Anemia affinis Bak.

Anemia affinis Baker, in Hook. & Baker, Syn. Fil
ed. 2. 525. 1874.
Rhizome apparently horizontal ; fronds few, fasciculate, erect, the stipe of the fertile fronds scarcely exceeding the sterile fronds. Mature fertile fronds (including the greatly elongate fertile pinnae) 45-60 cm. long; stipe 28-38 cm. long, slender, subflexuous, stramineous, naked ; sterile lamina oblong-lanceolate, acutish, about 17 cm. long and 5.5 cm. broad, the rachis slender, flexuous ; pinnae about 8 pairs, approximate or mostly apart, spreading, inequilateral, oblong to oblong-oval, obliquely exciso-cuneate below at the base, obtusely truncate above, the apex obtuse, the margins with an occasional crenation, otherwise irregularly fimbriate-crenulate, scarcely thickened ; upper pinnae gradually smaller, the uppermost relatively narrower, very oblique, confluent at the slender apex ; leaf-tissue papyraceous, duU-greenish and hispid with very short brownish hairs above, below slightly paler, glabrate and very minutely glandular, appearing pustulate by the contraction of the veins in drying ; veins elevated above, scarcely so below ; fertile pinnae 18-23 cm. long, erect or ascending, surpassing the sterile lamina, the panicle laxly short-branched, nearly glabrous, much shorter than the slender subflexuous stalk. Sterile fronds similar but shorter, the stipe relatively much shorter.
Type locality : Sierra Madre of northwestern Mexico.
Distribution : Known only from, the original specimens {Seemann 1951).