(VOL. V, 1913). FRANZ STEPHANI. SPECIES HEPATICARUM Ceratolejeunea. 



Syn. : Lejeunea Pappigiana Nces. Syn. Hop. p. 396. 

 Lejeunea ceratantha var p. N. et M. ibidem. 



Monoica mediocris rufo-brunnea corticola et foliicola. Caulis ad 3 cra 

 longus, irregulariter pinnatus et bipinnatus. Folia caulina contigua 

 concava, in plano ovata (1 mm. longa, 0,75 mm. lata) asymmetrica, 

 margine postico substricto, antico late rotundato, ad medium inserta, 

 basi antica truncata, apice rotundata (in ramis acuta) sparsim dentata. 

 Cellulse superae 18 {i,, basales 18X27 |j., trigonis parvis, ocelli 2, seriati 

 ^TX-iS {t. Lobulus parvus, fulio sextuplo brevior, ovatus, carina levi- 

 ter arcuata, levi sinu in folium excurrens, apice quam basis subduplo 

 breviore, truncato, angulo apiculato ; utricuii sparsi. Amphigastria 

 caulina magna, caule quadruplo latiore, late ovata, sinuatim inserta, 

 ad medium inciso-biloba, lobis anguste triangulatis acutis. Perianthia 

 parva (0,83 mm. longa, 0,58 mm. lata) apice truncata vel leviter emar- 

 ginata, angulis breviter cornutis obtusis ; plicis posticis breviter decur- 

 rentibus, apice similiter cornutis. Folia floralia periantbio aequiionga, 

 obovato-oblonga, acuta, superne regulariter valideque dentata. Lobu- 

 lus duplo brevior, lanceolatus acutus, profunde solutus interregimus. 

 Amphigastrium florale perantbio lequilongum, late obovatum, supernae 

 utrinque magno dente armatum, ad medium inciso-bifidum, lobis late 

 triangulatis apiculatis integris vel dente externo armatis. Androecia in 

 caule sessilia, bracteis trijugis. 



Hab. Brasilia orientalis. 



73. Ceratolejeunea pungens S. in Exsiccatis. 



Dioica magna rufescens, i» cortice longe lateque caespitans. Caulis 

 ad 8 cm. longus parum ramosus, sgepe simplex, parum radicans. Folia 

 caulina contigu_a, oblique patula, plano-disticha, ovato-oblonga 

 (1,67 mm. longa, inferne 0,83 mm. lata) longe acuminata, superne 

 remote grosseque spinosa, inferne nuda, ad medium inserta basi antica 

 late rotundata, caulem vix excedentia. Cellulx superae 18X36 {j., 

 basales 36 X ^^ \^, trigonis nullis ; ocellus 36 X 63 ^. Lobulu^ parvus, 

 caulis diametro sequilongus, ovato-triangulatus, recte patens, carina 

 leviter arcuata, levi sinu in folium excurrens, apice quam basis triplo 

 angustiore, emarginato, angulo acuto vel apiculato ; utriculi numerosi, 

 bracteis 2-3 jugis. Amphigasiria caulina magna, ovata (0,67 mm. lata, 

 0,83 mm longa) transverse inserta, ad ^^ incisa-bifida, rima angusta 

 lobis lanceolatis acuminatis acutis. Florescentia feminea utrinque inno- 

 vata. Folia floralia caulinis aequimagna, simillima, longius spinosa; 

 lobulus^diVwm brevior, duplo angustior, profunde solutus, integerrimus. 



m 



