(VOL. V,4913). franz stephani. SPECIES HEPATICARUM Ceratolejeunea. 



Syn. : Lejeunea Pceppigiana Nees. Syn. Hep. p. 396. 

 Lejeunea ceratantha var J3. N. et M. ibidem. 



Monoica mediocris rufo-brunnea corticola et foliicola. C<mfead3cm 

 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 ji, basales 18X27 trigonis parvis, ocelli 2, seriati 

 27X45 (jl. Lobulus parvus, folio sextuplo brevior, ovatus, carina levi- 

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

 breviore, truncato, angulo apiculato ; utriculi 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 perianthio aequilonga, 

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

 lus duplo brevior, lanceolatus acutus, profunde solutus interregimus. 

 Amphigastrium florale peranthio sequilongum, late obovatum, supernse 

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

 triangulatis apiculatis integris vel dente externo armatis. Andrcecia in 

 caule sessilia, bracteis trijugis. 



Hab. Brasilia orientalis. 



73. Ceratolejeunea pungens S. in Exsiccatis. 



Dioica magna rufescens, in cortice longe lateque csespitans. Caulis 

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

 caulina contigua, 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 jx, 

 basales 36X45 fi, trigonis nullis ; ocellus 36 X 63 Lobulus parvus, 

 caulis diametro aequilongus, 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. Amphigastria caulina magna, ovata (0,67 mm. lata, 

 0,83 mm longa) transverse inserta, ad 2 /s incisa-bifida, rima angusta 

 lobis lanceolatis acuminatis acutis. Florescentia feminea utrinque inno- 

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

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

 434 



