Taxilejeunea. franz stepham. species hepaticarum (Vol. V, 1913). 



lans. Caulis ad 10 cm. longus, irregulariter breviterque pinnatus, 

 rarius bipinnatus. Folia caulina parum imbricata, oblique patula, 

 parum concava, in plano ovato-triangulata (1,5 mm. longa, basi 

 1,33 mm. lata) apice acuta vel apiculata, sub apice sparsim irregula- 

 riterque dentata lata basi inserta, basi antica rotundata. Cellulx supene 

 36X36 |i trigonis majusculis, basales 36X"72[a, trigonis parvis. 

 Lobulus parvus (saepe obsoletus) late ovato-triangulatus, folio sextuplo 

 brevior, carina oblique adscendens, leviter arcuata, levi sinu in folium 

 excurrens, apice quam basis triplo angustiore, recte truncato angulo 

 apiculato. Perianthia clavata (1,4 mm. longa, niedio 0,5 nim. lata) sub 

 apice leviter ampliata. cylindrica eplicata vel anguste inflato-plicatula, 

 rostro brevissimo, umbilicatim demerso. Folia floralia perianthio parum 

 breviora, obovato-oblonga, apiculata, sub apice parum valideque den- 

 tata ; lobulus parvus, Iinearis, recte truncatus, haud solutus. Amphi- 

 gastrium florale foliis floralibus aequilongum, obovato-obconicum, foliis 

 breviter exciso-bidentatum, inferne integerrimum superne regulariter 

 remoteque dentatum. Andrazcia parva sessilia, bracteis 2-3 jugis. 

 Hab. America tropica. 



51. Taxilejeunea Suringarii St. n. sp. 



Dioica minor, pallide virens foliicala. Caulis ad 2cm. longus, parum 

 longeque ramosus. Folia caulina parum imbricata, oblique patula, 

 parum concava, in plano late triangulata (1,1 mm. longa, basi 1 mm. 

 lata) subsymmetrica, acuta, sub apice bidentata, ceterum integerrima, 

 ad medium inserta, basi antica late rotundata caulem superantia. 

 Cellulse superce 36X36u., basales 36x54^, trigonis nullis. Lobulus 

 parvus (saepe obsoletus) ovato-triangulatus, folio septuplo brevior, 

 carina oblique adscendens, arcuata, amplo sinu in folium excurrens, 

 apice quam basis triplo angustiore, oblique truncato, angulo apiculato. 

 Amphigastria caulina gigantea, folio subaequimagna, reniformia (1 mm. 

 lata, 0,75 mm. longa) profunde sinuatim inserta, cordatim rotundata, 

 apice ad l ft inciso-biloba, rima angusta, lobis late triangulatis apicu- 

 latis conniventibus. Andracia sessilia, parva, bracteis 3-4 jugis. Reliqua 

 desunt. 



Hab. Surinam. 



52. Taxilejeunea ? tenera (Sw.) St. 



Syn. : Jungermannia tenera Sw. Prodr. Fl. Ind. occ, p. 143. 



Lejeunea tenera Sw. Syn. Hep., p. 406. 

 Sterilis, maxima, pallide virens terricola. Cauli» ad 8 cm. longus, 

 inferne regulariter breviterque pinnatus, superne simplex, flaccidus 

 479 



