(^VoL. IV, 1911.) FRANZ STEPHANI. SPECIES IIEPATICARUM Lejeuneae. 



patula, parum concava, in plano ovato-elliplica (1 mm. longa, medio 

 0,65 mm. lata), apice late rotundata, basi ad medium accreta, basi 

 antica rotundata, caulem tegentia vel parum superantia. Cellulx superad 

 18 |x, basales27X36jj.trigonismajusculis./>o^M/wsmagnus, cylindricus, 

 foiio duplo brevior, recte patens, angustus, tripio longior quam latus, 

 carina substricta, levi sinu in folii marginem excurrens, apice truncatus, 

 angulo acuto vel apiculato. Amphigaslria caulinu majuscula, caulequin- 

 tuplo latiora, subrotunda, sinuatim inserla. Folia floralia caulinis minora, 

 oblonga, apice obtusa vel rotundata, lobulo dupio breviore, anguste 

 lineari, parum soluto, apice rotundato. Amphigastriumflorale {oVmflor. 

 subaequilongum, ligulatum, plus duplo longius quam latum, apice 

 rotundatum. Heliqua desunt. 

 Hab. Nova Caledonia. 



58. Archilejeunea Nymannii St. n. sp. 



Sterilis, major, robusta, fusco-brunnea, rigida, in cortice dense 

 depresso-caespitosa. Caulis ad 3 cm. longus, pauciramosus, tenuis, 

 fuscus. Folia caulina subrecte patula, confertissima, concava, in plano 

 ovata (l,33mm. longa, 0,93 mm. lala), valde asymmetrica, margine 

 postico stricto, antico valde arcuato, apice obtusa vel acuta. Cellulx 

 superae 18X27 (jl, basales 27x4^5}^. trigonis ubique magnis acutis. 

 Lobulus anguste cylindricus, oblique patens, inflatus, attenuatus, carina 

 substricta, recto angulo in folii marginem excurrens, apice oblique 

 truncatus, bidentatus. Amphigastria caulina maxiraa, foliis aiquiraagna, 

 late reniformia, caule octuplo latiora, profunde sinuatim inserta, utrinque 

 breviter decurrentia. 



Hab. Nova Guinea. 



59. Archilejeunea owahuensis (Gottsche ms.) St. 

 Autoica, major et valida, rufescens vel brunneola, in cortice dense 



depresso caespitans. Caulis3id 5cm.iongus, irregulariter pauciramosus. 

 Folia caulina conferta, falcato-patula, valde concava, margine postico 

 arcte incurvo, in plano ovato-oblonga, leviter falcata (1,46 mm. longa, 

 medio 0,8 mm. lata), apice rotundata, brevissima basi inserta. Cellulx 

 superae 27 {j. trigonis raajusculis acutis, in raedio parietuni nodulosis, 

 basales 27X54 {j.trigonis raagnis, saepe trabeculatim elongatis. Lobulus 

 in situ oblongus, seraioccultus, in plano ovatus, carina leviter arcuata, 

 levi sinu in folii marginem excurrens, apice oblique truncato, angulo 

 mamilliformi. Amphigastria cautina caule triplo latiora, subrotunda, 

 transverseinserta, utrinquebreviterdecurrentia. Perianthia pyriforraia, 

 plicis posticis longe decurrentibus, omnibus minute irregulariterque 



730 



