Genus Polytrichum; with Some Emendations. 77 
***® Caule ramo/o. 
12. Potytricnum /ridum, fol. lanceolatis acuminatis erectiufculis, 
marginibus inflexis integerrimis, capfulis quadrangularibus, 
apophyfi infidentibus. Taz. 7. Fic. 1. 
Vaill, Par. 131. t. 23. f. 6. 
Hab. in America Septenirional:, in locis fterilibus Anglia, et in Scotia. 
This fpecies was gathered in the year 1766 on Newfoundland by 
Sir Jofeph Banks, Bart. who defcribed it under the foregoing name 
in a manufcript preferved in his library, which I was fuffered to perufe 
in the moft liberal manner. I found it about twelve years ago near 
Halifax in Nova Scotia, and fince that time in feveral places on the 
north-weft coaft of America; and I lately found it alfo in different — 
places in Scotland, particularly on the top of the park walls, on both 
fides of the road, about a mile to the eaftward of Taymouth in 
Breadalbane, where it grows in common with P. commune and P. pi- 
liferum. 
- It is branched, and about two inches in height. The roots, together 
with the lower parts of the ftem and branches, are covered with a 
whitifh downy fubftance, ‘of a fpongy texture: the lower parts of 
the branches appear flender, from the leaves being fmaller and more 
thinly fet there than towards the tops, where the leaves are larger and 
more crowded.—T he /eaves are thick, tiff, erect, lanceolate and fharp- 
pointed, with entire edges, which, like the preceding, are folded flat 
back to the furface of the leaf from both fides: in a dried ftate the 
leaves prefs clofe to the ftalk, and their points are flightly hifpid: 
thofe which furround the bafe of the peduncles are moftly membra- 
naceous and pellucid, with greenifh middle nerves ending in flender 
filaceous tips.—The peduncles are from an inch to two inches in length, 
arifing from thefummits of the branches out of cylindrical tubes 
nearly 
