Odontolejeuneu. FRANZ STEPHANl. SPECIES HEPATICARUM (VOL. V, 191:{;. 



oblique trimcatus renioteque tridentalus. Amphigastria cunlinu magiia, 

 i-aule 6 plo latiora, rotunda, nuda, basi breviter inciso biloba, lobis in 

 sinu replicatis. Perianthia iate pyriforraia (2,5 mm. longa) ad basiii 

 nsque alata, alis latiusculis, inferne nudis, superne regulariterdensequc 

 spinosis ; plica postica angusta, parum inflata : rostro valido. Foliu 

 floralia perianthio duplo breviora, obovata, regulariter denseque 

 dentata, lobulo nullo. Amphigastrium florale perianthio tri|>io brevius, 

 obovatum, apice rotundato, denticulato. Androecia ignota. 

 Hab. Brasilia. 



19. Odontolejeunea nigrescens St. n. sp. 



Sterilis, major, fusco-olivacea vel fusco-brunnea, tlaccida, foiiicoia. 

 €aulis ad 6 cni. longus, irregulariter multiramosus. Folia caulina 

 conferta, recte patula, concava apiceque decurva, in plano late ovata, 

 svmmetrica (1,7 mm. longa, 1,5 mm lata) apice rotundata, ad mediuni 

 inserta, basi antica truncato-rotundata, nuda, ceterum ubique breviter 

 denticulata. Cellulee superae 27 {j., basales 36 X 36 [i trigonis majus- 

 -culis. Lobulus magnus, saccatus, erectus, margine supero breviore, 

 apice longe et oblique truncatus, 5 mamillatus. Amphigastria caulina 

 «ontigua, plana, subrotunda, (1,17 mm. lata, 0,9 mm. longa) integer- 

 rima, basi profunde incisa, lobis in sinu strictis, planis vel recurvis. 



Hab. Ecuador. 



20. Odontolejeunea grandiloba St. n. sp. 



Sterilis, magna, robusta, brunnea, flaccida, corticola et foliicola. 

 Caulis ad 6 cm. longus, longe remoteque ramosus, pinnulis parvis 

 «parsis. Folia caulina parum imbricata, recte patula, valde concava, 

 in plano subrotunda (3.25 mm. longa, 3 mm. lata) apice rotundata, 

 lata basi inserta, basi antica rotundato-appendiculata, marginibus 

 ubique valide breviterque dentatis. Celluh' superse 26 (x, basales 

 -36 X ^5 ji,, trigonis ubique parvis. Lobulus in situ conicus, integer- 

 rimus, marginibus involutis, in plano valde aberrans, late ligulatus 

 -altior quam latus, erectus et cauli paralleius, margine supero apicequo 

 remote legulariterque dentato Amphigastria caulina maxima, caule 

 6 plo latiora, ambitu rectangulata, latiora quam longa, profunde 

 sinuatim inserta, basi cordatim ampliata, apice late truncato-rotundata 

 mda, ceterum ubique dentata, dentibus basalibus validioribus ; in sinci 

 arcte recurvis. 



Hab. Ecuador. 



21. Odontolejeunea levistipula St. u. sp. 



Monoica major, dilute brunnea, flaccida foliicola. Gaulis ad i cm. 



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