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158 BROTHERUS. 
Thuidium casuarinum (C. Miill.) Jaeg. 
Luzon, Province of Benguet, Mount Tonglon, Bur. Sci. 5497 Ramos, Mount 
Pulog, altitude about 2,600 m, For. Bur. 16403 Ourran, Merritt, & Zschokke: 
Pauai, altitude about 2,100 m, Bur. Sci. 8676 McGregor. 
Area: Philippines. 
Thuidium plumulosum (Doz. & Molk.) Bryol. jav. 
Luzon, Province of Laguna, Mount Maquiling, Merrill 6319 ex p. 
HYPNACE. 
MACROTHAMNIUM Fleisch. 
Macrothamnium macrocarpum (Reinw. & Hornsch.) Fleisch. 
Luzon, Province of Laguna, Mount Banajao, altitude about 2,000 m, Bur. Sci. 
6596 Robinson, Copeland s. n.: District of Lepanto, Mount Data, Bur. Sci. 5966 
Ramos, For. Bur. 16017 Bacani. 
LEPTOHYMENIUM Schwaegr. 
Leptohymenium tenue (Hook.) Schwaegr. 
Luzon, Province of Benguet, Mount Pulog, on trees, altitude about 2,100 m, 
For. Bur. 16425, 16426 Curran, Merritt, & Zschokke. 
Area: Himalaya, Nepal, Bhotan, Khasia, and Burma. 
ECTROPOTHECIUM Mitt. 
Ectropothecium assimile Broth. sp. nov. 
Autoicum; robustiusculum, caespitosum, caespitibus laxis, albescent- 
ibus, nitidis ; caulis elongatus, repens, per totam longitudinem fasciculatim 
fusco-radiculosus, dense subpinnatim ramosus, ramis et ramulis valde 
complanatis, cum foliis usque ad 1.5 mm latis, dense foliosis, obtusis ; 
folia disticha, concava, patentia, asymmetrica, ovato-lanceolata, breviter 
acuminata, marginibus erectis, minutissime serrulatis, brevissime binervia, 
cellulis angustissime linearibus, alaribus paucis, quadratis, hyalinis, omni- 
bus laevissimis; bracteae perichaetii intimae e basi lato raptim lanceolato- 
subulatae, filiformi-acuminatae, apice minutissime serrulatae ; seta 12 mm, 
tenuissima, flexuosula, rubra, laevissima; theca horizontalis, minuta, 
ovalis, sicca deoperculata sub ore paulum constricta, fusco-rubra; oper- 
culum e basi convexa alte apiculatum. 
Luzon, Province of Laguna, Mount Maquiling, Merrill 6316. 
Species 2. monumentorum (Dub.) Jaeg. valde affinis, sed foliis paulum laxius 
reticulatis thecaque majore dignoscenda. 
Ectropothecium micropyxis Broth. sp. nov. 
Autoicum; gracile, caespitosum, caespitibus mollibus, densiusculis, 
depressis, lutescenti-viridibus, nitidis; caulis elongatus, repens, flexuosus, 
per totam longitudinem fasciculatim fusco-radiculosus, densiuscule 
- foliosus, pinnatim ramosus, ramis vix ultra 5 mm longis, patulis, com- 
planatulis, simplicibus, obtusis; folia caulina faleatula, concaviusecula, e 
basi breviter decurrente, ovata subito lanceolato-subulata, filiformi-_ 
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