124 FRANZ STEPHANI AND W. W. WATTS. 
trigonis majusculis, acutis. Amphigastria caulina magna, rectang- 
ulata, transverse inserta (0°83 mm. longa, 0°58 mm. lata) margin- 
ibus ubique repandis, apice irregulariter minuteque dentatis. 
Hab. Insulae Novae Hebridae (Aneityum and Futuna): Gunn 
leg. (Watts, 46, 67, 69, etc.) 
Mastigobryum hebridense St., n.sp. 
Sterilis magna robusta rigida, dilute olivacea, corticola. Caulis 
ad 5 cm. longus, parum longeque ramosus, validus. Folia caulina 
imbricata, recte patula, canaliculatim concava, in plano anguste 
ligulata, leviter falcata (4 mm. longa, supra basin 0°5 mm. lata) 
apice oblique truncata, emarginato-triloba, lobis late triangulatis, 
acutis, sparsim minuteque dentatis. Amphigastria caulina magna, 
caule triplo latiora, subquadrata, sinuatim inserta, marginibus 
regulariter breviterque repandis. Cellulae superae foliorum 
27/27p trigonis majusculis acutis, basales 36/54 trigonis maximis 
subnodulosis. 
Hab. Insulae Novae Hebridae (Aneityum): Gunn leg. (Watts, 
59). 
Mastigobryum indigenarum St., n.sp. 
Sterilis mediocris flaccida, dilute flavo-virens. Oaulis ad 4 cm. 
longus, regulariter breviterque pinnatus, ramis longioribus inter- 
jectis similiter pinnatis, flagellis brevibus, sparsis. Folia caulina 
imbricata, oblique patula, parum concava, in plano ligulata 
(1:33 mm. longa, ubique 0°5 mm. lata) leviter falcata, apice 
emarginato-trifida, laciniis angustis porrectis aequalibus, sub apice 
minute crenulata. Cellulae superae 13/13 parietibus validis, in 
vitta 27/36 trigonis majusculis. Amphigastria caulina parva, 
cauli aequilata, subquadrata, apice longe angusteque setacea, setis 
disco subaequilongis, porrectis sub apice utrinque denticulata. 
Hab, Insulae Novae Hebridae(Aneityum): Gunn com. (Watts, 
73.) 
Mastigobryum luzonense St. Aneityum: Gunn, (Hb. 
Watts, 53.) 
