Pycnolejeunea. franz stepiiani. species hepaticarum (Vol. V,1914). 



in cortice laxe csespitans. Caidis aci 3 cm. longus, irregulariter dense- 

 que pinnatus. Folia caulina conferta, recte patula, valde concava, in 

 plano ovato-triangulata (0,83 mm. longa, basi 0,75 mm, lata) valde 

 asymmetrica, margine supero alte arcuato, infero substricto, apice 

 obtusa, brevi basi inserta, basi antica longe truncata. Cellulx superse 

 18Xl8{x, basales 18X27 ji trigonis ubique magnis; ocelli basales 

 27X54^^ aggregati. Lobulus majusculus, folio triplo brevior, recte 

 patens, in situ anguste oblongus, subcylindricus, triplo longior quam 

 latus, apice oblique truncato, margine supero occulto, in plano ovato- 

 oblongus, carina leviter arcuata, substricte in folium excurrens, apice 

 quam basis triplo angustiore, oblique emarginato, angulo apiculato. 

 Amphigastria caulina parva, reniformia caule duplo latiora (0,4 mm. 

 lata, 0,33 mm. longa) transverse inserta, ad medium inciso-biloba, 

 sinu semirecto, lobis late triangulatis acutis. Perianthia uno latere 

 innovata, pyriformia, apice truncato-rotundata, rostro latobrevissimo, 

 plicis posticis angustis, divergenti-decurrentibus. Folia floralia perian- 

 thio sequilonga vel breviora, obovato-oblonga, in plano leviter falcata, 

 apice rotundata. Lobulus duplo brevior, lingulatus, ad medium solutus, 

 apice rotundatus. Amphigastrium floraie late ovato-obconicum, perian- 

 thio duplo brevius, apice breviter inciso-bidentulum. Andrcecia nume- 

 rosa, magna, sessilia vel in ramis terminalia, bracteis ad 10 jugis. 



Hab. Insula Banca. 



4^3. Pycnolejeunea ceylanica (G.) St. 



Syn. : Lejeunea ceylanica G. Syn. Hep. p. 3.59. 



Lejeunea connivens G. in Schffn. Gazelle Exped. 1889. 



Dioica, mediocris flaccida, flavo-rufescens, corticola et foliicola.. 

 Caulis ad 5 cm, longus, irregulariter pinnatus et bipinnatus. Folia 

 caulina parum imbricata, recte patula, parum concava, in plano ovato- 

 triangulata, leviter falcata (1 mra. longa, 0,83 mm. lata) margine 

 supero late rotundato, infero leviter sinuato apice obtusa, ad medium 

 inserta, basi anticatruncata. Cellulse superse 18x^8 «jl, trigonis magnis, 

 basales 18X36^, trigonis maximis. Lobulus maximus, folio duplo 

 brevior, anguste oblongus, triplo longior quam latus, carina oblique 

 adscendens, leviter arcuata, levi sinu in folium excurrens, apice quam 

 basis duplo angustiore, breviter exciso, angulo pilo longissimo hamato 

 armatus. Amphigastria caulina caule triplo latiora, subrotunda, breviter 

 sinuatim inserta, ad ^/b inciso-biloba, lobis ovatis apiculatis. Perianthia 

 uno latere inovata, anguste pyriformia, apice rotundata, rostro valido^ 

 plicis posticis longe decurrentibus angustis. Folia floralia perianthio 



621 



