Petiolulate, said of a leaflet when raised on its own partial leaf-stalk.
Petræus, Latin for growing on rocks.
Phalanx, phalanges, bundles of stamens.
Phænogamous, or Phanerogamous, plants bearing flowers and producing seeds; same as Flowering Plants. Phænogams, Phanerogams, [10].
Phlœum, Greek name for bark, whence Endophlœum, inner bark, &c.
Phœniceous, deep red verging to scarlet.
Phycology, the botany of Algæ.
Phyllocladia, branches assuming the form and function of leaves.
Phyllodium (plural, phyllodia), a leaf where the seeming blade is a dilated petiole, as in New Holland Acacias, [61].
Phyllome, foliar parts, those answering to leaves in their nature.