318 MR. W. MITTEN ON NEW SPECIES OF MUSCI FROM CEYLON. 
dium subulatis, internum processibus quam dentes duplo longioribus, 
in membrana brevissima insidentibus. 
Hab. Ins. Ceylon, Dr. Thwaites. 
M. rufo, Dozy et Molk. Musc. Archip. Ind. t. 54, similis, foliis autem 
longioribus. 
Rhegmatodon Nietneri, C. Mueller, Linn. Band xxxvi. p. 20, which 
must also be included in the genus Macrohymenium, is described 
with a capsule * undique asperula,” and must therefore be suffi- 
ciently distinct. 
SEMATOPHYLLUM, Mitt. Journ. Linn. Soc. 1868. 
Sect. Acroporium, Mitt. 1. c. 
S. PUNCTULIFERUM, Thw. et Mitt. 
Dioicum ; caulis procumbens, ramis assurgentibus laxius confertis; folia 
laxe inserta, patentia, recta, apicalia m gemmam teretem angustam 
elongatam convoluta, ovali-elliptica acuta, marginibus superne conni- 
ventibus tubulosa, integerrima, basi subcordata, cellulis alaribus con- 
spicuis, superioribus angustis subconflatis dorso limitibus prominenti- 
bus; perichetialia ovata, in acumen elongatum serrulatum products ; 
peduneulus elongatus, ruber, seaber; theca ovalis, horizontalis; peri- 
stomium dentibus latis, lamina interna quam externis angustiore, in- 
ternum processibus, ciliis brevioribus interpositis, in membrana ad ¿ 
dentium longitudinis exserta insidentibus. 
Hab. Ins. Ceylon, Dr. Thwaites. 
Folia semilineam parum excedentia. Pedunculus sexlinearis. 
Sect. Rhaphidorrhynchum, Schimp. 
S. CAPILLIFERUM, Thw. et Mitt. 
Dioicum? caulis procumbens, ramis assurgentibus ; folia laxe et tereti- 
uscule imbricata, patentia, ovalia, basi constricta, apice in acumen an- 
gustum rectum subulato-attenuata, integerrima, excavata, margine 
superne subplana, cellulis angustis alaribus distinctis areolata, subu- 
lata, integerrima ; pedunculus elongatus, levis; theca ovalis, horizon- 
talis, operculo subulirostro ; peristomii interni processus ciliis singulis 
interpositis in membrana usque ad 3 ejus longitudinis exserta impositi. 
Hab. Ins. Ceylon, Dr. Thwaites. 
Rami sesquilineam crassi. Folia lineam longa, tenera, nitida, levia. 
Pedunculus semiuncialis. Theca parva. 
S. cirrhifolio, Schwegr., statura similis, folia autem haud compressa, 
integerrima. 
S. MONOSTICTUM, Thw. et Mitt. 
Monoicum, pusillum, cespitosum ; folia compressa, lateralia divergentia, 
apicibus decurvatis subsecundis, ovali-lanceolata subulato-acuminata, 
