Taxikjeunea. franz stephani. species hepaticarum (Vol. V, 1914). 



lata) apice aciita, integerrima, brevi basi inserta, basi antica truncato- 

 rotiindata. Cellulse supera? 27 X 27 {ji, basales 27 X 54 {jl trigonis parvis, 

 in niedio parietuni nodulosis. Lobidus majusculus, folio quadrupio 

 brevior, oblongus, duplo longior quam latus, oblique adscendens, 

 carina levitei' arcuata, levi sinu in folium excurrens, apice quani basis 

 ti'iplo angustiore, oblique truncato, angulo acuto. Amphigaslria majus- 

 cula, caule triplo latiora, transverse inserta subrotunda, ad medium 

 biloba, rima angusta obtusa, lobis late triangulaliscuspidatis. Perianthia 

 uno latere innovata, majuscula, clavata, apice truncata, angulis rotun- 

 datis, rostro parvo ; plicis posticis breviter decurrentibus latiusculis, 

 apice truncatis, angulis rotundatis. Folia floralia perianthio a^quilonga 

 lanceolata acuminata integerrima ; lobulus folio triplo brevior, plus 

 minus profunde solutus, anguste linearis cuspidatus. Amphigastrium 

 florale perianthio subaequilongum, raaximum, obovato-oblongum libe- 

 rum ad V^ bifidum, sinu angusto obtuso, lobis late triangulatis obtusis. 

 AndroRcia sessilia, bracteis paucijugis. 



Hab. America tropica. Venezuela. Mexico. Brasilia orientalis. 



63. Taxilejeunea Chamissonis (Ldbg.) St. 



Syn. : Lejeunea Chamissonis. Ldbg. Syn. Hep. p. 378. 



Monoica minor, pallide-virens vel flavescens, foliicola. Cauiis ad 

 15 mm. iongus, irregulariter breviterque pinnatus. Folia caulina con- 

 tigua, recte patula concava apiceque decurva, in plano ovata, optime 

 symmetrica (1,33 mm. longa, 1 mm. lata) apice rotundata, ad medium 

 accreta, basi antica truncata. Cellidse superae 27 X27 [jl basales 27 X 

 45 (x, trigonis nullis, marginales sub apice plus minus distincte 

 celluloso-crenulatis. Lobidus majusculus, folio quintuplo brevior, 

 oblongus, duplo longior quam latus, carina oblique adscendens, arcuata, 

 levi sinu in folium excurrens, apice oblique truncatus, angulo acuto. 

 Amphigastria caulina parva, cauleduplolatiora, subrotunda, transverse 

 inserta, ad medium inciso-biloba, rimaangusta, lobisacutis. Perianthia 

 uno latere innovata, clavata, apice emarginata, angulis utrinque rotun- 

 datis umbonatim prominulis ; plicis posticis brevibus, angustis, late 

 divergentibus, apice similiterumbonatis. /^o/Za floralia perianthio aequi- 

 longa, lanceolata acuta integerrima, basi antica breviter coalita. Lobulus 

 triplo brevior linearis, breviter solutus, acutusvel obtusus. Amphigas- 

 trium florale perianthio parum brevius, obovatum, duplo longius quam 

 latum, apice brevissime inciso-bidentulum, lobulis utrinque breviter 

 connatum. Andrmcia sessilia, bracteis 3—4 jugis. 



Hab. Brasilia orientalis. 



485 



