(VOL. V, 1913). FRANZ STEPHANI. SPECIES HEPATICARUM Crossotolejeunca. 



in folium excurrens, apice quain basis parum angustiore, truncato, 

 angulo obtuso, sub apice constrictus. Amphiyastria caulina majuscula, 

 caule subtriplo latiora, ambitu subrotunda, transverse inserta, ad 

 3/4 exciso-biloba, lobis anguste oblongis coniiiventibus obtusis. Perian- 

 thia quoad plantse staturam maxima (1 mm. longa) obovato-oblonga, 

 duplo longiora quam lata, carinis dense papulosis, papulis angustis 

 creberrimis biseriatis, rostro occulto. Folia floralia parva, caulinis 

 minora, perianthio triplo breviora, late obovata, obtusa ; lobulo duplo 

 breviore, anguste lanceolato, obtuso, parum soluto. Amphigastrium 

 florale foliis flor. parum brevius, late ligulatum, subrectangulatum, 

 duplo longius quara latum, lobulo proximo coalitum, ad ^/3 inciso- 

 bifidum, lobis obtusis. Androscia perianthio contigua, pai^va, bracteis 

 4 jugis. 



Hab. Cuba. 



24. Crossotolejeunea Boryana (Mont.) S. Hep. Am. And. 

 p. 162. 



Syn. : Lejeunea Boryana Mont. Ann. sc. nat. 1838, p. 35. 



Monoica, mediocris, pallide flavicans, dense depresso-csespitans, late 

 expansa, corticola. Caulis ad 3 cm. longus, sparsim longeque ramosus, 

 Folia caulina parum imbricata, recte patula, parum concava, in plano 

 ovata (0,5 mm. longa, 0,4 mm. lata), apice obtusa, irregulariter 

 repanda, basi antica late rotundata. Cellulse superse 18 [i basales 

 18X27 [1 trigonis magnis, in medio parietum nodulosis. Lobulus magnus 

 folio triplo brevior, recte patens, subrotundus, carina saccatim arcuata, 

 recto angulo in folium excurrens, apice quam basis parum angustiore, 

 exciso, angulo spina hamata armato. Amphigastria caulina magna, 

 caule quintuplo latiora, sinuatim inserta, profunde lateque exciso- 

 biloba, lobis late divergentibus, apice iucequaliter bifidis, lacinia supera 

 duplo longiore. Perianthia parva, (0,83 mm. longa) obcuneato-pyri- 

 formia, inferne nuda, superne remote grosseque spinosa, plicis posti- 

 cis ad medium decurrentibus, late divergentibus, superne similiter 

 spinosis, rostro nullo. Folia floralia perianthio parum breviora, obo- 

 vato-oblonga, acuta, integerrima ; lobulo duplo breviore lanceolato, 

 ad V^ soluto, aculo, margine interno angulato vel remote bidentato. 

 Amphigastrium florale foliis flor. aequilongum, obovato-obcuneatum, 

 superne utrinque angulatum, ad V^ inciso-bifidum, lobis lanceolatis 

 acuminatis acutis, hic illic angulatis. Androscia sessilia, bracteis 3-4 

 jugis. 



Hab. Brasilia. Guyana, India occidentalis. 



242 



