Forest Dana Fern

Danaea cuspidata Liebm. Vidensk. Selsk. Skr. V. 1 : 307. 1849
F
A tall, rather slender plant ; rhizome rather stout, the leaf-nodes close ; leaves up to 120 cm. long, the stipes 50-60 cm. long, with 1 or 2 nodes, dull-olive or flecked with small blackish appressed scales ; sterile lamina oblong or somewhat elliptic, 40-60 cm. long, up to 32 cm. broad, the rachis olive, sparsely scaly below, very narrowly winged in the upper half of the lamina ; pinnae mostly separated by at least their own width, distant below, 33-39, mostly at right angles to the rachis, slightly falcate, linear-oblong, up to 16 cm. long, and 1.7 cm. broad (the lower pinnae somewhat reduced and broader, the terminal pinna lanceolate), unequally diminishing at the base, the posterior portion longer and narrower, gradually curved to the midvein, the anterior portion more abruptly diminishing, varying from rounded on the lower pinnae to excavate on the upper ones, the apex acuminate, the margins revolute at the base, more or less revolute and repand along the sides, serrulate toward the apex ; midveins sparsely scaly, blackish, the veinlets forking or at least paired in origin, dark-colored, 18-20 per cm.
Type locality : Chinantla, Mexico. Distribution : Central America and Mexico.

Danaea jamaicensis Underw. Bull. Torrey Club 29 : 675. 1902
A rather small plant with slender, elongate pinnae ; rhizome rather slender, leafnodes close ; leaves 2 or 3, somewhat glossy, 40-75 cm. long, the stipes with 2 or 3 nodes, olive or sometimes reddish, finely mottled, channeled when dry, sparsely scaly when mature, the scales reddish-brown ; sterile lamina oblong to ovate, 27-55 cm. long, 12-21 cm. broad, the rachis green or red, flecked with scales, very narrowly winged ; pinnae elongateoblong, 7-14 cm. long, 1.5-2 cm. broad, usually oblique, curved, abruptly and unequally narrowed below, cuneate or somewhat rounded, acuminate above and strongly mucronateserrulate, the terminal pinna similar or lanceolate ; midveins sparsely scaly, the veinlets forking, 12-14 per cm.; sporophyls very much narrower than the sterile leaves, the pinnae 4-7 cm. long.
Type locality : Jamaica.
Distribution: Blue Mountains of Jamaica, at altitudes of 1300-1600 meters.