Musci Exoricti.—Gardneriant. 
PTEROGONIUM MYURUM. 
‘Pterogonium caule (fructifero) suberecto pinnatim ra- 
moso, foliis undique imbricatis erectis ovatis valde con- 
cavis enervibus integerrimis, seta elongata, capsula ob- 
longa erecta, operculo acuminato. (Tas. CXLVIIL.) 
Has. In Nepal. Hon. .D. Gardner. 
Caules steriles, repentes, radicantes, ‘fructiferi erecti vel decum- 
bentes pinnatim ramosi, ramis distantibus patentibus subcla- 
vatis, Folia undique inserta, erecta, arcte imbricata, pallide 
viridia, exacte ovata, valde concava, obtusa cum mucrone mi- 
nutissimo, integerrima, enervia vel basi solummodo obsoletis- 
sime binervibus. Seéa longa. Capsula oblonga, rufo-fusca, 
ore annulato. Operculum conico-acuminatum. Peristomii 
dentes 16, rufi, marginati, transversim striati. 
This plant has so much the habit of a Hypnum, or rather per- 
haps that of a Leskea, that it was only after an examination of 
various capsules that I was able to satisfy myself that it had but 
a single peristome. The teeth, too, are singularly rigid, Among 
the Pterogonia I know of none with which it is at all liable to. 
be confounded. 
Fig. 1, fertile, and Fig. 2, sterile plants, nat. size. Fig. 3,. 
portion of a fertile plant. Fig. 4, leaf, Fig. 5, capsule.— 
magn, 
