854 bulletin de l'herbier boissier (2™ ser.). 1908 Mastigobryum. 



gerrima, sub apice minule dentala, apice late truncato trispinoso, spinis 

 validis ssepe divergenlibus, sinubus spinisque denticulalis. Cellulae superae 

 18 basales 27 X 45 trigonis nodulosis basi validioribus. Amphigas- 

 tria caule latiora, transverse inserta, utrinque foliis sat late coalita, apice 

 arcte recurva varie repanda celerum 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-caespitosa. Canlis ad 6 cm. longus crassus, rigi- 

 dus parum iongeque 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 tridentata, dentibus triangulatis porrectis 

 acutis denticulatis, sinubus excisis ut margo posticus minute dentatis, 

 margine antico quidem integerrimo, Cellulx superae 18 p. validissimee, 

 basales 27X54{a trigonis magnis acutis. Amphigastria maxima, foliis 

 ulrinque breviter coalila 0,65 mm. lala, quadrato-rotundata, margine bre- 

 viter irregulariterque dentata vel duplicalim dentala, 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, truncala grosse tridentata, dentibus plus 

 minus late triangulatis (in planta paupercula subintegris). Cellnlae superse 

 18 {x parietibus-validis aqualiler incrassatis, basales 27X54 {j. trigonis 

 magnis subnodulosis. Amphigaslria magna eaule duplo vel triplo latiora, 

 foliisplus minus late coalita, subquadrata vel laliora quam longa, apice 

 late truncato repando-denlato vel irregulariler spinuloso. 

 156. Mastigobryum laceratum St. n. sp. 

 Planta mediocris dilule olivacea flaccida in cortice dense c^spitosa. 

 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, optime decurva, in plano oblonga, basi 0,8 mm. 

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

 trifida, laciniis lanceolatis acuminatis porrectis eequalibus paucidenlatis, 

 478 



