28 
BROTHERUS. 
STEREODON Mitt. 
Stereodon ( Pseudo-Rhaphidostegium) luzonensis Broth, sp. nov. 
Dioicus ; sat gracilis, caespitosus, caespitibus clensis, mollibus, lutes- 
centi-yiridibus, nitidis; caulis procumbens, parce fusco-radiculosus, div- 
isus, clivisionibus adscenclentibns, dense foliosis, pinnatim ramosis, ramis 
patulis, brevibus, compressnlis, singulis longioribus, ramulosis; folia 
falcata, concava, laevia, hand decurrentia, ovata vel ovato-oblonga, breviter 
acuminata, acuta, marginibus erect is, apice minute serrulatis, enervia, cell- 
ulis angustissime linearibus, laevissimis, basilaribus infimis abbreviatis, 
laxiusculis, incrassatis, aureis, alaribus pluribus magnis, oblongis, vesicu- 
losis, uniseriatis, aureis; bracteae perichaetii erectae, hand plicatae, 
intimae e basi oblonga laneeolato-subulatae, superne serratae; seta circ. 
2.5 cm. alta, sicca flexuosula, rubra, laevissima; theca horizontalis, 
oblongo-cylindricea, paulum asymmetrica, brevicollis, sicca deoperculata 
curvatula, sub ore paulum constricta, laevis, fusca; operculum e basi 
conica brevissime curvirostre. 
Luzon, District of Lepanto, Mount Data, on trees, alt. 2,120 m. (4938 Merrill). 
Species 8. curvirostri (Sehwaegr. ) Mitt, valde affinis, sed foliis minutius 
serrulatis, seta longiore et thecae forma dignoscenda. 
TAX IT HELIUM Spruce. 
Taxit helium (Polystigma) a I are Broth, sp. nov. 
Autoicumj gracile, pallide lutescens, sericeo-nitens ; caulis ad ramulos 
longissime repens, per totam longitudinem fusco-radiculosus, densissime 
pinnatim ramosus, ramis subaequilongis, vix ultra 1 cm., cum foliis vix 
2 mm. latis, sursum vergentibus, dense foliosis, valde complanatis, vix 
attenuatis, obtusis; folia distich e patentia, concava, e basi angustata 
oblongo-lanceolata, filiformi-acuminata, marginibus erectis, superne serr- 
ulatis, enervia, cellulis angustissime linearibus, seriatim papillosis, basil- 
aribus infnnis brevioribus, laevibus, aureis, alaribus pluribus vesiculosis, 
aureis; bracteae perichaetii erectae, intimae e basi vaginante oblonga 
laneeolato-subulatae, filiformi-acuminatae, superne serrulatae; seta circ. 
3 cm. alta, tenuissima, flexuosula, rubra, laevissima; theca suberecta, mi- 
nuta, oblonga, paulum asymmetrica, deoperculata inclinata, sicca suit ore 
constricta, fusca, laevis; operculum e basi conica brevissime rostratum. 
Mindoro, Mount Halcon (For. Bur. 4476 Merritt). ■ 
Species distinctissima, forsan cum T. Lindbergii (Bryol. Jav. ) Ren. et Card, 
comparenda, sed ramificatione, foliorum structura et seta longissima valde 
diversa. 
Taxithelium instratum (Brid.) Broth. 
Luzon, Province of Rizal, Bosoboso, on trees (Bur. Sci. 1108, 1169, 1 171, 
1 173, 1174, 1 170, 1177, 1178 Kamos). 
