(VOL. V, 1914). FKANZ STEPHANI. SPECIES IIEPATICAHUM lieclokjeunta . 



I. Africa 



1. Rectolejeunea Santae Mariae St. n. sp. 



Moiioica piisilla, fusco-ljninnea, corticola. Cauliti acl 6 nini. longus, 

 irregulariter iiiultiramosus. Folia caulina irnbricata, recte patula, 

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

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

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

 integerrima. Cellulae superse 18x18 [j., basales 18x27 [i, 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. Amphigastria cauliua majuscula, ovato-elliptica, 

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

 sinu angusto, lobis oblongis acutis porrectis. Perianthia in ramulis 

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

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

 posticis angustis, longe decurrentibus. Folia flomlia perianthio sub- 

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

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

 Amphigastrium florale intimum ligulatum, duplo longius quam latum, 

 apice breviter bifidum, rima angusta, lobis truncatis acutis. Androecia 

 magna, sessilia, bracteis ad 7 jugis, confertis. 



Hab. Madagascar orientalis. 



II. America tropica 



2. Rectolejeunea apiahyna Sl. n. sp. 



Monoica, pusilla, llavescens tlaccida, in cortice ciespitans. C a ulis Rd 

 15 mm. longus, irregulariter multirainosus. Folia caulina contigua 

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

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

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

 Cellulee superae ISXtS [j., basales 18X27 jj. parietibus validis, margi- 

 nales crenatim promiiiula'. Lobulus validus, folio (juadruplo brevior, 

 in situ ovato-oblongiis, in plano lale ovato-lriaiigiilatus, cariua arcuata, 



680 



