220 The Philippine Journal of Science ms 



superne mamillis humillimis, latis instructa; theca horizontalis, 

 minuta, oblonga, fusca. Caetera ignota. 



Luzon, Laguna Province, summit of Mount Maquiling, Baker 2762. 

 Species M. fornicato (Card.) Broth, valde affinis, sed foliis angustio- 

 ribus, acumine angustiore dignoscenda. 



RHAPHIDOSTEGIUM (Bryol. eur.) de Notaris 

 RHAPHIDOSTEGIUM SAPROXYLOPHILUM (C. Mffll.) Jaeg. 



Luzon, Laguna Province, San Antonio, on bamboo, Bur. Sci. 16673 

 Ramos: Rizal Province, Bur. Sci. 2134.1 Ramos. 



RHAPHIDOSTEGIUM (APTYCHUS) LUZONENSE Broth, sp. nov. 



Rhaphidostegium tristiculum Broth, in Philip. Journ. Sci. 8 (1913) Bot. 

 93 nee (Mitt.) Jaeg. 



Antoicum; robustum, caespitosum, caespitibus densis, lutes- 

 centibus, sericeo-nitidis ; caulis elongatus, repens, per totam 

 longitudinem fusco-radiculosus, dense foliosus, dense pinnatim 

 ramosus, ramis arcuato-adscendentibus, simplicibus, obtusis; 

 folia homomalla, concava, oblongo-elliptica, lanceolato-acumi- 

 nata, marginibus late recurvis, integerrimis vel apice remote et 

 minutissime serrulatis, enervia, cellulis elongatis, angustis, haud 

 incrassatis, pellucidis, basilaribus infimis brevioribus, aureis, 

 alaribus vesiculaeformibus, supraalaribus laxe subquadratis, 

 aureis, omnibus laevissimis; bracteae perichaetii internae erec- 

 tae, vaginantes, subsensim lanceolato-acuminatae, integrae; seta 

 c. 1 cm alta, tenuissima, rubra, laevissima; theca subhorizon- 

 talis, e collo breviusculo ovalis vel oblonga, minuta, sicca deoper- 

 culata sub ore constricta, fusca; operculum longe rostratum. 



Luzon, Benguet Subprovince, Sanchez 6, 11, Fcr. Bur. 1:1639 Curran; 

 Baguio and vicinity, Bur Sci. 14053 Robinson. 



Species Rh. subhumili (C. Mull.) Jaeg. et Rh. phaeniceo (C. Mull.) Jaeg. 

 affinis sed statura multo robustiore oculo nudo jam dignoscenda, a Rh. 

 tristiculo (Mitt.) Jaeg., quocum olium confusi, cellulis angustioribus, pellu- 

 cidis diversa. 



TRICHOSTELEUM (Mitt.) Jaeger 



TRICHOSTELEUM HAMATUM (Doz. et Molk.) Jaeg. 



Luzon, Laguna Province, Mount Maquiling, altitude 660 to 1,000 me- 

 ters, Bur. Sci. 17009, 17028, 17070, 17150, 17106 Robinson; Mount Banahao, 

 Baker 2325. 



Var. SEMIMAMILLOSUM (C. Mull.) Par. 



Luzon, Laguna Province, Mount Maquiling, on trees, altitude 700 me- 

 ters, Bur. Sci. 17021 Robinson: Abra Province, Mount Posuey, Bur. Sci. 

 27096 Ramos. 



TRICHOSTELEUM (PAPILLIDIUM ) BASILANENSE Broth, sp. nov. 



Antoicum: tenellum, caespitosum, caespitibus densis, depres- 

 sis, lutescenti-fuscescentibus, nitidiusculis ; caulis elongatus, 



