(V0L. V,1913). FRANZ STEPHANI. SPECIES HEPATICARUM Crossotolejeunea. 



duplo breviora, obovato-oblonga, acuta, superne irregulariter denti- 

 culata. Lobulus magnus angustus, folio parum brevior, plus minus 

 longe solutus, longe acuminatus acutus vel anguste ligulatus, obtusus 

 denticulatus. Amphigastrium florale foliis floralibus sequilongum, ellip- 

 ticum, duplo longius quam latum, apice breviter bifldum, lobis anguste 

 triangulatis conniventibus vel cruciatis, extus denticulatis. Andmcia 

 sessilia, bracteis 8 jugis. 



Hab. America tropica. Rio Negro. 



9. Grossotolejeunea tenuistipula (Ldbg. et G.) St. 



Syn. : Lejeunea tenuistipula Ldbg. et G. Syn. Hep., p. 757. 



Monoica pusilla flavo-rufescens, corticola. Caulis ad 4 cm. longus, 

 sparsim minuteque pinnatus. Folia caulina conferta, oblique patula, 

 valde concava apiceque late decurva, in plano late ovato-falcata, 

 (0,83 mm. longa, 0,67 mm. lata) acuta, sub apice irregulariter minu- 

 teque denticulata. Cellulx superae 27 (j., basales 48X36 p., parietibus- 

 validis. Lobulus magnus, folio subtriplo brevior, oblique adscendens, 

 oblongus, carina substricta, levi sinu in foiium excurrens, apice quam 

 basis duplo angustiore, oblique truncato, angulo obtuso, sub apice 

 leviter constrictus. Amphigastria caulina parva, caule vix latiora, 

 vix longiora quam lata, transverse inserta, superne utrinque angu- 

 lata, ad medium biflda, sinu acuto angusto, lobis late triangulatis 

 integerrimis Perianthia magna (4,33 mm. longa, pyriformia, plicis 

 sparsim irregulariterque dentatis, dentibus minutis, rostro parvo. 

 Folia floralia late oblonga, perianthio subsequilonga, divergentia, valde 

 decurva acuta, superne irregulariter minuteque dentata, lobulo duplo 

 breviore, lineari, acuto, integro, breviter soluto. Amphigastrium florale 

 parvum, perianthio quadruplo brevius, obovatum, ad x jz inciso-bifiduin, 

 lobis triangulatis, extus irregulariter denticulatis. Andrcecia magna, 

 vaide numerosa, bracteis 42 jugis. 



Heb. Mexico. Tepinapa. 



2. lntegrifoliae 



40. Crossotolejeunea apiahyna St. n. sp. 



Monoica, parva, flavo - rufescens, in cortice depresso - csespitosa. 

 Caulis ad 40 mm. longus, parum irregulariterque ramosus. Folia cau- 

 lina contigua, subrecte patula, parum concava, in plano ovata, symme- 

 trica (0,67 mm. longa, 0,5 mm. lata) apiculata, integerrima, basi antica 

 runcato-rotundata. Cellulse superai 27 ^i, basales 27X36 ^ trigonis 

 234 



