Masligobryum. franz stephani. species iiepaticarum (Vol.VI, 4924) 



expansa. Caulis ad 6 cm. longus, regulariter breviterque pinnatus, 

 rarius bipinnatus, flagellis sparsis brevissimis. Folia caulina im- 

 bricata, recte patula, parum concava, in plano oblonga (1,9 mm, 

 longa, supra basin 1 mm. lata) asymmetrica, basi oblique truncata, 

 margine supero quam inferus multo longiore, e basi breviter rotun- 

 data longe arcuato, margine infero substricto, apice truncato 

 (0,33 mm. lata) minute tridentato, sinubus substrictis. Cellulae 

 superae 18x27 fx, trigonis subnodulosis, parietibus validis, basales 

 18x45 [x, trigonis grosse nodulosis, parietibus tenuibus. Amphi- 

 gastria caulina maxima, subrotunda (1 mm. longa, 1,17 mm. lata) 

 profunde sinuatim inserta, apice retusa, angulis obtusis. 

 Hab. Hawai (Rock legit). 



413. Mastigobryum rudimentare St. n. sp. 



Dioica mediocris, rigidissima, dilute brunnea, rupicola. Caulis 

 ad 25 mm. longus, validus, sparsim longeque ramosus, ramis hic 

 illic pinnula auctis, flagellis numerosis foliiferis. Folia caulina re- 

 motiuscula, hamata, canaliculatim concava, in plano obovata 

 (0,83 mm. longa, medio 0,5 mm. lata) subsymmetrica, apice obtusa 

 vel acuta vel apiculata. Cellulse. superge 18xl8[x, basales 18x27 

 (jL vel 18x36 fx trigonis giganteis nodulosis. Amphigastria caulina 

 lingulata, foliis subsequilonga, triplo longiora quam lata, apice 

 obtusa, in situ similiter canaliculata recteque patula. Perianthia 

 (sterilia) cupulata, ore amplo, dense longeque pilosa, pilis insequa- 

 libus porrectis. Folia floralia intima perianthio sequilonga, lanceo- 

 lata (1,83 mm. longa, medio 0,67 mm. lata) apice ad 1/3 inciso- 

 trifida, laciniis setaceis porrectis. Amphigastrium florale intimum 

 foliis floralibus sequilongum, simillimum, parum angustius apiceque 

 bifidiim. Androecia desunt. 



Hab. Honolulu (Fleischer legit). 



414. Mastigobryum rupicolum St. n. sp. 



Sterilis major, fusco-brunnea, rigida, rupicola. Caulis ad 4 cm. 

 longus, parum longeque ramosus, validissimus, flagellis longis, 

 numerosis. Folia caulina imbricata, recte patula, parum concava, 

 in plano ovato-oblonga (4,5 mm. longa, supra basin 2,5 mm. lata) 

 asymmetrica, margine supero e basi semicirculari, leviter arcuato, 

 infero stricto, apice 0,5 mm. lata, truncata, inciso-trilobata, lobulis 

 aequalibus, anguste triangulatis 0,4 mm. longis, cuspidatis. CeLlulx 

 superse 27 x 27 (x, trigonis magnis acutis, basales 36 x 45 \x, trigonis 



479 



