(VOL.VI, 1924) FRANZ STEPHANI. SPECIES HEPATICARUM Mastigobryum. 



integeirimis. Cellulae superae 36 x 36 (x, trigonis nodulosis giganteis. 

 Amphigastria caulina magna 0,83 mm. longa et lata, apice subtrun- 

 cata, repanda, interdum plus minus profunde inciso-lobata. 

 Hab. Insula Trinidad (Criiger legit). 



427. Mastigobryum typicum St. n. sp. 



Sterilis mediocris rigida, pallide flavo-virens. Caulis ad 2 cm. 

 longus, parum longeque ramosus, flagellis brevissimis. Folia 

 caulina imbricata, recte patula, parum concava, in plano ligulata 

 (3 mm. longa, 1,75 mm. lata) subsymmetrica, margine supero e 

 basi late rotundata substricto, margine m/ero stricto, apice recte 

 truncata, inciso-triloba, lobis regulariter triangulatis acutis, por- 

 rectis. Cellulse superae 18 x 18 (x, basales 18 x36 (x, trigonis subnullis. 

 Amphigastria caulina parva, cauli aequilata, parum latiora quam 

 longa, transverse inserta, circumcirca repando-lobata, lobis in- 

 terdum acutis irregulariter denticulatis. Reliqua desunt. 



Hab. Java (Fleischer legit). 



428. Mastigobryum upolense St. n. sp. 



Sterilis mediocris flaccida, pallide rufo-brunnea, corticola. Caulis 

 ad 25 mm. longus, regulariter furcatus, ramis 1 cm. longis, flagellis 

 sparsis longis. Folia caulina conferta, recte patula, parum concava, 

 in plano oblonga, leviter falcata (1,5 mm. longa, medio 0,9 mm. 

 lata) brevi basi inserta, margine supero basi valde arcuato superne 

 stricto, margine infero leviter sinuato, apice recte truncato (0,5 

 mm. lata) triangulata, sinubus minute denticulatis. Cellulae su- 

 perae 18xl8(x, trigonis majusculis, basales 27x36(i, trigonis 

 magnis acutis. Amphigastria caulina parva, cauli vix aequilata 

 (0,5 mm. longa et lata) transverse inserta, apice truncato-rotundata, 

 marginibus ubique repandis, hic illic obtuse denticulatis. 



Hab. Samoa (Rechinger legit). 



429. Mastigobryum varians St. n. sp. 



Sterilis minor rigidula, flavicans, corticola. Caulis ad 15 mm. 

 longus, regulariter furcatus, ramis ad 8 mm. longis, flagellis bre- 

 vibus sparsis. Folia caulina conferta, oblique patula, parum con- 

 cava, in plano oblongo-falcata (1,5 mm. longa, medio 0,75 mm. 

 lata) brevi basi inserta, asymmetrica, margine supero longe arcuato, 

 infero substricto, apice oblique truncata (0,5 mm. lata) grosse 

 tridentata, dentibus triangulatis acutis, late divergentibus. Cellulae 

 superae 36 x 36 [i, trigonis maximis acutis, basales 36 x 54 (ji, trigonis 



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