pitted, with depressions or excavations. 

 Placenta, 127 ; free axile, 135. 

 Plant defined. 14. 

 Plan of the Flower, 58. 

 Pleurenchyma, 389. 



Plicate, plaited lengthwise as a fan, 254, 340. 

 Plumous, feathery. 

 Plumule, a little plume, 31, ISO. 

 PoUen. Ill, 121. Pollen-tube. 45C. 

 Pollinia, masses of pollen, 122. 

 Poly (in Greek compounds), many; as, 

 Polyadelphous, 120. 



Polygamous, with some imperfect flowers. 

 Polypetalce. (See Dialypetahe, 513.) 

 Polypetalous, Polysepalous, 90. 

 Pome, a fruit like an apple, 162. 

 Posterior, next the axis. 

 Potato, manner of its growth, 238. 

 Precocious, flowering before the leaves. 

 Prcefoliation, vernation, 252. 

 Premorse, ending abruptly, 235. 

 Press for drying plants, 6. 

 Prickles, 403. * 

 Primine, same as Testa, 173. 

 ]*rimordial utricle, 373. 

 l*rismdtic, prism-shaped, having several 



parallel, longitudinal angles. 

 Procumbent (stem), 212. (Fi<r. 248.) 

 Produced, extended more than usual. 

 Proliferous, reproducing; as cymes from 



the midst of a cyme, flowers from the 



midst of a flower. 



Protein, 440. Protoplasm, 380. 

 Provinces, 509. 



Pruinous, powdered, as if frosted. 314. 

 Pruriens, causing an itching sensation. 

 Pseudo (in Greek composition), spurious. 

 Pubescent, downy with short, soft hairs. 

 Puberulent, minutely downy. 

 Pumilous (pumitus), dwarfed in size. 

 Punctate, seeming as if perforate, or marnerf 



with minute dots. 

 Pungent, piercing, sharp-pointed. 

 Putamen, the bony nucleus of a drupe. 

 Pyramidal, form of a cone or pyramid. 

 Pyriform, of the form of a pear. 

 Pyxis, a pericarp with a lid, 163. 



Quadri (in composition), four; as, 

 Ouadrifoliate, four-leaved. 

 Quadrangular, four-angled. 

 Quadrijugate, with four pairs of leaflets. 

 Quadrilateral, four-sided. 

 Quinque (in composition), five. 

 Quinate, growing in fives, 306. 

 Quincuncial, 339. (Fig. 300.) 

 Quintuple, five-fold. 



Race (Latin, stirps), a permanent variety, 



as Red-cabba<je. 

 Raceme, 358. 



Rachis, axis of the inflorescence, 301, 343. 

 Radiate, diverging from a common centre. 

 Radiate (in the Composites), the outer row 



of florets ligulate. (Fig. 388.) 

 Radiant, outer flowers enlarged (and often 



neutral, Fig. 271) : or (in the Composites), 



all the florets ligulate. 

 Radical, from the root, 262. 

 Radical (of the flower), 65. 

 Radicle, rootlet (of the embryo), 31, 180. 

 Rar.ial (of a branch), 262. 

 Ravhe (of the ovule or seed), 141. 

 Raphides, 383. 

 Rays, 359, 362. 



Receptacle, 57. (See Toms.) 

 Recurved, bent (not rolled) backward. 

 Refiexed, curved backward excessively. 

 Refracted, bent back suddenly as if broken. 

 Regma, fruit as of Geranium, 168. 

 Regular, like parts similar, 60, b. 

 Reniform, kidney-shaped, 295. 

 Repand (margin), 310. 

 Repent, creeping (sc. stems, 232). 

 Respiration, 482. 



Resupinate, reversed, upside down. 

 Reticulate, netted, 284. 

 Retrbrse, backward, downward. 

 Refuse (apex), 307. (Fig. 367, c.) 

 Revolute, rolled backward. 256. 

 Rhizoma, Rhizome, 230, 233. 

 Rhombic, Rhomboidal, in the figure of 



rhomb, or approaching it. 

 Ribs, the chief veins of a leaf, ridges, 

 Ringent (corolla). 103. 

 Root, 197. Root-stock. 233. 

 Rosaceous (corolla), 100. 

 Rostrate, beaked, with a beak. 

 Rosulate (leaves), arranged around the base 



of the stem, as the petal* of a Rose, 262. 

 Rotate, wheel-shaped, 102. 

 Rotation, circulation of fluids in the cell. 

 Rubicund, blushing, rosy red. 

 Rudiment, the beginning of a thing. 

 Rugous, wrinkled, 315. 



