Monographs Details: Mastigolejeunea
Authority: Britton, Nathaniel L. & Millspaugh, Charles F. 1920. The Bahama Flora.
Description:Description - to almost black, not glossy. Leaves complicate-bilobed, the dorsal lobe squarrose when moist, ligulate to ovate, entire or nearly so, the apex rounded to subacute, not reflexed; lobule normally inflated along the keel, the margin plane or involute, the apex represented by a more or less distinct tooth with a hyaline papilla at its proximal base; lobule often poorly developed, leaf-cells with distinct trigones. Underleaves more or less convex and often revolute along the sides, orbicular to obovate, undivided but sometimes retuse, entire. Antheridia borne singly in the axils of saccate bracts, the androecia long, sometimes proliferating; braeteoles everywhere present. Female inflorescence borne on an elongated branch, usually with but one snbfloral innovation; bracts unequally complicate-bilobed, without wings; bracteole similar to the underleaves. Perianth with sharp lateral keels and a single sharp ventral keel,
usually wingless. [Greek, whip-bearing Lejeunea.] About 50 species, mostly tropical. Type species: M. auriculata (Wils. & Hook.) Schiffn.