(VOL. V, 1913). FRANZ STEPHANI. SPEClES HEPATICARUM Prionolejeunea. 



longus, regulariter remoteque pinnulatus. Folia caulina recte patula, 

 parum imbricata, leviter concava, late ovata (0,9 mm. longa 0,6 ram. 

 lata) svmmetrica, acuta vei apiculata, brevissima basi inserta, basi 

 antica rotundata, ubique dense regulariterque crenata. Cellulae superse 

 27 {x trigonis parvis, basales 36 [x Irigonis magnis; cuticula minute 

 aspera. Lobulus majusculus, foiio triplo brevior, oblongus, mllatus, 

 oblique adscendens; carina bene arcuata, sinu profundo in folium 

 excurrens, apice plano, quam basis triplo angustiore, truncato, angulo 

 acuto, sub apice leviter constrictus. Amphigastria caulina magna caule 

 triplo latiora, subrotunda, transverse inserta, ad medium biioba, sinu 

 subrecto obtuso, lobis trianguiatis porrectis acutis integerrimis. 

 Hab. Nova Guinea, Moroka. 



57. Prionolejeunea Hartlessiana St. n. sp. 



Monoica, mediocris, gracilis, flavescens, flaccida, corticola. Caulis ad 

 3 cm. longus, remote breviterque pinnulatus, ramis longioribus inter- 

 jectis, sirailiter pinnatis. Folia caulina parura inibricata, recte patula, 

 concava apiceque decurva, in piano ovato-oblonga (1,17 ram. longa, 

 0,75 rara. lata) grosse apiculata, brevissiraa basi inserta, basi antica 

 longe truncata, raarginibus superis grosse crenatis. Cellulse superae 27 {i, 

 basales 36 X ^•S |i, trigonis magnis acutis, cuticula aspera. Lobulus 

 raajusculus, folio quadruplo brevior, ovatus, recte patens, carina 

 arcuata, sinu profundo in foliura excurrens, apice quam basis duplo 

 angustiore, oblique truncato, sub apice profunde constrictus. Amphi- 

 gastria caulina majuscula, caule duplo latiora, cordiformia, profundis- 

 sirae eraarginato-biloba, lobis anguste triangulatis, acurainatis acutis, 

 in sinu levibus, extus crenatis, basi optime cordata, alis late rotun- 

 datis. Perianthia parva (1 mm. longa) late pyriforraia, marginibus 

 leviter crenatis, rostro breviusculo, valido. Folia floralia perianthio 

 subduplo breviora, oblonga, acuta, crenata, lobulo sequilongo, lanceo- 

 lato; acuminato, integro, ad mediura soluto. Amphigastrium florale 

 foliis flor. aequilongum, ellipticum, duplo longius quara latum, ad 

 ^/3 inciso-bilobatura, lobis anguste triangulatis, acuniinatis, riraa 

 angusta, raarginibus ubique crenatis. Andrcecia exigua, sessilia, brac- 

 teis paucijugis. 



Hab. Sikkim Himalaya. 



58. Prionolejeunea pulla (Mitten) St. 



Syn. : Lejeunea pullu Mitten. Proc. Linn. Soc. 1861, p. 116. 

 Sterilis, exigua, flavo-rufescens, rauscis consociata. Caulis ad 6 cra. 

 longus, regulariter pinnatus, ramis longioribus interjectis sirailiter 



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