(VoL.VI, 1924) FRA.NZ STEPHANi. SPECIES HEPATICARUM Mastigobryum. 



351. Mastigobryum columbicuin St. n. sp. 



Sterilis mediocris flaccida, flavo-rufescens, in rupibus pulvinatim 

 ciEspitans. Caulis ad 3 cm. longus rcgulariter furcatus, ramis 

 10 mm. longis, flagellis sparsis brevibus. Folia caulina contigua, 

 recte patula, canaliculatim concava, in plano ovato-trigona (1,5 

 mm. longa, basi 1,1 mm. lata) asymmetrica, margine supero e basi 

 rotundata longe arcuato, infero leviter sinuato vel stricto, apice 

 oblique truncata (0,33 mm. lata) tridentata, dentibus acutis, in- 

 ffiqualibus, medio vulgo multo validiore. Cellulx superse 27x27 (j,, 

 basales 27x45(x, trigonis ubique sequalibus magnis. Amphigastria 

 caulina magna, parum longiora quam lata (0,75 mm. longa, medio 

 0,67 mm. lata) transverse inserta, apice truncata, tri vel quadriloba, 

 lobulis brevissimis rotundatis. 



Hab. Columhia (Irmscher legit). 



352. Mastigobryum conistipulum St. n. sp. 



Sterilis major rigida, flavo rufescens, corticola. Caulis ad 5 cm. 

 longus, validus, regulariter furcatus, ramis 15 mm. longis, flagellis 

 valde numerosis longiusculis. Folia caulina conferta, recte patula, 

 valde falcata, canaliculatim concava, in plano anguste oblongo (4 

 mm. longa, supra basin 2 mm. lata) asymmetrica, margine supero 

 e basi late rotundata longe arcuato, infero profunde sinuato, apice 

 recte truncata, 0,75 mm. lata, breviter inciso-triloba, lobis late 

 triangulatis apiculatis, minute denticulatis. Cellulx superse 36x36 

 (X, basales 27x45[jl, trigonis magnis, acutis. Amphigastria caulina 

 magna (0,83 mm. longa et lata) plus minus conica, marginibus 

 repandis vel breviter inciso-Iobulatis. 



Hab. Novse Hebridx (Dr Gunn legit). 



353. Mastigobryum consociatum St. n. sp. 



Sterilis mcdiocris rigida, fusco-brunnea, apicibus virescentibus. 

 Caulis ad 3 cm. longus, dense longeque pinnatus, pinnis semper 

 unilateralibus. flagellis valde numerosis brevibus. Folia caulina 

 confertissima, oblique patula, parum concava, in plano ovato- 

 oblonga, (1,67 mm. longa, medio infero 1 mm. lata) subsymmetrica, 

 margine supero longe arcuato, infero substricto, apice late truncata, 

 breviter tridentata, marginibus superis ubique dense minuteque 

 denticulatis. Cellulx superae 18x36(x, parietibus validis, in vitta 

 basali 27x54[x, trigonis magnis nodulosis, in parietibus validis. 

 Amphigastria caulina magna, latiora quam longa, subrectangulata 



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