in natural history, denotes a spangle or thin flake of any substance.

in botany, a thin leaf or plate of any folium florale, ranged by Linnaeus among the fulca of plants. These floral leaves differ in shape and colour from the other folia of the plant; are generally situated on the pedunculus, and often so near the corolla as to be easily mistaken for the calyx; than which, however, the bracteae are generally more permanent. Examples of the floral leaves are seen in the tilia, fumaria bulbosa, lavandula, and horominum.

BRACHTFARIA, in natural history, a genus of tales, composed of small plates in form of triangles, each plate either being very thin, or fissile into very thin ones.

Of this genus there are a great many species, called, from their different colours, mica aurea, or gold-glimmer; and mica argentea, silver-glimmer, or cats-silver, &c.