(VOL. V,19U). FRANZ STEPHANI. SPECIES HEPATICARUM Pycnolejeunea. 



antica truncata. CelluUe supera 18x18 ja, basales 27x36 |x, parie- 

 tibus validis, ocelli nulli. Lobulus maximus, folio duplo brevior, in 

 situ linearis triplo longior quam latus, in plano ovato-oblongus, carina 

 leviter arcuata, levi sinu in folium excurrens, apice quam basis sub- 

 duplo angustiore, recte truncato, angulo obtuso, margine supero 

 stricto. Amphigastria caulina magna, late obovata, caule plus triplo 

 iatiora, transverse inserta, basi obcuneata, apice ad V 3 inciso-biloba, 

 sinu angusto, lobis late triangulatis obtusiusculis. Andrazcia parva, 

 sessilia, bracteis 3-4 jugis. Reliqua desunt. 

 Hab. Philippinse Insulse. 



57. Pycnolejeunea Meyeniana (G. Ldbg et Nees) St. 



Syn. : Lejeunea Meyeniana. G. L. et N. Nova Acta Acad. N. Cur. 

 Vol. 19, p. 472. 

 Lejeunea Meyeniana. Nees. Syn. Hep., p. 358. 



Dioica major gracilis brunnea flaccida, foliicola vel aliis hepaticis 

 consociata. Caulis ad 7 cm. longus, regulariter bipinnatus. Folia cau- 

 lina eontigua, recte patula, valde concava, in plano ovata-oblonga 

 (1,33 mm. longa, medio 0,9 mm. lata) apice rotundata, ad medium 

 accreta, basi antica truncata. Cellulse superse 18 X 18 \l, basales 

 18X27 (j, trigonis nullis. Lobulus giganteus, cylindricus, folio parum 

 brevior (1 mm. tongus) in plano anguste oblongus, triplo longior 

 quam latus, carina oblique adscendens, leviter arcuata, levi sinu in 

 folium excurrens, apice quam basis triplo angustiore, oblique trun- 

 cato, angulo spina angusta hamata armato. Amphigastria caulina 

 magna, caule triplo latiora, subrotunda, breviter sinuatim inserta, ad 

 medium inciso-biloba, rima angusta, lobis acutis. Perianthia obovata, 

 uno latere innovata, plicis posticis longe decurrentibus angustis. Folia 

 floralia perianthio duplo breviora, obovato-oblonga, apice rotundata 

 vel obtusa. Lobulus tertio brevior, anguste lanceolatus, ad medium 

 solutus, obtusus. Amphigastrium florale obovato-oblongum, apice ad 

 V* inciso-bifidum, rima angusta, lobis acutis. Andrctcia magna, valde 

 numerosa, sessilia, bracteis 5-8 jugis. 



Hab. Asia et Oceania tropica. 



58. Pycnolejeunea japonica St. n. sp. 



Dioica, mediocris flaccida, flavescens, aitate brunnea, in cortice 

 dense depresso-csespitans. Caulis ad 3 cm. longus, parum longeque 

 ramosus, ramis sparsim breviterque pinnatis. Folia caulina imbricata, 

 obiique patula, concava, in plano late ovata (1,5 mm. longa, medio 

 1,17 mm. lata) apice late rotundata, brevissima basi inserta, basi 

 628 



