(V0L. V, 1913). FRANZ STEPHANI. SPECIES HEPATICARUM Prionolcjeunea. 



longus, regulariter remoteque pinnulatus. Folia caulina recte patula, 

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

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

 antica rotundata, ubique dense regulariterque crenata. Cellulx superae 

 27 (j. trigonis parvis, basales 36 jj. trigonis magnis; cuticula minute 

 aspera. Lobulus majusculus, folio triplo brevior, oblongus, mflatus, 

 oblique adscendens; carina bene arcuata, sinu profundo in folium 

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

 acuto, sub apice leviter constrictus. Anijthinastna i-aulina magna caule 

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

 subrecto obtuso, lobis triangulatis 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 Iongioribus inter- 

 jeetis, similiter pinnatis. Folia caulina parum imbricata, recte patula, 

 concava apiceque decurva, in plano ovato-oblonga (1,17 mm. longa, 

 0,75 mm. lata) grosse apiculata, brevissima basi inserta, basi antica 

 longe truncata, marginibus superis grosse crenatis. Cellulse superae 27 

 basales 36 X 45 [x, trigonis magnis acutis, cuticula aspera. Lobidus 

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

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

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

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

 sinn' t inarginato-biloba, lobis anguste triangulatis, acuminatis acutis, 

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

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

 leviter crenatis, rostro breviusculo, valido. Folia floralia perianthio 

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

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

 foliis flor. sequilongum, ellipticum, duplo longius quam latum, ad 

 A /3 inciso-bilobatum, lobis anguste triangulatis, acuminatis, rima 

 angusta, marginibus ubique crenatis. Andrcetia exigua, sessilia, brac- 

 teis paucijugis. 



Hab. Sikkim Himalaya. 



58. Prionolejeunea pulla (Mitten) St. 



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

 Sterilis, exigua, flavo-rufescens, muscis consociata. Caulis ad 6 cm. 

 longus, regulariter pinnatus, ramis longioribus interjectis similiter 

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