30 
TEENS : BEITISH AND FOEEIGN. 
found as far north on the western coast as the Columbia 
river, it will, it may be presumed, prove hardy with us. 
Did space permit, this list of desiderata, from North 
America might be greatly extended; but I must pass 
on to the countries of the South, which offer a rich 
field to the fern-collector. 
In my enumeration of the Ferns of Panama, in 
Seemann's “ Botany of the Voyage of H. M. S. 
Herald,” I have described a very pretty Fern from 
Southern Darien under the name of Glyphotcenium 
crispum , which would be an acquisition to those who 
grow F eras in a natural manner, though not suited for 
pot culture. It is found on trees, from the branches of 
which its tufts of long and narrow wavy fronds hang 
down in a very graceful manner. In Darien, Panama, 
and the adjacent Pacific islands, also, there are several 
Tree-ferns which we have not yet got; such as Hemitelia 
petiolata, a distinct species, with large pinnate fronds, 
having widely-separated petiolated pinnules ; and 
Alsopliila elongata, a very robust species. New Gra- 
nada, Venezuela, and other countries north of the 
equator, though explored by several collectors, would 
still yield a good many desirable novelties to our 
gardens. In the former country I may indicate the 
several species of the extremely curious genus Jame- 
sonia, with their very narrow, erect, rigid fronds, conti- 
nuously developing little orbicular, concave, imbricated 
pinnae, and densely clothed, while young, with fer- 
ruginous hairs ; and also Dryomenes Purdiei , a mag- 
nificent Fern with very deeply pinnatifid fronds from 
four to five feet long, having extremely broad segments, 
covered with numerous small sori, which may probably 
possess indusia ; but younger specimens than those in 
