Anemia underwoodiana Maxon

Anemia underwoodiana Maxon, sp. nov
Rhizome relatively small, erect, the fronds few and closely clustered, the stipe of the fertile fronds equaling or scarcely equaling the sterile fronds. Fertile fronds 20-35 cm. long ; stipe 12-18 cm. long, rusty fibrillose-pilose, thickly so at first, stramineous, darker at the base, sulcate; sterile lamina deltoid to broadly ovate-deltoid, 7-16 cm. long, 7-14 cm. broad, simply pinnate, acuminate, the rachis compressed and densely rusty-pilose; pinnae 3-7 pairs, approximate, contiguous or somewhat imbricate, ascending or the lowermost spreading, these the largest, sessile, oblong-lanceolate, attenuate, subequally and broadly cuneate or sometimes slightly rounded at the upper side ; upper pinnae gradually shorter, more narrowly cuneate, essentially equilateral, lanceolate, the uppermost 2 or 3 usually confluent, forming a deeply lobed or parted acuminate terminal segment ; leaf -tissue papyraceo-membranous, livid-green and lustrous above, a little paler below, pellucid, minutely glandular below, rusty pilose-scabrous upon both surfaces, mainly along the veins and nearly median midvein ; veins elevated above, apparent below, close, very oblique, repeatedly dichotomous, mostly free, casually connivent; margins unevenly crenulateundulate, slightly thickened; fertile pinnae 14-18 cm. long, equaling or slightly exceeding the sterile lamina, the panicle nearly as long as the slender rusty-pilose stalk, the divisions short, the basal ones distant; spores striate, echinulate. Sterile fronds shorter than the fertile, otherwise similar, the lamina and the stipe about equal in length.
Type collected near Castleton, Jamaica, altitude about 150 meters, April, 1903, Underwood 1971 (herb. N. y. Bot. Gard.).
Distribution: Jamaica, Cuba, and Haiti, common, from near sea level up to 900 meters or more.