(VOL.VI, I924j FRANZ STEPHANI. SPECIES IIEPATICAKUM M asUgobryum . 



402. Mastigobryum orientale St. n. sp. 



Sterilis major flaccida, pallide virens, corticola. Caulis ad 4 cm. 

 longus, parum longeque ramosus. Folia caulina contigua, recta 

 patula, parum concava, in plano late ligulata lcviterque falcata 

 (3,5 mm. longa, ubique 1,5 mm. lata) apice recte truncata, grosse 

 trilobata, lobis porrectis, late triangulatis acutis subaequalibus. 

 Cellulx superae 18x18 \x, parietibus crassis, basales 36 x 45 {x, tri- 

 gonis magnis acutis. Amphigastria caulina magna, caule duplo 

 latiora, retangulata (1 mm. longa et lata) circumcirca irregula- 

 riter breviterque inciso-lobata, lobulis angustis, acutis vel obtusis, 

 aliis latis apiceque obtusis vel rotundatis. 



Hab. India Orientalis (Andre legit). 



403. Mastlgobryiim Paeifieum St. n. sp. 



Sterilis parva rigida, dilute brunnea, apicibus virescentibus. 

 Folia caulina conferta, oblique patula, parum concava, in plano 

 ligulaia leviterque falcata (1,5 mm. longa, 0,7 mm. lata) apice 

 truncata, emarginato-tridentata, dentibus validis sequalibus. Cel- 

 lulse superae 27 x 27 y., trigonis parvis, basales 27 x 54 (x, trigonis nullis, 

 parietibus validis. Amphigastria caulina cauli sequilata, subrectan- 

 gulata, parum latiora quam longa, apice repanda, angulis obtusis. 



Hab. Honolulu (Fleischer legit). 



404. Mastigobryum pallidum (Mitten) St. 

 Syn. : Bazzania pallida Mitt. Flora Viti. 



« Caulis dichotomus, arcuatus, decurvatus, folia divaricata, 

 devexa, ovato-ligulata, apice abrupta tridentata, basi anguste 

 cum amphigastrio quadrato-rotundato apice subcrenato coalita. 

 Caulis 2 uncias longus, folia pallide viridia subglauca ». 



Hab. Samoa (Diagnosis auctoris). 



405. Mastlgobryum Perrotanum St. n. sp. 



Sterilis mediocris, vaUda, rigidula, flavo-virens. Caulis ad 3 cm. 

 longus, parum longeque ramosus. Folia caulina niaxime conferta, 

 decurva, in plano 2,67 mm. longa, basi 1,67 mm. lata, leviter fal- 

 cata, apice truncata, 1 mm. lata, tridentata, dentibus regulariter 

 breviterque denticulatis, sub apice similiter armatis. Cellulse 

 superae 27 x 54 \x, trigonis magnis, basales 36 x 63 jx, trigonis 

 maximis. Amphigastria magna, in plano 1,5 mm. lata, 1 mm 

 longa, sinuatim inserta, circumcirca repanda vel varie brevi- 

 terque lobulata ; cellulae. centrales bene incrassatae, marginales 



476 



