BRYOLOGICAL FLORA. 
25 
MERRILLIOBRYUM Broth, gen. nov. 
Merrilliobryum fabronioides Broth, gen. nov. et sp. nov. 
Autoicum ; tenellum, caespitosum, caespitibus densis, caulibus valde 
intertextis, mollissimis, albescenti-viridibus, sericeo-nitidis ; caulis repens, 
tenuissimus, per totam longitudinem fusco-tomentosus, pinnatim ra- 
mosus, ramis suberectis, 3-5 mm. longis, curvatulis, dense foliosis, 
baud attenuatis, simplieibus ; folia erecto-patentia, breviter decurrentia, 
e basi truncata ovato-lanceolata, sensim in pilum longissimum, flex- 
uosulum attenuata, marginibus erectis, minutissime denticulatis, nervo 
tenui, vix ultra medium folii producta, saepe obsolete*, cellulis laxe 
lineari-hexagonis, leptodermibus, hyalinis, laevissimis, basilaribus laxis, 
abbreviatis, alaribus quadratis; bracteae perichaetii erectae, intimae e 
basi oblonga raptim piliformi-acuminatae, ad basin subulae dentibus 
singulis majuseulis praeditae, enerves; seta cire. 1.5 cm. alta, tenuis, 
flexuosula, rubra, laevissima ; theca erecta, pro planta majuscula, ovalis, 
regularis, circ. 2.5 mm. longa et circ. 1.2 mm. crassa, brevicollis, lepto- 
dermis, fuscidula, aetate nigreseens, sicca laevis, nitidiuscula, cellulis 
exothecii ovali- vel subrotundo-polygonis, parietibus crassiusculis, orili- 
cium versus sensim minoribus; annulus nullus; peristomium duplex; 
exostomii dentes prope orificium thecae oriundi, sicci et liumidi erecti, 
dolabriformes, circ. 0.4 mm. longi et circ. 0.075 mm. lati, basi rufescentes, 
linea media flexuosa notati, dense transverse striolati, dense articulati, 
baud lamellati: endostomium liberum, sordide fusco-luteum, laeve; corona 
basilaris ad dimidiam dentium longitudinis producta, plicata; processus 
dentium fere longitudinis, lanceolati, carinati, longitudinaliter rimosi 
vel cliversi; cilia singula, breviuscula, laevia; spori 0.025-0.030 mm. 
olivacei, papillosi ; operculum e basi alte eonica breviter rostratum. 
Calyptra ignota. 
Luzon, District of Lepanto, Mount Data, on trees, alt. 2,120 m. (4921 Mer- 
rill) . 
Genus novum insigne, caulis et foliorum structura cum genere Fabronia 
omnino conveniens, sed sporogonio longe diversum. 
HOOKElMACEiE. 
CALL ICOST ELLA C. Miill. 
Callicostella papillata (Mont.) Jaeg. 
Luzon, Province of Laguna, Mount Maquiling (5148 Merrill). 
Area: Bengal, Sumatra, Java, Borneo, Pacific Islands. 
RHACOPILACE2E. 
RHACOPILUM P. Beauv. 
Rhacopilum spectabile Reinw. et Hornsch. 
Mindanao, Lake Lanao, Camp Keitliley, alt. 800 m. (824. 883 Mrs. Clemens). 
Luzon, District of Lepanto, Mount Data, on trees, alt. 2,120 m. (4980 Merrill). 
