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



alis cordatiin rotuiidatis, accreLis, apice paruui angustiora, ad mediuni 

 biloba, rima angusta obtusa, lobis anguste triangulatis obtusis. Perian- 

 tliia uno latere innovata, parva, late pyriformia, rostro valido conico, 

 plicis posticis angustis longe decurrentibus. Folia floralia perianthio 

 subduplo longiora, obovato-oblonga, obtusa, lobiilus giganteus, perian- 

 thio a^quilongus, h^nceolatus, obtusus, ad mediuni soiutus. Amphi- 

 (/astrium florale ovato-rotundatum, liberum i^l mm. longum, supra 

 basin l,t mm. latum) ad medium inciso-bifidum, rima angusta, lobis 

 anguste triangulatis obtusius culis. Andrcecia ignota. 

 Hab. Ceijlon. 



63. Pycnolejeunea Fitzgeraldii St. n. sp. 



Sterilis minor, dilute brunnea, flaccida, muscicola. Caulis ad25 mm. 

 longus, sparmim irregulariterque ramosus. Folia caulina parum imbri- 

 cata, recte patula, valde concava, in plano late ovata (0,83 mm. 

 longa, medio 0,75 mm. lata) symmetrica, apice obtusa, lata basi 

 inserta, basi antica truncato-rotundata. Cellulse superse 18X18 [jl, 

 basales 18X27 |j. trigonis majusculis. Lobulus maximus, folio parum 

 brevior (0,67 mm. longus) in situ anguste oblongns (in plano parum 

 latior) oblique adscendens, triplo longior quam latus, carina leviter 

 arcuata, sinu brevi acuto in foliura excurrens, apice quam basis multo 

 angustiore, recte truncato, angulo acuto, margine supero sub apice 

 constricto. Amphigastria caulina majuscula, caule quadruplo latiora, 

 subrotunda transverse inserta, ad medium inciso-biloba, sinu angusto, 

 lobis acntis. 



Hab. Nova Guinea. 



64. Pycnolejeunea excisula St. n. sp. 



Monoica, major, flaccida, flavo-rufescens, in cortice spongiose ca^s- 

 pitans. Caulis ad -4 cm. longus, irregulariter breviterque pinnatus. 

 Folia caulina dense imbricata, subrecte patula,- concava, in plano late 

 ovata ^1,67 mni. longa, medio 1,33 mm. lata) asymmetrica, margine 

 supero late arcuato, infero substricto, apice rotundata, brevissima basi 

 inserta, basi antica truncato-rotundata. Cellulse superse 18X18 [x, 

 trigonis magnis, basales 18X36 p., trigonis paiTis. Lobulus mujus- 

 culus, folio subduplo brevior, oblique patens, in situ linearis, triplo 

 longior quam latus, in plano ovato-oblongus, duplo longior quam 

 latus, carina substricta, levi sinu in foliumexcurrens, apice quambasis 

 subduplo angustiore oblique truncato, angulo cellula prominente api- 

 culata. Amphigastria caulina magna, caule quintuplo latiora, reni- 

 formia, transverse inserta, inferne late cuneata, apice late truncato- 



631 



