Mastigobryum. franz STErnANi. srECiKS iif:paticarum (Vol.VI, 1924) 



(1,17 mm. lata, 0,75 mm. longa), circumcirca inciso-lobata, lobis 

 brevibus vel obtusis, valde irregularibus, hic illic laceratis vel re- 

 pandis. 



Hab. Nova Caledonia (Franc legit). 



354. Mastigobryum eonfertissimum St. n. sp. 



Dioica magna robusta rigida, flavo-rufescens, muscis corticolis,. 

 consociata. Caulis ad 6 cm. longus, parum longeque ramosus, 

 flagellis valde numerosis brevibus. Folia caulina confertissima, 

 recte patula, canaliculatim concava, in plano anguste oblonga 

 (6,25 mm. longa, supra basin 3 mm. lata) valde asymmetrica, 

 oblique lateque inserta, margine supero e basi breviter rotundata 

 arcuato, superne stricto, margine infero leviter sinuato, apice 

 recte truncato, breviter trifido, laciniis subsequalibus, minute 

 denticulatis, sub apice utrinque similiter dentata. Celluls^ superae 

 27 X 27 [L, trigonis grosse nodulosis, basales 54 x 54 [l, trigonis 

 giganteis truncatis. Amphigastria caulina magna, caule subtriplo 

 latiora, subrotunda, basi utrinque cordatim rotundata, ssepe uno 

 latere folio connata, apice grosse repanda. Folia floralia intima cau- 

 linis multo minora, lanceolata, 3 mm. longa, 1 mm. lata, apice 

 longissime pilosa, sub apice dense irregulariterque spinulosa. Am- 

 phigastrium florale intimum foliis floralibus aequilongum, ovato- 

 oblongum, apice ad 7^ inciso-bifidum, laciniis lanceolatis porrec- 

 tis, cuspidatis, extus dendiculatis, in sinu levibus. Androecia 

 desunt. 



Hab, Samoa (Rechinger legit). 



355. Mastigobryum ereberrimum St. n. sp. 



Sterilis major flaccida, flavicans, gracilis, corticola. Caulis ad 

 4 cm. longus, regulariter bipinnatus, ramis 10 mm. longis, paucis 

 longioribus interjectis, similiter ramosis; flagellis sparsis, longissi- 

 mis. Folia caulina opposita, conferta, subrecte patula, valde cana- 

 liculatim concava, in plano ovato-oblonga (1,5 mm. longa, supra 

 basin 0,83 mm. lata) asymmetrica, margine supero e basi breviter 

 rotundata longe arcuato, infero substricto, leviter repando, apice 

 truncata nuda vel breviter tridentata, vel rotundata medioque 

 apiculato, vel late conica obtusa. Cellulae superae 18 x26fi,, parietibus 

 validis, basames 27 x 36 fx, trigonis magnis acutis, saepe trabecula- 

 tim confluentibus, marginales multo minores. Amphigastria cau- 

 lina majuscula, caule latiora, foliis utrinque breviter connata,^ 



459 



