Page:An introduction to physiological and systematical botany (1st edition).djvu/202

 172 angles, as Iris tuberosa, ''Fl. Græc. t.'' 41.

Lingulatum, tongue-shaped, of a thick, oblong, blunt figure, generally cartilaginous at the edges, as Mesembryanthemum linguiforme, Dendrobium linguiforme, ''Exot. Bot. t. 11, and several species of Saxifraga, as S. mutata, Curt. Mag. t. 351, S. Cotyledon'', &c.

Membranaceum, membranous, of a thin and pliable texture, as in Aristolochia Sipho, t. 534, Rubus odoratus, t. 323, Magnolia purpurea, t. 390, &c.

Coriaceum, leathery, thick, tough and somewhat rigid, as Magnolia grandiflora, and Hydrangea hortensis, ''Sm. Ic. Pict. t. 12, Curt. Mag. t.'' 438.

Sempervirens, evergreen,permanent through one, two, or more winters, so that the branches are never stripped, as the Ivy, the Fir, the Cherry Laurel, the Bay, &c.

Deciduum, deciduous, falling off at the approach of winter, as in most European trees and shrubs.

Alienatum, alienated, when the first leaves of a plant give place to others totally different from them and from the