viii, c. 2 ' Brotherus: Bryological Flora 87 
TRISMEGISTIA (C. Miill.) Brotherus 
TRISMEGISTIA LANCIFOLIA (C. Miill.) Broth. 
Luzon, Province of Laguna, San Antonio, Bur. ScL 12095, 12096 Ramos; 
Paet^, Bur. Sd. 10061 Ramos; Mount Banajao, on ground, altitude 1,500 m, 
Bur, ScL 9794. Robinson: Province of Rizal, San Isidro, on trees. Bur. Sci. 
13H2, ISW Ramos. Mindanao, Subprovince of Butuan, altitude 122 m, 
Weber 1293^ 1296. NegkOS, Mount Marapara, For. Bur. 1S6J^7 p. p. Curran 
& Foxworthy, Polillo, Bur. ScL 10517, 10519 McGregor, Bur. Sci. 9107, 
9200 Robinson. 
TRISMEGISTIA KORTHALSII (C. Miill.) Broth. 
Luzon,. Province of Laguna, Calvin 331, 
MASTOPOMA Cardot 
MASTOPOMA UNCINIFOLIUM (Broth.) Card. 
Negros, Mount Marapara, For. Bur. 136U7 P- V- Curran & Foxworthy. 
Area: Mindanao. 
ISOPTERYGIUM Mitten 
ISOPTERYGIUM ALBESCENS (Schwaegr.) Jaeg. 
Luzon, Subprovince of Benguet, Bur, Sci. 12938 Fenix. Negros, Canlaon 
Volcano, on trees, altitude about 2,000 m, Merrill 6818. 
PLAGIOTHECIUM BryoL eur. 
+ 
PLAGIOTHECIUM MIQUELII (BryoL jav.) Broth. 
Luzon, Province of Cagayan, For. Bur, 166^5 Curran. Poullo, Bur. ScL 
10512, 10520 McGregor, 
PLAGIOTHECIOPSIS Brotherus genus novum 
PLAGIOTHECIOPSIS PHILIPPINENSIS Broth, sp. nov. 
Autoicum; robustiusculum, caespitosum, caespitibus laxius- 
culis, mollibus, viridibus, nitidiusculis ; caulis elongatus, repens, 
per totam longitudinem hie illic fasciculatim fusco-radiculosus, 
dense et complanate foliosus, dense pinnatim ramosus, ramis 
patulis, valde complanatis, dense foliosis, plerumque brevibus, 
vix ultra 5 mm longis, simplicibus, singulis longioribus, pinnatim 
ramulosis ; folia lateralia patula, concava, ovalia, apiculata, apice 
denticulata, dorsalia et ventralia minora et angustiora, breviter 
lanceolato-acuminata, enervia, cellulis laxis, superioribus ovali- 
hexagonis, dein sensim longioribus; bracteae perichaetii intemae 
erectae, e basi semivaginante sensim longe lanceolato-acuminatae, 
subintegrae; seta 1.2-2 cm alta, tenuis, flexuosula, rubra; 
theca suberecta vel inclinata, paulum asymmetrica, cylindra- 
cea, brevicollis, leptodermis, pallide fuscidula; annulus angustus; 
exostomii dentes sicci e basi reflexa circinato-incurvi, anguste 
lanceolato-subulati, c. 0.55 mm longi et c. 0.05 mm lati, lutei, 
