Mastigobryum. FRANz stephanj. sfecies hepaticarum (Vol VI, 1924) 



Cellulas superse 18 x 18(ji, trigonismajusculis, parietibus validis, basales 

 27 X 45 (X, trigonis magnis acutis, parietibus tenuibus. Amphigastria 

 caulina magna, caule subduplo latiora, canaliculatim concava, in 

 plano subquadrata, apice leviter retusa, angulis rotundatis, 

 Hab. Sumatra (Weigel legit). 



418. Mastigobryum subligulatum St. n. sp. 



Sterilis magna gracilis fragillima flaccida, virens vel flavicans, 

 aetate brunnea. Caulis ad 7 cm. longus, parum longeque ramosus, 

 ramis 2 cm. longis ; flagellis subnuUis. Folia caulina ligulata, in 

 plano leviter falcata (2,17 mm. longa, ubique 0,9 mm. lata) apice 

 truncata, emarginato-tridentata, dentibus brevibus triangulatis, 

 acutis vel apiculatis. Cellulse superse 27 x 27 fx, basales 27 x 54 jx, 

 trigonis parvis. Amphigastria caulina parva, cauli vix aequilata, 

 plano-appressa, subquadrata, marginibus repandis. 



Hab. Sumatra. 



419. Mastigobryum subsandei St. n. sp. 



Sterilis major, rufo-brunnea, flaccida. Caulis ad 4 cm. longus, 

 irregulariter breviterque pinnatus, flagellis longissimis numerosis, 

 interdum ex apice ramorum ortis. Folia caulina conferta, decurvo- 

 homomalla, in plano oblongo-triangulata (1,67 mm. longa, supra 

 basin 1 mm. lata) asymmetrica, margine supero e basi rotundata, 

 leviter arcuato, infero substricto, apice quam basis triplo angustiore, 

 trifido, laciniis anguste triangulatis porrectis cuspidatis, medio 

 validiore. Cellulx superse 27 x 27 (x, trigonis giganteis, parietibus 

 validissimis, basales 27 x 54 (x, trigonis maximis, parietibus tenui- 

 bus. Amphigastria caulina magna, rotunda (0,83 mm. longa et 

 lata) apice leviter retusa, profunde sinuatim inserta. 



Hab. Honolulu (Fleischer legit). 



420. Mastigobryum Turkheimii Bvrd. n. nov. = M, sylvaticum St. 

 mss., non G. ex St., Sp. Hep. IH [1908] 526. 



Sterilis magna robusta, olivacea, setate rufescens. Caulis ad 11 cm. 

 longus, parum longeque furcatus, ramis ad 3 cm. longis, flagellis 

 sparsis longiusculis. Folia caulina imbricata, recte patula, parum 

 concava, in plano anguste oblonga (4 mm. longa, basi 2 mm. lata) 

 asymmetrica, margine supero e basi breviter rotundata substricto, 

 antico e basi leviter sinuata stricto, apice recte truncata 1 mm. 

 lata, regulariter inciso-triloba, sinubus rectis obtusis, dentibus 

 late triangulatis porrectis acutis, apiculatis. Cellulx superae 27 x 27 



90 j»nvier 1924 481 31 



