(VOL. V, 191 5). FRANZ STEPHANI. SPECIES HEPATICARUM Microlejeunea. 



mus, folio duplo brevior sed aequilatus, late ovatus, carina saccatim 

 arcuata, levi sinu in folium excurrens, apice quam basis duplo angus- 

 tiore late emarginato, angulo apiculato. Amphigastria caulina majus- 

 cula, transverse inserta, ambitu late obcuneata, profunde lateque 

 emarginata, laciniis lanceolatis apice setaceis late divergentibus. 

 Hab. Samoa. 



IV. Australes et Antarctic*. 



60. Microlejeunea Wattsiana. St. 



Dioica parva, pallide virens, in cortice csespitans. Caulis ad 15 mm. 

 longus, irregulariter breviterque pinnatus. Folia caulina parva, imbri- 

 cata, subrecte patula, parum concava, in plano ovata, optime symme- 

 trica (0,83 mm. longa, medioO,67 mm. lata) apice rotundata vel obtusa, 

 brevi basi inserta, basi antica sinuata, integerrima. Cellutm superse 

 27x27 {ji, basales 36x45 ji, trigonis parvis, in medio parietum nodu- 

 losis. Lobulus majusculus, folio quadruplo brevior, in situ ovatus, in 

 plano ovato-triangulatus, carina arcuata, oblique adscendens, levi sinu 

 in folium excurrens, apice quam basis duplo angustiore, oblique trun- 

 cato vel subemarginato, angulo apiculato. Amphigastria caulina majus- 

 cula, caule triplo latiora, transverse inserta, fere ad basin inciso-bifida, 

 sinu recto, laciniis anguste lanceolatis, acutis, leviter divergentibus. 

 Androecia exigua, sessilia, bracteis bijugis. Reliqua desunt. 



Hab. Australia orientalis. New-South Wales. 



61. Microlejeunea albo-virens. (Tayl.) St. 

 Jungermannia albo-virens. Tayl. J. of Bot. 1844, p. 397. 

 Lejeunea albo-virens. Tayl. Syn. Hepat., p. 387. 



Dioica parva rigidula, pallide virens vel rufescens rarius brunnea. 

 Caulis ad 2 cm. longus, irregulariter longeque ramosus. Folia caulina 

 irabricata, oblique patula, valde concava, in plano late ovato-trigona 

 (0,41 mm. longa, basi 0,41 mm. lata) symmetrica, margine infero 

 sinuato, supere late rotundato, apice rotundata, ad medium accreta, 

 basiantica longe truncata. Cellulse supere 18X18 ji, basales 18X27 jx 

 trigonis majusculis. Lobulus maximus, ovatus, folio tertio brevior, 

 carina oblique adscendens, valde arcuata, amplo sinu in folium excur- 

 rens, apice quam basis duplo angustiore, oblique emarginato, angulo 

 apiculato. Amphigastria caulina minima, cauli ajquilata, late ovata, 

 transverse inserta, ad l fa inciso-biloba, rima angusta, lobis triangulatis 

 834 



