(VoL. V, 1915). FRANZ STEPHANi. SPECIES HEPATICARUM Lejeunea. 



0,67 miii. lata) apice rotiiridata, rostro parvo coiiico, (niinquepiicata, 

 plicis posticis angustis, ionge decurrentil)us, plica antica obsoleta. 

 Folia floralia perianthio subsequilonga, obovato-oblonga, lobulus paruni 

 brevior, lanceolatus, ad V^ solutus, obtusus. Amphigastrium floraie 

 lobulis aequilonguni, late ovatum, ad V* inciso-bilobatum, rima 

 angusta, laciniis late triangulatis acutis. Andrcecia sessilia, bracteis 

 3-4 jugis. 



Hab. Surinam. 



49. Lejeunea disjecta. S. Journ. Linn. Soc. 1893, p. 347. 

 Monoica, pusilla, virescens, in cortice caspitans. Caulis ad 10 mm. 



longus, irregulariter multiramosus. Folia caulina imbricata, recte 

 patula, parum concava, in plano ovata, subsymmetrica, ad medium 

 inserta, basi antica truncato-rotundata, caulem tegentia, apice rotun- 

 data vel obtusa, integerrima. Cellulx supera? 27 X 27 ^, basales 

 27 X 36 {X parietibus validis. Lobulus magnus folio triplo brevior, 

 ovato-oblongus, duplo longior quam latus, carina oblique adscendens, 

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

 angustiore, recte truncato, angulo apiculato, sub apice constrictus. 

 Amphigastria caulina majuscula, caule duplo latiora, subrotunda, 

 transverse inserta, ad 7^ inciso-bifida, sinu subrecto, laciniis lanceo- 

 latis, porrectis acutis. Perianthia uno latere innovata, magna, pyri- 

 formia (1,25 mm. longa, superne 0,75 mm. lata) apice rotundata, 

 rostro valido, quinque plicata, plicis posticis angustis, longe decurren- 

 tibus, plica antica obsoleta. Folia floralia perianthio parum breviora 

 subligulata (1,1 mm. longa, 0,4 mm. lata) apiceobtusa, /o/>w/Msparum 

 brevior, lanceolatus, ad ^/3 solutus, obtusus. Amphigastrium florale 

 foliis floralibus subsequilongum obovato-obconicum, ad V^ inciso- 

 bilobatum, sinu semirecto, laciniis late triangulatis acutis. Andrcecia 

 sessilia, bracteis quinque jugis. 



Hab. America tropica, Insula St-Vincent. 



50. Lejeunea domingensis. St. n. sp. 



Antoica mediocris, pallide flavicans, in cortice dense depresso- 

 csespitans. Caulis ad 3 cm. longus, irregulariter multiramosus. Folia 

 caulina imbricata, recte patula, concava, in plano lale ovata, symme- 

 trica (4 mm. longa, medio 0,83 mm. lata) ad medium accreta, basi 

 antica truncato-rotundata, caulem tegentia vel superantia, apice rotun- 

 data vel obtusa, integerrima. Celtulx supera? 36 X 36 [i, basales 

 36 X 54 [X trigonis nullis. Lobulus parvus, folio sextuplo brevior, 

 ovatus, carina oblique adscendens, leviter arcuata, amplo sinu in 



732 



