(VOL. V, 1915). FRANZ STEPHANI. SPECIES HEPATICARUM Microkjeunea. 



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, ainbitu iate obcuneata, profunde lateque 

 emarginata, laciniis lanceolatis apice setaceis late diveigentibus. 

 Hab. Samoa. 



IV. Australes et Antarctics. 



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. Cellulae superae 

 27x27 jj., basales 36X45 ij,, trigonis parvis, in medio parietum nodu- 

 losis. Lobulvs 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. 

 Andracia exigua, sessilia, bracteis bijugis. Reliqua desunt. 



Hab. Australia orientalis. New-South Wales. 



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

 Jungermannia albo-virens. Tayl. .1. 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 

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

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

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

 basi antica longe truncata. Cellulx supere 18x18 {j,, basales 18X27 {j. 

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

 carina oblique adscendens, valde arcuata. amplo sinu in foliuin excur- 

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

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

 transverse inserta, ad Vs inciso-biloba, rima angusta, lobis triangulatis 



834 



