GLOSSARY. 17 
Polyscpalous, same as the above when applied to the calyx. Opposed to Monosepalous, 
Porous, full of holes. 
- Prefloration, same as A2stwation, which see. 
Prefoliation, same as Vernation, which see. 
Premorse, ending abruptly (the root of plate 177). 
Prickles, short, angular thorns. (Plate 33, fig. 1.) 
Prismatic, having three or more angles bounding flat or hollowed sides. 
Process, a superficial projection. 
Procumbent, trailing upon the ground. 
Prostrate, \ying flat upon the ground. 
Puberulent, covered with an almost invisible down. 
Pubescent, downy. 
Pulverent, see Glaucous; or if the powder is only such in appearance. 
Punctate, see Perforate. 
Pyramidal, shaped like a pyramid. 
Pyrene, Pyrena, the nutlet, especially said of a drupe when small. 
Pyxis, Pyxidiim, a pod opening by acircumscissile line; the top falling off like a lid, (Plate 
108, fig. 3.) 
Quadri-, four; in Latin derivatives. 
Qudrangular, four-angled. 
Quadrifid, four-cleft. 
Quaternaie, in fours. 
Quinate, in fives. 
Raceme, where one-flowered pedicels are arranged in succession along a general peduncle. 
(Plate 11, fig. 1.) : 
Rachis, see Rhachis. - 
Radiate, pertaining to the ray. 
Radicle, the stem part of the embryo. 
Raphe, see Rhaphe. 
Ray, the marginal flowers of a composite head, especially when different from the rest, and 
diverging. The pedicels of an umbel (seen in the flowers of plate 84, and the umbel, 
plate 68). 
Receptacle, the support of a flower, 2. @., the thickened upper surface of the apex of the 
peduncle or pedicel (fig. 4, plate 1} particularly, however, the place of attachment of 
the flowers of a head. 
Recurved, curved outward or backwards (the styles, fig. 5, plate 130.) 
Reflexed, bent outward and downward. (Plate 134, fig. 3.) 
Regular, when the parts are all similar. 
Reniform, see Kidney-shaped., 
Repand, wavy-margined. (Leaves of plate 39.) 
Repandly-toothed, rounded-toothed (the margins ot the leaves, plate Ae 
Repent, creeping along the ground by successive rootings. 
Reticulated, formed into a net-work, or rather apres: as if coneted byan net. _ (Pate 99, i. 43 — 
plate 167, fig. 2.) 
Retroflexed, same as Reflexed, which see. 
Retuse, so blunt at the apex as 5 to be sseney indented. ae 
