Taxilejeuneu . franz stephani. species hepaticarum (Vol. V, I9i3j. 

 II. — America tropica 



a. (jyinuii!ili})ul(e 



10. — Taxilejeuneae auriculata St. n. sp. 



Dioica magna flaccida, pallide virens, in cortice dense depresso 

 caespitans lateque expansa. Cuidis ad 6 cm. longus, parum breviterque 

 pinnatus. Folia caulina imbricata, recte patula, concava apiceque 

 decurvula, in plano subcircularia (2 mm. longa et lata) apice obtusa vel 

 rotundata, ad medium inserta, basi antica truncato-rotundata, caulem 

 late superantia ideoque valde asymmetrica. Cellulee superae 45X-45 ji 

 basales 36 X 54- [j. trigonis nullis. Lobulus magnus, late triangulatus, 

 duplo latior quam longus, carina leviter arcuata, prsrupte adscendens, 

 recto sinu in folium excurrens, apice quam basis quadruplo angustiore, 

 oblique truncato, angulo obtuso. Amphigastria caulina maxima, foiiis 

 sequimagna, latiora quam longa (^2 mm. lata, 1,75 mm. longa) profunde 

 sinuatim inserta, alisvalde ampliatisin plano hamatim incurvis, conni- 

 ventibus, apice breviter inciso-biloba, sinu recto, lobis late triangulatis 

 acutis. Periunthia uno latere innovata, parva, clavata (1,17 mm. longa 

 sub apice 0,6 mm. lata) apice rotundata, rostro angusto; plicis posticis 

 longe decurrentibus angustis, interrimis. Folia floralia perianthio parum 

 breviora, obovato-oblonga, obtusa, integerrima; lobulus ^dLVxxm. brevior, 

 lanceolatus, ultra medium solutus obtusus. Amphigastrium florale 

 optime spathulathum, apice obcordatum, sinu angusto, lobis late rotun- 

 datis. Andrcecia desunt. 



Hab. Ecuador. Costarica. 



11. Taxilejeunea apiculata (^Gottsche) St. 

 Syn : Lejeunea apiculata G., Anu. sc. nat., 1864. 



Dioica, magna flaccida, pallide flavicans, in cortice csespitosa, in 

 ramulis arborum pendula. Caulis ad 15 cm. longus, irregulariter 

 ramosus, ramis ssepe longissimis simplicibus vel sparsim pinnulatis. 

 Folia caulina contigua, oblique patula, concava, in plano late ovata 

 (1,83 mm. longa, medio 1,33 mm. lata) optime apiculata, integer- 

 rima, ad medium accreta, basi antica late rotundata. Cellulx supe- 

 rae 27 X 27 [jl, basales .27 X 54 [j. trigonis parvis, in medio 

 parietum nodulosis. Lobulus majusculus, folio quadruplo brevior, 

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

 arcuata, amplo sinu in folium excurrens, apice quam basis vix angus- 

 tiore, recte truncato, angulo acuto. Amphigastna caulina maxima, 



459 



