(VOL.VI, i92i) FRANZ STEPHANI. SPECIES HEPATICARUM Ma.Uigobryum. 



margine infero arcte incurvo, opposita, amphigastrio utrinque coa- 

 lita, in plano ovato-oblonga, apice apiculata, sub apice remote 

 valideque dentata. Cellulse foliorum superae 20 x 20 fx, basales 

 20x25(jL, trigonis ubique parvis. Amphigastria magna, caule sub- 

 triplo latiora, obovato-obconica, apice rotundata valideque den- 

 tata, inferne nuda. 



Hab. Nova Guinea (Ledermann legit). 



441. Mastigobryum Novae Guinae St. 



Sterilis majuscula flaccida dilute rufo-brunnea, in cortice dense 

 depresso-csespitans lateque expansa. Caulis ad 10 cm. longus, 

 parum longeque ramosus, ramis late divergentibus, saepe ex apice 

 furcatus. Folia caulina parum imbricata, subrecte patula, parum 

 concava, in plano ovato-trigona, apice rotundata, quinquespinosa. 

 Cellulas f oliorum superae 20 x 20 (x, trigonis nullis, basales 20 x 30 (x, 

 trigonis parvis. Amphigastria caulina maxima, uno latere cauli 

 anguste connata, profunde sinuatim inserta, circumcirca irregula- 

 riter spinosa. 



Hab. Nova Guinea (Ledermann legit). 



442. Mastigobryum palmicolum St. 



Sterilis major rigidula, pallide virens, in cortice pulvinatim 

 csespitans lateque expansa. Caulis ad 4 cm. longus, dense longeque 

 ramosus, ramis oblique patulis. Folia caulina oblique patula, ar- 

 cuata, parum concava, in plano ovato-triangulata, margine supero 

 e basi rotundata stricto infero leviter sinuato, apice angusta, quam 

 basis quadruplo angustiora, marginibus minute dentatis, inferne 

 crenulatis vel nudis. Cellulse foliorum superse 15xl5(j„ trigonis 

 majusculis acutis, basales 20x30 (jl, trigonis similibus. Amphigasiria 

 caulina magna, folio duplo angustiora, reniformia, apice truncato- 

 rotundata, crenulata. 



Hab. Nova Guinea (Ledermann legit). 



443. Mastigobryum ribehanum St. 



Sterilis magna, valida, brunnea, setate fusca. Caulis ad 10 cm. 

 ongus, regulariter remoteque pinnatus, ramis 15 mm. longis, 

 oblique patulis, hic illic brevioribus. Folia caulina conferta, oblique 

 patula, canaliculatim concava, in plano oblongo-trigona, basi 

 utrinque longe decurrentia, superne angusta, denticulata, margine 

 supero inferne crenulato, superne remote dentato, margine infero 

 arcte incurvo minuteque dentato. Amphigastria sparsa, pusilla, 



488 



