Folia sterilia 40-50 cm longae, 13-18 cm latae, ad apices prolificantia; petiolus 1-2-nodosis; pinnae 10-12-jugae, late oblanceolatae, usque ad 11 cm longae et 2.8 cm latae, ad apicem acuminatae et serratae abrupte terminantes; venae plerumque simplices, autem interdum geminae vel 1-furcatae. Pinnae fertiles cerca 12-jugae, usque ad 8 cm longae et 1 cm latae, ad apicem obtusae. Sterile leaves 40-50 cm long, 13-18 cm broad, apical segment replaced by a proliferous bud; petiole with 1-2 nodes, moderately to abundantly scaly; rachis narrowly alate; pinnae 10-12 pairs, mostly short-stalked, oblong to (more commonly) broadly oblanceolate, larger ones 7-11 cm long and 2-2.8 cm broad, inequilateral at base, narrow and rounded to cordate basiscopically, broader and cuneate acroscopically, terminating abruptly in an acuminate and serrate apex, abaxial surface amply provided with minute, dark brown scales; veins commonly simple, but sometimes paired at origin or forked. Fertile pinnae 12-14 pairs, larger ones 7-8 cm long and 0.8-1 cm broad, short-stalked, the apex obtuse. Terrestrial in dense forests, 0-500 m, thus far known only from Peru: Depts. Pasco and Ucayali. Additional collections: PERU. Pasco: Oxapampa, Palcazu Valley, Iscozacin, R. Foster 9466 (MO), 10049 (F). Ucayali: Vicinity of Aguaytia, Croat 20938 (MO). This is perhaps most closely related to D. alata Sm., of the West Indies and Venezuela, especially in that both species have predominantly simple veins. However, in D. oblanceolata pinnae are fewer and relatively shorter and broader, and most of them are broadest well above the middle, where the margins then curve abruptly to a short-acuminate apex. In D. alata, as in all members of the D. moritziana complex, pinnae are broadest at or near the middle, from whence they taper gradually to a moderately acuminate or attenuate apex. Danaea moritziana Presl, found rather frequently in Venezuela, Colombia and Peru, is further distinguished from D. oblanceolata in the predominantly forked veins (only occasionally simple or paired at base). Moreover, it is possible that the Central American D. cuspidata and one or two West Indian species are synonymous with D. moritziana. A number of taxa with pinnae under 2.5 cm broad were separated by Underwood (Bull. Torrey Bot. Club 29:669-679. 1902), merely on the degree of forking and spacing of veins, an apparently inconsistent char-