Muscr Exorici.—Menziesiani. 
HYPNUM SPININERVIUM.. 
Hypnum caule erecto fasciculato, foliis laxis bifariis: 
ovatis denticulatis, nervo dorso denticulato ad api- 
cem attingente, capsula sulcata cylindracea cernua.. 
(Tas. XXIX.) 
Han. In sinu Dusky Bay dicto, apud Novam Zeelandiam. D.. 
Menzies, 1791. 
Caules 2-3-unciales, erecti,. basin: versus plerumque dichotome: 
divisi, apice fasciculatim ramosi, ramis subsimplicibus, Folia 
laxa, bifariam imbricata, disticha, ovata, acuta, planiuscula,. 
obscure viridia, substriata, margine denticulata, nervo dorso 
superne denticulato ad apicem attingente instructa. Periche- 
tialia ovata, longe-acuminata, nervo distincto. Seé@ plurime- 
ex eodem caule, biunciales, flexuose, rubre. Capsula cylin- 
dracea, intense fusca, profunde sulcata. Peristomit dentes ext.. 
lutei, ind. flavi. 
This species will range with H. fasciculatum and arcuatum,. 
differing however in many points from both, and particularly in. 
the toothed back of the nerve. The capsule resembles that of 
H, undulatum in its cylindrical shape and deep furrows. The 
calyptra and operculum I have not seen. 
Fig. 1, plant nat. size. Fig. 2, leaves of the stem. Fig. 3,. 
single ditto seen on the back, Fig. 4, perichetium. Fig. 5 and6, 
perichetial leaves. Fig. 7, capsule. Fig. 8, outer teeth of the: 
peristome,. Fig, 9, inner ditto.—magn. 
