854 BULLETiN DK l'hkrbikr BoissiER (2™« SER.). 1908 Mastigobryum. 



gerriraa, sub apice minule dentala, apice lale Iruncato trispinoso, spinis 

 validis saspe divergentibus, sinnbus spinisque denticulatis. Cellulae superae 

 18 (X, basales 27 X 45 |jL trigonis nodulosis basi validioribus. Amphigas- 

 tria caule laliora, transverse inserta, ulrinque foliis sat late coalita, apice 

 arcte recurva varie repanda celerum integerrima. 

 Hab. Samoa (Powell, Rechinger). 



154. Mastigobryum elegans Colenso in lit. 



Planla major pallide-virens vel flavo-virens, in umbrosis fusco-viridis, 

 in cortice dense depresso-caespitosa. Canlis ad G cm. longus crassus, rigi- 

 dus parum longeque furcatus, flagellis validis loiigiusculis. Folia caulina 

 2,8 mm. longa, imbricata recle patula valde deflexa, in plano late ovata 

 subsymmetrica , margine antico quam posticus magis arcuato. basi 

 2,4 mm. apice 0,8 mm. lata Iridentata, dentibus triangulalis porrectis 

 acutis denticnlatis, sinubus excisis ut margo posticus minule dentatis, 

 margine antico quidem integerrimo, Cellulae supera3 18 |jl validissimse, 

 basales 27X54|jl Irigonis magnis acutis. Amphigastria maxima, foliis 

 utrinque breviter coalila 0,65 mm. lata, quadrato-rotundata,margine bre- 

 viter irregularilerque dentata vel duplicatim dentata, apice plus minus 

 breviter lobata, lobis paucispinosis. 



Hab. New Zealand (Colenso, Beckett, Kirk); Tasmauia (Macgregor, 

 Weymouth); Victoria (Watts, Schauinsland). 



155. Mastigobryum Bayleyanum St. n. sp. 



Planta mediocris olivacea, valida, Leucobryo consociata. Canlis ad 5 cin. 

 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 parnm falcata, oblonga, basi 

 0,7 mm. apice 0,5 nim. lata, Iruncata gros.se Iridentata, dentibus plus 

 minus late triangulalis (in planta paupercula subintegri.s), Ce/////a? superae 

 18 [X parietibus validis sequaliter incrassatis, basales 27X54 (jl Irigonis 

 magnis subnodulosis. Aiiiphigastria niagna caiile diiplo \el triplo latiora, 

 foliis plus minus late coalita, subquadrala vel laliora qiiani longa, apice 

 late truncato repando-denlato vei irregulariter spinuloso. 



156. Mastigobryum laceratum St. n. sp. 



Planla mediocris diliile olivacea flaccida in corlice dense caespitosa. 

 Canlis ad 4 cm. longiis pallidus debilis validus regulariter furcatus, fla- 

 gellis sparsis brevibiis lenuibus. Folia caulina 1,46 mm, longa, imbricata 

 recte patula concava. optime decurva, in plano oblonga, basi 0,8 mm. 

 apice 0,5 mm. lala, inrerne integra superne denticulata apice profunde 

 trifida, laciniis lanceolatis acuminatis porrectis aequalibus paucidentalis, 



478 



