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lobed ;- the: lowest pair forked at the base. 
Texture herbaceous. Rachis and_ surfaces 
naked. Main veins distinct almost to the edge, 
areoles copious with free included veinlets, 
Sori in two.rows between each primary vein. 
‘(Plate XII.]—Cultivated. 
- Distribution: Tropical America "from Cuba 
and Mexico to Brazil and Peru. 
Genus XXXI.—Pteocnemia PRESL. 
(Deriv. ‘Pleos, full; Anemia, rays—in allusion 
to the venation.) 
As the Aspidium but only the lowest veinlets 
of the vein anastomosing so as to form a series 
of areoles near the costa without any free vein- 
lets within them. All the other veinlets asa 
‘rule free. Sori generally at the apex of the free 
veinlets, sometimes on the netted veins. 
(2) Frond simply pinnate. Stipes covered 
with persistent black scales. 
1. P. menibranih ola. 
OF ond 2-3 pinnate. 
(2) Stipes scaly. Sori not mixed with 
yellow glandular hairs. 
2. P. membranacea. 
