Odontolejeunea. FRANZ STEPHANI. SPECIES IIEPATICARUM (VOL. V, 1912). 



incurvo, in plano late ovata, symmetrica (1,17 mm. longa, 0,83 mm. 

 lata) apice late rotundata, ad medium accreta, basi antica truncata, 

 nuda, ceterum ubique regularitei' grosseque dentata. Cellulae superae 

 27X36 jj. trigonis magnis, basales vix majores, trigonis parvis. Lobulus 

 magnus, recte patens, in situ rectangulatus, duplo longior quam latus, 

 in plano late ovatus apice truncato, parum angustiore, angulo apiculato. 

 Amphigastria caulina parva, caule parum latiora, subrotunda, basi 

 profunde inciso-biloba, sinu subrecto, lobis late triangulatis in sinu 

 recurvis. 



Hab. Costarica, Ecuador, Guadeloupe. 



7. Odontolejeunea longispica Evans. Torr. Bot. Cl. 1908, 

 p. 380. 



Dioica, brunnea vel flavo-virens, laxe csespitans. Caulis irregulariter 

 multiramosus, ramis longioribus divergentibus. Folia caulina contigua 

 vel parura imbricata, subplana, late ovata (adulta 1 mm. long, 0,7 mm. 

 lata) asymmetrica, apice rotundata, inferne nuda, superne regulariter 

 valideque dentata. Cellulae marginales 17 {jl, medise 25x32 jjl basales 

 32 p. trigonis minutis in medio parietum nodulosis. Lobulus late ovato- 

 triangulatus, inflatus, apice duplo angustiore, plano, recte truncato vel 

 leviter emarginato, angulo apiculato. Amphigastria caulina parva, sub- 

 rotunda caule parum latiora, plana, sinuatim inserta, basi rotundato- 

 appendiculata. Perianthia oblongo-obcuneata (1,2 mm. longa) superne 

 alata, alis regulariter valideque spinosis, interdum duplicatim alata ; 

 plicis posticis late divergentibus brevibus nudis; rostro parvo. Folia 

 floralia perianthio duplo breviora, acuminata, sub apice paucidentata ; 

 lobulo exiguo, lineari, truncato, acuto, haud soluto. Amphigastrium 

 florale foliis floralibus parum brevius, spathulatum, apice rotundatum, 

 integrum. Androecia sessilia, plus minus longe spicata, bracteis ad 

 12 jugis. 



Hab. Jamaica. 



8. Odontolejeunea decemdentata Spruce Hep. Am. And., 

 p. 148. 



Dioica, minor, pallide rufescens, flaccida, foliicola. Caulis ad 3 cm. 

 iongus, regulariter pinnatus, ramis ad 8 mm. longis. Fotia caulina 

 contigua, recte patula, concava, in plano late ovata (1,6 mm. longa, 

 1,17 mm. lata) apice rotundata, ad mediura accreta, basi antica truncata, 

 marginibus ubique remote valideque dentatis, ipsa basi nudis. Cellulff 

 superse 36 jx, basales 36Xo4 jj. trigonis nullis. Lobulus validus, in 

 plano triangulatus, folio quadruplo brevior,. syinmetricus, apice quam 



175 



