On the Discovery of two species of Trichomanes. 325 
lum was to be found in the herbarium, chiefly of Virginian and 
Pennsylvanian plants, which Pursh formed for his patron, Pro- 
fessor Barton, nor in that which he communicated to the late 
Mr, Lambert, and used in the preparation of his Flora. 
However the case may be in respect to that plant, it is no 
peo: from J to | 
I; and even to the Sandwich Islands; while in the Old 
d it is found in Ireland, in the Azores, Madeira, Teneriffe, 
and even in Nepal. 
|, The plant occurs, in Alabama, on the face of sandstone cliffs 
~ Verhanging rocks of the kind, sheltered both from the sun 
And rain, ~ ee damp by percolation, or by the spray of adja- 
‘ent cascades, at least for a great part of the year. I am greatly 
ae 
a m8! ; recej i i t+ to the printer, Mr. Beaumont states 
that he apache le oa ~ ted 1850, in Franklin County, 
and has enclosed to me ‘a fruiting specimen collected at that time. oe 
nt T ig that species, as now received by Hooker, to comprise the 7: brevisetum, 
+L. scandens, Hedw., de. 
