272 BROADHURST: STRUTHIOPTERIS IN NorTH AMERICA 
Blechnum polypodioides Kuhn, Fil. Afr. 92. 1868. 
Spicanta polypodioides O. Kuntze, Rev. Gen. PI. 2: 821. 1891. 
Spicanta attenuata O. Kuntze, Rev. Gen. Pl. 2: 820. 1891. 
Lomaria Féei Jenm. Bull. Bot. Dept. Jamaica 43: 7. 1893. 
Lomaria attenuata Willd. (as used by Jenman, loc. cit.). 
Blechnum attenuatum Diels (in part), in E. & P. Nat. Pfl. 1: 
249. 1899. 
Plants epiphytic. Rhizome wide-creeping, often 10-12 meters 
above the ground, 1-2 cm. thick, the scales linear, 7-14 mm. long, 
maroon to dark chocolate brown, usually with a black median line. 
Sterile fronds 25-95 cm. long; stipes scattered throughout 10-20 
cm. from the apex of the rhizome, 6-28 cm. long, rarely angulate, 
without vestigial pinnae, bicolored with dark brown or blackish 
brown; lamina 20-80 cm. long, 4-15 cm. wide, shape either (1) 
narrowly lanceolate or else very narrowly oblong or linear with 
the greatest width the same for about half the length (15—30 cm.), 
gradually reduced at each end, the lower usually contiguous pinnae 
becoming triangular or more or less semicircular (type F base 
and approaching G) or (2) lanceolate in shape, gradually reduced 
at the apex, the lower sinuses becoming wider and the lower pinnae 
25-75-jugate, falcate, the apex acute to acuminate, the base 
widest part, but not very prominently dilated, 2.2-8 cm. long, 
g-12 mm. wide; margins entire or sometimes subentire at the ape% 
leaf tissue rigid-herbaceous to coriaceous, without scales; var 
usually indistinct above, usually appearing below as distinct, d 
lines, or in the heavier plants often raised and cartilaginous, 
apices somewhat glandular, the vein spaces 9-12 to I cm. “- 
phyls 20-70 cm. long; stipes 8-24 cm. long, often with @ a 
vestigial pinnae, usually bicolored; lamina 16-60 cm. long, @ 
ruptly reduced at the base, gradually reduced at the apex; on 
22-45-jugate, 3-8 cm. long, 2-3 mm. wide, with or without 
contracted sterile tip 1-4 mm. long, not dilated at the a 
indusium entire, not becoming lacerate; sporangia brown to 
brown. 
TYPE LOCALITY: Jamaica. West 
DIsTRIBUTION: Mexico, Central America, Panama, 
Indies, and the Lesser Antilles. of 
SPECIMENS INCLUDED: Mexico: State of Vera Cru’ one 
Cordova, Finck 87 (Y, N). Costa Rica: Vicinity of a" ‘ 
altitude about 1,950 m., climbing on trees, Maxon 251 (% 
