xlii 
Phyllum, in composition, a leaf. 
Pinnate-—A compound leaf having a 
single row of lcaflets on each side of 
the petiole. 
Pinnatifid. — A simple leaf divided 
nearly to the midrib, that is to say, 
almost pinnate. 
Pinnules.—The primary divisions of a 
pinnate frond. 
Pistil.—The female organs of a flower, 
collectively : ovary, style, and stigma. 
Flacenta.—The process or body which 
bears the ovules. 
Plaited (plicate).— Folded in the manner 
of a closed fan. 
Plumose.—Feathery. 
Plumule.—tThe first or embryonic bud. 
Pollen.—The powdery substance con- 
tained in the anthers, which serves 
to fertilize the ovules. 
Poly-arpic.—¥ruiting more than once. 
Polygamous.—A term applied to those 
plants having male, female, and her- 
maphrodite flowers intermixed on 
the same individual. 
Precox.—F lowering early, 
Pratcnsis.—Growing in meadows. 
Procumbent.—Lying on the ground. 
Pulverulentus.— Covered with a pow- 
dery substance. 
Punclus,—Short and dense in habit. 
Putamen.—The hard part or shell of 
stono-fruit, like the Almond. 
Raveme.—A_ kind of inflorescence in 
which the pediccllate flowers are ay- 
ranged singly on a common peduncle. 
Ex. Ribes, Wallflower. 
Rachis.—The divisions of the petiole of 
a frond. 
Radical.—Proceeding from the root. 
ftudicle.—The first root of a young 
plant. 
Ramosus.—Much-branched. 
Peer ptacle,—The part bearing the florets 
in the Composite, or the parts of tho 
flower of any plant; but zorws is the 
word now gencrally employed to de- 
signate the latter. 
Reflewed.—Turned backwards. 
Regulur.—all the parts of each series 
of a flower alike, 
Glossary of Terms. 
Reniform.—Kidney-shaped in outline. 
Repens.—Creeping. 
- Reticulate.—Net-veined. 
Rhizome. — A creeping underground 
stem. 
Riparius.—Growing on the banks of 
streams or lakes. 
Rosulate—Disposed in the form of a 
rosette. 
Rotate.—In the form of a wheel. 
Ruher.—Red of any tint. 
Rudcralis.—Growing amongst rubbish. 
Rugose.—Wrinkled. 
ftupestris—Growing on rocks. 
Saivlusus.—Growing in sandy places. 
Sagittute—Shaped in the form of an 
arrow-head. 
Samara.—Applied to such winged in- 
dehiscent fruits as the Sycamore. 
Suvatilis.—Growing on rocks or stones. 
Scalur, scabrid.—Rough to the touch. 
Seandcns.—Climbing, 
Scape. — A radical, 
flower-stalk. 
Scarious.—Thin, dry and membranous. 
Seorpivid.—Rolled up, as the inflores- 
cence of many Borraginez. 
Secund.—Having all the flowers or 
Joaves turned in the same direction. 
Scmi, as a prefix, denotes half, partial, 
or one-sided. 
Semper virens.—Evergrecn. 
Septum.—The partition of an ovary or 
fruit. 
Septwidal (dehiscence). — Separating 
through the dissepiments. 
Sericeus.— Silky. 
Scrotinus.—Late. 
Serrate.—Saw-toothed. 
Sessile.—Stalkless. 
Sv taceus,—Bristly. 
Sorvate.—Having an uneven wavy mar- 
usually naked 
gin. 
Sinus.—The recesses of a lobed organ. 
Spadiv, — A tlower-spike usually cn- 
closed in a spathe. 
Spaihe.—A large leafy bract enclosing 
the inflorescence of most of tho 
Aroideze. 
Spathulate. — Oblong, tapering down- 
wards in a long narrow stalk. 
