72 Mr. Menzies’s Arrangement of the 
rounded with fpreading leaves, which are longer and more copious 
at the termination of each year’s growth and round the bafe of the 
peduncles.—The eaves are long, fpreading, linear-lanceolate, and 
- ferrated with deep dents on their edges: in a dried ftate they are of a 
reddifh-brown colour, and their edges turn in, fo as to give them a 
round or fubulate appearance.-—The peduncles are fhining, of a light | 
ftraw-colour, and from two to three inches long, iffuing out of a 
tubular perichatium from the fummit of the ftalk; but as a young 
fhoot frequently iffues from near their bafe, the peduncle there- 
by becomes lateral, and thus there are often two on the fame 
talk, one terminal and the other lateral—The cap/ule is oblong, 
nearly cylindrical, and fomewhat erect: the operculum is conical, 
with a long flender point turning fideways.—The exterior woolly 
calypira is wanting: the inner one, which is fmooth, fubulate, and 
of adark brown colour, is about three tenths of an inch long, with 
a little roughnefs appearing about the point: as the capfule fwells 
it {plits fideways from the bottom upwards.—The male rofaccous 
cups are proliferous, and upon feparate ftalks, which in general pro- 
duce ftronger and more crowded leaves. 
I was enabled to afcertain this plant by carefully comparing it 
with the original fpecimen of P. magellanicum in the Linnean Her- 
barium. 
7. PoLyTRICHUM altenuatum, fol. lineari-lanceolatis carinatis car- 
tilagineo-ferratis patulis, capfula quadrangulari cernua, bafi con~ 
ftrictta. Tas. 6. Fre. 2. 
Hab. in ora occidentali America Septentrionalis. 
The fa/k of this fpecies is fimple, erect, andfrom an inch and half 
to upwards of three inches high.—The /eaves are {preading, linear- 
lanceolate, with rough hifpid points, and whitifh cartilagineous 
edges deeply ferrated ; the middle nerve is ftrong, whitifh, and on 
the 
