INDEX AND GLOSSARY. 



187 



Proliferous, reproducing, as cymes from 

 the midst of a cyme, flowers from the 

 midst of a flower. 



Protein, 744. Protoplasm, 744, 655. 



Protothallus, 629. 



Pruinous, powdered, as if frosted, 300. 



Pruriens, causing an itching sensation. 



Psoudo (in Greek composition), spurious. 



Pubescent, downy with short, soft hairs. 



Puberuleut, minutely downy, 297. 



Pumilus, pumilous, dwarfed in size. 



Punctate, seeming as if perforate, 682, or 

 marked 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, 570. 



Quadri (in composition), four ; as, 

 Quadrifoliate, four-leaved. 

 Quadrangular, four-angled. 

 Quadrijugate, with four pairs of leaflets. 

 Quadrilateral, four-sided. 

 Quinque (in composition), five. 

 Quinate, growing in fives, 292. 

 Quincuncial, 391. Fig. 248. 

 Quintuple, five-fold. 



Race (Latin, stirps), a permanent variety, 

 as red-cabbage. 



Raceme, 349. 



Rachis, axis of the inflorescence, 286, 330. 



Radiate, diverging from a common center. 



Radiate (in the Composites), the outer 

 row of florets ligulate. Fig. 170. 



Radiant, outer flowers enlarged (and often 

 neutral), Fig. 271 ; or (in the Compos- 

 ites), all the florets ligulate. 



Radical, from the root, 103. 



Radical of the flower, 408. 



Radicle, rootlet (of the embryo), 592. 



Ramial, of a branch, 221. 



Raphe (of the ovule or seed), 536. 



Raphides, 660. 



Receptacle, 331, 397, 443, 631. 



Recurved, bent (not rolled) backward. 



Reflexed, curved backward excessively. 



Refracted, bent suddenly as if broken. 



Regma, fruit as of Geranium, 577. 



Regular, like parts similar, 412. 



Reniform, kidney-shaped, 271. 



Repand (margin), 280. 

 , Repent, creeping. 



Respiration, 812. 



Resupinate, reversed, upside down. 



Reticulate, netted, 258. 



Retrorse, backwards, downwards. 



Retuse (apex), 284. Fig. 155, c. 



Revolute, rolled backwards, 213. 



Rhizoma, Rhizome, 1S3. 



Rhombic, RhomboidaL in the figure of a 



rhomb, or approaching it. 

 Ribs, the chief veins of a leaf, ridges. 

 Ring elastic (of the fern-sporange). Fig. 



489. 

 Ringent (corolla), 483. 

 Root, 114. Hoot-stock, 183. 

 Rosaceous (corolla), 491. 

 Rostrate, beaked, with a beak. 

 Rosulate (leaves), arranged around the 



base of the stem as rose-leaves. 

 Rotate, wheel-shaped, 475. 

 Rotation, circulation in the cell, 806. 

 Rubicund, blushing, rosy red. 

 Rudiment, the beginning of a thing. 

 Rugous, wrinkled, 295. 

 Ruminated (albumen), full of chinks as if 



composed of numerous folds. 

 Runcinate, hooded backwards, 269. 

 Runner, 160. 



Sagittate, arrow-shaped, 267. 



Salver-shaped. See Hypocrateriform, 480. 



Samara, 561. 



Sap, the crude, 494 ; the true, 496. 



Sarcoc'arp (of the drupe), 563. 



Scabrous, rough, 296. 



Scalariform (cells), ladder-shaped, 653. 



Scales, 435. Scale-stems, 169. 



Scandent, climbing. 



Scape, 329. Scarious, 295. 



Scattered, sometimes used for alternate. 



Scorpoid (inflorescence), 358. 



Scrobiculate, pitted, with littlo depres- 

 sions. 



Screw-pine, 136. 



Sea-green, light bluish green, glaucescent. 



Secund, all on one side, or turned one 

 way. 



Socundine, same as Tegmen, 535. 



Seed, 582. Seed coverings, 535. 



Seed, longevity of, 602 ; dispersion of, 

 604. 



Semi (in composition), half; as, 



Semicordate, half of cordate. 



Semilunar, half-moon-shaped. 



Semisagittate, and Semiterete. 



Sepals, 400. Sepaloid, sepal-like. 



Septum, a partition between two spaces. 



Septicidal (dehiscence), 550. 



Septifragal (dehiscence), 550. 



Sericeous, silky, 297. 



Serotinous, occuring late in the season. 



Serrate, Serrulate, 279. 



Sessile, sitting, not stalked, 239. 



Setae, 299, 487. Setaceous, bristlo-fosm, 



Setous, Setigerous, bearing bristles. 



Sheath, Sheathing, as the leaves of tha 

 grasses. 



Shrub, 95. 



Silique, 574. Silicle, 575. 



