854 BULLETIN DE L'HERBIER BOISSIER (2me séR.). 1908 Mastigobryum. 
gerrima, sub apice minute dentata, apice late truncato trispinoso, spinis 
validis sæpe divergentibus, sinubus spinisque denticulatis. Cellulæ superæ 
18 y, basales 27 X 45 y trigonis nodulosis basi validioribus. Amphigas- 
tria caule latiora, transverse inserta, utrinque foliis sat late coalita, apice 
arcte recurva varie repanda ceterum integerrima. 
Hab. Samoa (Powell, Rechinger). 
154. Mastigobryum elegans Colenso in lit. 
Planta major pallide-virens vel flavo-virens, in umbrosis fusco-viridis, 
in cortice dense depresso-cæspitosa. Caulis ad 6 cm. longus crassus, rigi- 
dus parum longeque furcatus, flagellis validis longiusculis. Folia caulina 
2,8 mm. longa, imbricata recte patula valde deflexa, in plano late ovata 
subsymmetrica, margine antico quam posticus magis arcualo. basi 
2,4 mm. apice 0,8 mm. lata tridentala, dentibus triangulatis porrectis 
acutis denticulatis, sinubus excisis ut margo posticus minute dentatis, 
margine antico quidem integerrimo, Cellulæ superæ 18 y validissimæ, 
basales 27 X 54 y trigonis magnis acutis. Amphigastria maxima, foliis 
utrinque breviter coalita 0,65 mm. lata, quadrato-rotundata, margine bre- 
viter irregulariterque dentata vel duplicatim dentata, apice plus minus 
breviter lobata, lobis paucispinosis. 
Hab. New Zealand (Colenso, Beckett, Kirk); Tasmania (Macgregor, 
Weymouth); Victoria (Watts, Schauinsland). 
155. Mastigobryum Bayleyanum St. n. sp. 
Planta mediocris olivacea, valida, Leucobryo consociata. Caulis ad 5 cm. 
longus regulariter furcatus, tenuis fuscus validus tenax, flagellis validis 
brevibus numerosis, Folia 1,5 mm. longa, imbricata, subrecte patula, sub- 
plano-disticha, dorso breviter inserta parum falcata, oblonga, basi 
0,7 mm. apice 0,5 mm. lata, truncata grosse tridentata, dentibus plus 
minus late triangulatis (in planta paupercula subintegris). Cellulæ superæ 
18 y parietibus validis æqualiter incrassatis, basales 27 X 54 y trigonis 
magnis subnodulosis. Amphigastria magna caule duplo vel triplo latiora, 
foliis plus minus late coalita, subquadrata vel latiora quam longa, apice 
late truncato repando-dentato vel irregulariter spinuloso. 
156. Mastigobryum laceratum St. n. sp. 
Planta mediocris dilute olivacea flaccida in cortice dense cæspitosa. 
Caulis ad 4 cm. longus pallidus debilis validus regulariter furcatus, fla- 
gellis sparsis brevibus tenuibus. Folia caulina 1,46 mm, longa, imbricata 
recte patula concava, oplime decurva, in plano oblonga, basi 0,8 mm. 
apice 0,5 mm. lata, inferne integra superne denticulata apice profunde 
trifida, laciniis lanceolatis acuminatis porrectis æqualibus paucidentalis, 
478 
