36 
TEENS : BEITISH AND FOREIGN. 
leriana, after its discoverer, Dr. Lecliler. It lias 
large, finely divided, somewhat membranaceous fronds, 
three or more feet in height, resembling a species of 
Darea, and thick scandent rhizomes. Cyatliea viicro- 
phylla, found by the same collector, and figured in the 
same work, appears to be a neat little Tree-fern, 
with stems four feet high and finely divided fronds, 
two or three feet long, ferrugineous from hairs on the 
under side. Some species of Gymnogramme are 
worthy of note, such as G. elongata, with narrow 
pinnate fronds a foot or more long, something like 
those of the well-known Notholcena trichomanoides, 
and clothed with copious longish hairs ; G. flabellata, 
the fronds of which are about a foot high, bipinnate, 
with dark shining stipes, and little flabelliform, dicho- 
tomously divided, green pinnules, and extremely neat ; 
G. incisa, which has bipinnate fronds a span or more 
high, and scarcely more than an inch wide, with the 
pinnules deeply incised. These Gymnogramms are also 
found in Venezuela, New Granada, and countries north 
of the equator, where there is also a remarkable scan- 
dent species, G. refracta, the finely cut fronds of 
which continuously increase to a great length, and 
ramble over the branches of trees. Our collections of 
Gleichenice- might be also enriched with several species 
from Peru and Chili, particularly G. simplex from 
the former, and G. pedalis from the latter. G. simplex 
having simple, pectinately pinnatifid fronds a foot and 
a half in length, with short stipes ; and G. pedalis 
fronds of the ordinary form, something like G. furcata, 
but smaller, neater, and more compact in its mode of 
growth. And, finally, the two singular Polypodies, 
with dimorphous fronds, would be very pretty addi- 
