332 bulletin de l'herbier boissier. Riccia. 



Osliola cT longe prominentia, magna. Spores (perfecte maturas haud 

 vidi) 119 |x, fuscescentes teste Taylori, reticulatim lamellatas; foveolis 

 12 [i, breviler papillatis. 



Hab. Australia. Swan River (Drummond). 



51. R. rubrispora St. n. sp. 



Dioica, major. Frons 10-15 mm. longa, 2 mm. lata, simplex vel furcala, 

 furcis recto angulo divergentibus, canaliculatis, sulcus nullus, nisi ad 

 jpsam apicem plantes. Ales versus marginem attetmatœ, ipso margine 

 acutse atropurpurese. Squames renioliusculas, subatras, brèves et mar- 

 ginem frondis haud attingentes, integerrimes. Costa valde incrassala, 

 Strato aërifero triplo altior, in apice frondis in alas abrupte transiens, in 

 medio plantée latior, postice late plano-convexula , laleribus oblique 

 adscendentibus sensimque in alas excurrentibus. Sectio transversa 

 plantes itaque triplo latior quam alla, postice leniter concava, lateribus 

 oblique adscendentibus, angulis in acumen cuspidatum oblique patulum 

 protractis, antice late lunata. Andrcecia ignola. Flores 9 numerosi, dis- 

 persi, pistilla longissime exserta. Sporaa 70 ji, purpurœ, vel subviolaceae, 

 laxe reticulatim lamellatœ, lamellis valde regularibus, sequialtis, e basi 

 latiore attenuatis, alveolos concavos includenübus, papillis angularibus 

 subnullis. 



Hab. Australia centralis. Askariaga. Eider Explor. Exped. (Helms.). 



52. R. marginata Garr. et P. Linn. Soc. N. S. Wales. 1887, p. 1056. 

 Dioica, major, fusco-viridis, intra margines purpureo-maculata ; frons 



usque ad 15 mm. longa, plus 2 plo latior quam crassa profunde furcata, 

 furcis minus divergentibus, late ligulatis, profunde bilobis, lobis conni- 

 vente-tectis, antice planis (in furcis junioribus parum concavis); costa 

 duplo angustiore, valde producta, postice plano-convexa, lateribus alte 

 adscendentibus abrupte in margines attenuatos abeuntibas; squamee 

 posticae magnas, hyalin» vel purpureo-notatas, marginem frondis haud 

 superantes. Spores 110 {i, anguste alates, reticulatim lamellatee. 

 Hab. Australia. New-South Wales, Paramatta (Whitelegge). 



53. R. bulbifera St. n. sp. 



Monoica? major, flavo-virens. Frons usque ad 25 mm. longa, angusta, 

 repetito furcata, furcis longis, ligulatis, versus apicem ample canaliculatis, 

 celerum planis, marginibus tenuibus; costa sat producta; frondis Sectio 

 transversa itaque 3 plo latior quam alta, antice plana, postice late lunata 



24 



