(VOL. V, 1915). FRANZ STEPHAM. SPECIES HEPATICARUM Lejeiinea. 



Amphifjastrium florale lobiilo proxiino connatmn, oblongo-ellipticnm, 

 lobulis pariim longius, ad V^ bitidum, sinu semirecto acuto, laciniis 

 lanceolatis cuspidatis. Andracia desunt. 



Hab. B?Yisilia, Cuba, Mexico, Costarica, Yucatan. 



72. Lejeunea leptalea. S. Hep. Am. And. p. 272. 



Dioica mediocris, pallide flavicans vel virens, in cortice depresso 

 csespitans. Caiilis ad 3 cm. longus, remote breviterque pinnatus, ramis 

 longioribus paucis interjectis, similiter pinnatis. Foliu caulina conti- 

 gua, subrecte patula, parum concava, in plano ovata, symmetrica 

 (0,67 mm. longa, medio 0,4 mm. lata) ad medium inserta, basi antica 

 truncato-rotnndata, apice obtusa, integerrima. Cellulx superse 18x18 jx, 

 basales 27x36 \x, parietibus validis. Lobulus magnus, folio triplo bre- 

 vior, oblongus, duplo longior quam latus, carina oblique adscendens, 

 parum arcuata, levi sinu in folium excurrens, apice quam basis duplo 

 angustiore, oblique exciso, angulo spinnla valida armato. Amphigastria 

 caulina majuscula, caule duplo latiora, subrotunda, ti-ansverse inserta, 

 ad medium biloba, sinu angusto obtuso, laciniis triangulatis porrectis 

 obtusis. Perianthia uno latere innovata, anguste pyriformia (1 inm. 

 longa, medio 0,58 mm. lata) apice obtusa, rostro valido, quinquepli- 

 cata, plicis posticis angustis, longe decurrentibus, plica antica breviore. 

 Folia floralia parva, perianthio triplo breviora, obovata, acuta vel 

 obtusa, lobulus lanceolatus parum brevior, ad ^/3 vel breviter solutus, 

 acutus vel cuspidatus. Amphigastrium florale ligulatum, foliis floi-alibus 

 longius, triplo longius quam latum, lobulis connatum, apice ad V* 

 bifidum, rima angusta obtusa, laciniis triangulatis acutis. Androecia 

 ignota. 



Hab. Andes quitenses. 



73. Lejeunea leucophsea. S. Hep. Am. And. p. 267. 

 Monoica, niajor, tlavo-virens, in cortice caespitans. Canlis ad 3 cni. 



longus, irregulariter ramosus, ramis brevibus, aliis iongissimis spar- 

 sim pinnulatis. Folia caulina contigua, recte patula, parum concava, 

 in plano oblongo-elliptica (1,1 mm. longa, medio 0,7 mm. lata) asym- 

 metrica, ad medium inserta, basi antica truncato-rotundata, apice 

 obtusa, integerrima. Cellulse superse 18x18 (i, basales 18X36 {i, tri- 

 gonis majusculis, parietibus validis. Lobulus minor, folio quintuplo 

 brevior, ovato-triangulatus, carina oblique adscendens, leviter arcuala, 

 amplo sinu in folium excurrens, apice quam basis triplo angustiore, 

 oblique truncato, angulo acuto. Amphigastria caulina gigantea, late 

 ovato-elliptica (0,83 mm. longa, 0,7 mm. lata) basi profunde cordata, 



744 



