(Vol. V, 1913). FRANZ stephani. species hepaticarum Taxilejeunea . 

 quintuplo latiora, subrotunda, transverse inserta, ad medium inciso- 

 biloba, sinu acuto, lobis obtusis. Perianthta uno latere innovata, inno- 

 vationibus pluries repetitis seriata clavata, superne quinqueplicata, 

 plicis umbonatim prominulis, ceterum cylindrica, levia, rostro parvo. 

 Folia floraiia perianthia ajquilonga, obovato-oblonga, apice rotundata, 

 integerrima; lobulus triplo vel quadruplo brevior, linearishaud solutus, 

 apice truncatus, obtusus. Amphigastrium florale foliis floralibus aequi- 

 longum, oblongo-ellipticum (1 mm. longum,0,67 mm. latum) apice ad 

 V* inciso bilobalum, rima angusta, lobis obtusis vel acutus. Andracia 

 exigua, sessilia bracteis bijugis. 

 Hab. Brasilia. 



41. Taxilejeunea obtusifolia St. n. sp. 



Dioica magna, robusta, olivacea, in cortice dense depresso caespitans 

 lateque expansa. Caulis ad 8 cm. longus, sparsim irregulariterque 

 pinnatus, superne longe simplex. Folia caulina parum imbricata, 

 oblique patula, concava apice decurva, in plano ovato-triangulata 

 (1,67 mm. longa, basi 1,67 mm. lata) subsymmetrica, apice rotundata, 

 ad medium accreta, basi antica truncato rotundata. Cellula superae 

 27x36|i, basales 36x36a trigonis nullis. Lobulus maximus, late 

 ovatus, folio subtriplo brevior, carina bene arcuata, levi sinu in folium 

 excurrens apice quam basis triplo angustiore, recte truncato, angulo 

 obtuso, sub apice constrictus, interdum dente accessorio subapicali 

 auctus. Amphigastria caulina gigantea (1,5 mm. lata, 1,17 mm. longa) 

 sinuatim inserte optimeque cordata, apice ad V 4 emarginato biloba, 

 sinu subrecto, lobis late triangulatis acutis porrectis. Florescentia 

 feminea in ramulis terminalis, uno latere innovata. Folia floralia 

 obovato-oblonga (1,7 mm. longa, superne 0,58 mm. lata) obtusa, 

 inlegerrima; lobulm folio subduplo brevior, lanceolatus, ad V» solutus 

 apiculatus. Amphigastrium florale foliis floralibus sequilongum, obovato- 

 oblongum, apice ad V 5 emarginato-bilobatum, rima angusta, lobis 

 triangulatis acutis, basi lobulis alte connatum ; reliqua desunt. 



Hab. Brasilia orientalis, serra itatiana. 



42. Taxilejeunea pallescens (Mitten) St. 



Syn. : Omphalanthus pallescens Mitt. J. of Bot., 1851, p. 360. 



Omphaianthus leioscyphus G., Ann. sc. nat., 1864, p. 148. 

 Dioica magna flavescens, in ramulis nidulans et pendula. Caulis ad 

 8 cm. longus sparsim Iongeque ramosus. Folia caulina remota, oblique 

 patula, valde concava apiceque arcte decurva, in plano ovato-triangulata 

 (2 mm. longa, basi 2 mm. lata) apice optime angusteque apiculata, 

 474 



