(Vol. V, 1914). franz stephani. species hepaticarum Rectolejeunea. 



I. Africa 



1. Rectolejeunea Santae Mariae St. n. sp. 



Monoica pusilla, fusco-brunnea, corticola. Caulis ad 6 mm. longus, 

 irregulariter multiramosus . Folia caulina imbricata, recte patula, 

 parum concava, in plano subrotunda (0,9 mm. longa, medio 0,75 mm. 

 lata) asymmetrica, margine infero leviter sinuato, supero late rotun- 

 dato, ad medium inserta, basi antica rotundata. apice late rotundata, 

 integerrima. Cellulse supera? 18x18 ji, basales 18X27 trigonis 

 majusculis. Lobulus magnus oblongus, folio duplo brevior, carina 

 oblique adscendens, leviter arcuata, levi sinu in folium excurrens, 

 apice quam basis triplo angustiore, oblique truncato, angulo obtuso, in 

 plano vix diversus, apice quam basis quidem vix angustiore, sub apice 

 haud constrictus. Amphigu.stnn cmilina majiiscnla. ovalo-olliptica, 

 transverse inserta, caule subtriplo latiora, ultra medium inciso-bitida, 

 sinu angusto, lobis oblongis acutis ponvctis. Periauthia in ramulis 

 terminalia, magna, valde compressa, late triangulata (1,17 mm. longa, 

 apice 1 mm. lata) apice late truncato-rotundata, rostro parvo, plicis 

 posticis angustis, longe decurrentibus. Folia floralia perianthio sub- 

 sequilonga, falcato-divergentia, obovato-oblonga, apice rotundata, 

 lobulus tertio brevior, anguste lanceolatus, parum sblutus, obtusus. 

 Amphigastrium florale intimum ligulatum, duplo longius quam latum, 

 apice breviter bifldum, rima angusta, lobis truncatis acutis. Andrcecia 

 magna, sessilia, bracteis ad 7 jugis, confertis. 



Hab. Madagascar orientalis. 



II. America tropica 



2. Rectolejeunea apiahyna St. n. sp. 



Monoica, pusilla, flavescens flaccida, in corticc ciespitans. Caulis ad 

 15 mm. longus, irregulariter multiramosus. Fnlia caulina contigua 

 oblique patula, concava, in plano late ovata, asymmetrica, margine 

 postico stricto, antico valde arcuato (0,6 mm. longa, medio 0,5 riun. 

 lata) apice obtusa, ad medium accivta, basi antica truncato-rotundata. 

 Cetluhe supera? 18X18 [x, basales 18x27 ^ parietibus validis, margi- 

 nales crenatim prominulee. Lobulus validus, folio quadruplo brevior, 

 in situ ovato-oblongus, in ptano late ovato-ti-iangulatus, carina arcuata, 

 680 



