Brachiolejeunea, franz stephani. species hepaticarum (Vol. V, 1'.M2). 



oblongo-cylindrica, triplicata, plicis inflatis, apice umbonatim promi- 

 niilis; rostro parvo. FoUa (lorulia caulinis a!(Iiiimairna, loviter falcata, 

 anguste liguiata, apiculata, lobido triplo bi-eviore, auguste lineari, hand 

 soiuto, apice obtuso. Amphigaslrium /lorale lobulis duplo longius, ligu- 

 latum integerrimuni. Andrmia ignota. 

 Hab. Andes Peruviiv, Bolivise; Venezuela, Mexico. 



19. Brachiolejeunea mamillata St. n. sp. 



Dioica magna robusta, rufo-brunnea, flaccida, in cortice longe pros- 

 trata denseque intricata. Caulis ad 7 cm. longus, in planta mascula 

 irregulariter longeque ramosus. Folia caulina conferta, recte patula, 

 parum concava, in plano ovato-triangulata (1,6 mm. longa, 1 mm. lata) 

 acuta, ad medium inseita, basi antica rotundata. Cellulae superae 

 18X36 [JL trigonis parvis, basales ^TX^iSji trigonis majusculis. Lobulus 

 maximus, folio duplo brevior, in situ ovato-trianguiatus, margine 

 supero sexmaimWsiio.A mphigastria caulina maxima, caule 5 plo latiora, 

 parum longiora quam lata, subrectangulata, brevissima basi inserta, 

 utrinque appendiculata, appendiculis liberis rotundatis conniventibus. 

 Perianthia anguste pyriformia subclavata, triplicata, rostro parvo. 

 Folia floralia perianthio sequilonga, anguste ligulata, obtusa, lobulo 

 duplo breviore et angustiore, apice parum soluto rotundato. Amphi- 

 gastrium florale lobis sequilongum, obovatum, apice rotundatum, inte- 

 gerrimum. Androecia in ramis mediana, bracteis ad 6 jugis. 



Hab. Andes Peruvix. Brasilia. Mexico. 



20. Brachiolejeunea Mandoni St. n. sp. 



Dioica, magna, rigidula, flavo-rufescens, laxe csespitans longeque 

 prostrata. Caulis ad 5 cm. longus, irregulariter multiramosus, ramis 

 sub flore divergentibus, interdum, unilateralibus. Folia caulina magna, 

 recte patula, concava, margine postico apiceque arcte recurvo, in plano 

 late ovato-triangulata (1,46 mm. longa, \ mm. lata) asymmetrica, 

 margine antico valde arcuato, postico substricto, apice late acuminata 

 acuta, ad medium accreta, basi antica breviter rotundata. Cellulse 

 superae 18X27 [t basales 27X45 {x trigonis parvis. Lobulus in situ 

 anguste fusiformis, maxime involutus, in plano ovatus, folio triplo 

 brevior, margine supero 5 mamillato, apice breviter truncatus. Amphi- 

 gastria eaulina maxima, caule quadruplo latiora, optime circularia, 

 profunde angusteque sinuatim inserta, alis liberis, triangulatis conni- 

 ventibus, vulgo quidem replicatis. Perianthia pyriformia qiiadriplicata, 

 plicis longe decurrentibus, apice umbonatim prominulis, rostro parvo. 

 Folia floralia intima perianthio parum breviora, obovato-oblonga, 



121 



