Papery, of about the consistence of letter-paper.
Papilionaceous, butterfly-shaped; applied to such a corolla as that of the Pea, [91].
Papilla (plural papillæ), little nipple-shaped protuberances.
Papillate, Papillose, covered with papillæ.
Pappus, thistle-down. The down crowning the achenium of the Thistle, Groundsel, &c., and whatever in Compositæ answers to calyx, whether hairs, teeth, or scales, [121].
Papyraceous, like parchment in texture.
Parallel-veined or nerved (leaves), [50].
Paraphyses, jointed filaments mixed with the antheridia of Mosses.
Parasitic, living as a parasite, i. e. on another plant or animal, [37].
Parenchemytous, composed of parenchyma.