Ceratolejeunea. franz stephani. species hepaticarum ( Vol. V, 1913). 



decurva, in plano late ovata vel subrotunda, symmetrica, acuta, regu- 

 lariter minuteque denticulata, margine postico nudo, brevissima basi 

 inserta, basi antica truncata, nuda. Cellulm superae 18X18 jj. basales 

 18 X 27 jjl. Ocelli geminati 27 x 54 [a- Lobulus majusculus, folio triplo 

 brevior, recte patens, oblongus, duplo longior quam latus, carina 

 arcuata, sinu acuto in folii marginem excurrens, apice quam basis triplo 

 angustiore oblique truncato, anguloacuto, sub apice constricto. Amphi- 

 gastria caulina majuscula, cauleduplo latiora, subtransverse inserta, ad 

 2 /3 inciso-biloba, sinu recto, lobis ovato-triangulatis apiculatis acutis. 

 Perianthia parva, compresso-inflata, late obovata, celhllis inflatis papu- 

 losa (0,67 mm. longa, 0,5 mm. lata) quadricornuta, cornibus perianthio 

 aequilongis anguste clavatis, anticis leviter divergentibus, posticis 

 porrectis, rostro valido. Folia floralia perianthio aequilonga, obovato- 

 oblonga obtusa, superne irregulariter denticulata, inferne nuda, lobulus 

 parum brevior, oblongus, triplo longior quam iatus regulariter minu- 

 teque denticulatus, plus minus profunde solutus. Amphigastrium tlorale 

 lobulis aequilongum, ovato-ellipticum, lobulis breviter connatum, apice ' 

 ad V* inciso-bifidum, sinu semirecto, lobis acutis. Andrcecia in ramulis 

 terminalia, bracteis 3—6 jugis, dorso papulosis. 



Hab. Dominica. Guadeloupe. 



17. Ceratolejeunea cornuta. (Ldbg.) St. 



Syn. : Lejeunea cornuta Ldbg. Syn. Hep. p. 399. 



Monoica, minor, fusco-brunnea,corticolaetfoliicola. Cauliszd 25 inoi. 

 longus, parum irregulariterque pinnatus. Folia caulina imbricata, recte 

 patula, concava apiceque decurva, in plano ovato, (1,17 mm. longa, 

 0,83 mm. lata) acuta vel obtusa, integerrima, ad medium accreta, basi 

 antica truncata. Cellulse supera 18X18 ji, basales 27 X36 Ocetlus 

 basalis 27 X 54- jt. Lobulus parvus (sa?pe obsoletus) ovatus, folio 

 septuplo brevior, carina arcuata, levi sinu in folium excurrens, apice 

 quam basis subduplo angustiore, leviter emarginato, angulo cellula 

 prominula acuto. Amphigastria caulina maxima, subtriangulata, 

 0,58 mm. longa, 0,83 mm. lata, profunde sinuatim inserta, apice 

 0,17 mm. lata, ad V» inciso-biloba, rimaangusta, lobis obtusis. Perian- 

 thia majuscula, obovato oblonga (1,17 mm. longa, medio 0,75 mm. 

 lata)(cornibus exlusis)quadricornuta,cornibusangustislongis(0,5mm.) 

 anticis late divergentibus, posticis porrectis. Folia floralia perianthio 

 parum breviora, obovata, apice rotundata vel obtusa, integerrima vel 

 sub apice remote angulata ; Lobulus parum brevior, anguste ligulatus, 

 profunde solutus, obtusus integerrimus. Amphigastrium florale foliis 

 403 



