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BRYOLOGICAL FLORA OF THE PHILIPPINES. 1438 
POTTIACEA. 
WEISIA Hedw. 
Weisia flavipes Hook. f. & Wils. 
Luzon, Province of Nueva Viscaya, Mount Umugum, Bur. Sci. 8280 Ramos. 
Area: Eastern Australia, Tasmania, and New Zealand. 
HYMENOSTYLIUM Brid. 
Hymenostylium luzonense Broth. sp. nov. 
Dioicum,; gracile, caespitosum, caespitibus densis, extensis, lacte- vel 
fuscescenti-viridibus, haud nitidis; caulis ad 5 cm usque altus, erectus 
vel adscendens, per totam longitudinem plus minusve fusco-radiculosus, 
laxiuscule foliosus, dichotome ramosus, ramis fastigiatis ; folia sicca sub- 
erecta, flexuosula, humida subsquarroso-patula, carinato-concava, linearia, 
breviter lanceolato-acuminata, acutissima, marginibus plerumque basi uno 
latere anguste recurvis, caeterum erectis, integerrimis, nervo crassiusculo, 
infra summum apicem evanido, dorso laevi, cellulis minutis, incrassatis, 
quadratis vel rotundato-quadratis, chlorophyllosis, basilaribus rectangular- 
ibus, hyalinis, omnibus laevissimis; seta 5-7 mm alta, tenuis, strictiuscula, 
rubra, laevissima; theca erecta, oblonga, microstoma, fusco-rubra, haud 
nitida, laevis; operculum oblique rostratum, rostro theca breviore. 
Luzon, Province of Benguet, Trinidad River, Bur. Sci. 5518, 5519 Ramos: 
Bued River, on dry cliffs, altitude about 920 m, Merrill 4888. 
Species H. curvirostro (Ehrh.) Lindb. habitu similis, sed thecae forma oculo 
nudo jam dignoscenda. 
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MERCEYA Schimp. 
Merceya subminuta Broth. sp. nov. 
Autoica; tenella, caespitosa, caespitibus densis, late extensis, fuscescenti- 
viridibus, haud nitidis; cau/is usque ad 1 cm altus, erectus, strictus, basi 
fusco-radiculosus, dense foliosus, simplex vel apice innovationibus bre- 
vibus, erectis praeditus; folia sicea incurvula, contracta, marginibus 
undulatis, humida erecto-patentia, carinato-concava, e basi breviter spathu- 
lata oblongo-lingulata, breviter acuminata, acuta, c. 2 mm longa et c. 0.53 
mm lata, marginibus erectis, integerrimis, nervo crassiusculo, rufescente, 
infra summum apicem folii evanido, dorso laevi, cellulis plus minusve 
incrassatis, lumine angulato-rotundato, c. 0.007: mm, chlorophyllosis, 
basilaribus internis subito multo majoribus, laxis, quadratis, fusco-aureis, 
ad marginem infimam anguste rectangularibus, omnibus laevissimis ; 
bracteae perichaetu foliis similes; seta c. 4 mm alta, tenuis, strictiuscula, 
sicca dextrorsum torta, lutea, laevissima; theca erecta, minuta, breviter 
oblonga, leptodermis, sicea deoperculata plicatula, nitidula, pallide fusea ; 
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