Lejeunea. FRANZ stepiiani. species iiepaticarum (Vol. V, 1915). 



99. Lejeunea setiloba. S. Hep. Am. And. p. 281. 



Monoica pusilla, tlavo-rufescens, in cortice caespitans. Caiilis ad 

 8 mm. longus, parum longeque ramosus. Folia caulina contigua, obli- 

 que patula, parum concava, in plano ovata (0,67 mm. longa, medio 

 0, 5 inm. lata) an medium inserta, basi antica truncato-rotundata, apice 

 obtusa, integerrima. Cellulse superae 18X27 [x, basales 18X36 ^, 

 trigonis nullis. Lobulm majusculus (ssepe obsoletus) rectangularis, 

 parum longior quam latus, carina recte patens, substricta, stricte in 

 folium excurrens, apice quam basis vix angustiore, oblique emargi- 

 nato, angulo apiculato. Amphigastria caulina ambitu late obconica, 

 transverse inserta, profunde emarginato-bifida, laciniis setaceis, late 

 divergentibus. Perianthia uno latere innovata, obovata, inflata, apice 

 rotundata, quinqueplicata, plicis posticis angustis, longe decurrentibus, 

 plica antica minus producta, rostro valido. Folia floralia perianthio 

 duplo vel tertio breviora, anguste ligulata, quadruplo longiora quam 

 lata, apice obtusa, lohulus duplo brevior, anguste lanceolatus, ad V^ 

 solutus, acutus vel obtusus. Amphigastrium florale, lobulis sequilon- 

 gum, ligulatum, triplo longius quam latum, ad medium bifidum, sinu 

 angusto obtuso, laciniis anguste lanceolatis cuspidatis acutis porrectis. 

 Andro&cia sessilia, bracteis trijugis. 



Hab. Ftum Amawnas. Manaos. 



100. Lejeunea setistipa. St. Hedw. 1896, p. 93. 



Monoica, parva, hyalina vel flavescens, foliicola. Caulis ad 15 mm. 

 longus, regulariter longeque ramosus. Folia caulina contigua, subrecte 

 patula, parum concava, in plano late ovata, symmetrica (0,75 mm. 

 longa, medio 0,58 mm. lata) an medium inserta, basi antica truncato- 

 rotundata, apice late rotundata. integerrima. Cellulas superae 27X27 jx, 

 basales 27X36 \l trigonis majusculis, in niedium parietum nodulosis. 

 Lobulus parvus, folio quintuplo brevior, subquadratus, carina recte 

 patens, substricta, stricte in folium excurrens, apice quam basis vix 

 angustiore, truncato, angulo apiculato. Amphigastria caulina parva, 

 transverse inserta, profunde emarginato-bifida, disco basali integro 

 humillimo, laciniis setaceis substrictis. Perianthia uno latere innovata, 

 obovata (0,83 mm. longa, medio 0,5 mm. lata) apice leviter obcordata, 

 rostro longo, 5-pIicata, plicis posticis angustis, ad medium decurren- 

 tibus, plica antica subnulla. Folia floralia perianthio duplo breviora, 

 obovato-oblonga, duplo longiora quam lata, apice obtusa vel rotundata, 

 lobulus parum brevior, linearis, ad ^s solutus, setaceus, vel duplo bre- 

 vior, oblongus, apice late truncatus, acutus. Amphigastrium florale, 



759 



