160 MR. W. MITTEN ON THE MUSCI AND HEPATIC 
Very incomplete specimen, but not distinguishable from the South 
American species. 
N. RAMULOSA, sp.nov. Gracilis, ramis bipinnatis, foliis compressis 
ovato-oblongis acuminatis ramulinis rotundato-ovatis, nervo ultra me- 
dium producto, marginibus a medio ad apicem argute subduplicato 
serrulatis, cellulis superioribus oblongo-rotundis inferioribus elongatis, 
perichetialibus apicibus subulatis. 
Hab. Cameroons Mountain, alt. 4000 feet, amongst Radula bipinnata, 
Mann. 
A slender species allied to N. flagellacea, Mitten, but with narrower 
leaves. 
(Rhystophyllum, Ehrh.) 
N. pisticua, Hedw. 
Hab. Fernando Po, Mann. 
N. FovEOLATA, Mitten. 
Hab. Bagroo River, Mann. 
N. PENNATA, Hedw. 
Hab. Peak Clarence, Fernando Po, alt. 6000 feet, on trees, Mann. 
N. REMOTA, Bruch. . 
Hah. Cameroons Mountain, alt. 7000 feet, on trees, Mann. 
Agrees exactly with the Abyssinian specimens. 
LEUCODONTACEA, Mitten. 
Hepwieta, Ehrh. 
(Hedwigium, Schimp.) 
H. rwBEnnrS, Hook. et Taylor. 
Hab. Cameroons Mountain, alt. 10,000-12,000 feet, on rocks, Mann. 
H. RUPESTRIS, sp. nov. Monoica, ceespitosa, caule elongato ramoso, 
foliis caulinis erecto-patentibus imbricatis ovato-ellipticis acutis apice 
serrulatis marginibus inferne anguste reflexis longitudinaliter rugosis, 
rameis in apiculum flexuosum filiformem attenuatis, cellulis minutis ro- 
tundatis, perichzetialibus erectis longioribus ovato-lanceolatis plicatis, 
theca in pedunculo semiunciali gracili late ovali pluries plicata, ore 
levi, operculo conico, rostro subulato, calyptra elongata bi- trifida uno 
latere profundiore pluries plicata. 
Hab. Cameroons Mountain, alt. 10,000 feet, on rocks, Mann. * Ad 
rupes prope Enschedcap,” inter cæspites H. Schimperiane, No. 464, 
Unio Ilmeraria, 1842, Schimper. 
Size about that of H. Indica, Mont., but in all the specimens less regu- 
larly branched ; easily distinguished from H. Schimperiana by its more acute 
leaves and plicate capsule. 
