Euosmolejeunea . franz stephani. SPECIES HEPATICARUM (VOL. V, 1914). 



recte patula, valde concava, in plano ovato-elliptica, (4 nini. longa, 

 medio 0,83 mm. lata) symmetrica, apice rotundata, brevi basi inserta, 

 basianticavalde arcuata. Cellulx superae 18X18 p. basales 23X27 (x, 

 trigonis magnls acutis. Lobulus majusculus, loiio quintuplo brevior, 

 oblique adscendens, in situ ovatus, in plano late ovato-triangulatus, 

 carina leviter arcuata, recto angulo in folium excurrens, apice quam 

 basis triplo angustiore, recte truncato, angulo apiculato. AmphigaslHa 

 caulina maxima, foliis sequimagna, subrotunda (0,83 mm. lata, 0,67 mm. 

 longa) profunde sinuatim inserta, apice ad V^ emarginato-biloba, sinu 

 subrecto, lobis acutis, Periunthia uno latere innovata, late pyriformia 

 (0,83 mm. longa, medio 0,75 mm. lata) apice breviter obcordata, 

 rostro valido, quinqueplicata, plica antica humillima, plicis posticis 

 late divergentibus, in unam latam confluentibus. Folia floralia perian- 

 thio sequilonga, obovato-obconica, asyrametrica, margine supero valde 

 arcuato, postico stricto, apice obtusa, lobulus linearis, duplo brevior, 

 parum soiutus, obtusus; Amfhigastrium florale foliis floralibus a^qui- 

 longum, subrotundum liberum, apice ad V^ inciso-bifidum, sinu 

 angusto, lobis acutis. Androscia ignota. 



Hab. Insula Mauritius. 



4. Euosmolejeunea Montagnei (Gottsche) St. 



Syn. : Lejeunea Montagnei Gottsche, Syn. Hep. p. 336. 



Dioica, mediocris, flavo-rufescens, in cortice dense depresso-csespi- 

 tans. Caulis ad 4 cm. longus, sparsim irregulariterque pinnatus. Folia 

 caulina conferta, recte patula, valde concava apiceque decurva, in plano 

 ovato-triangulata, maxime asymmetrica, margine infero substricto, 

 antico maxime arcuato (1,17 mni. longa, basi 1 mm. lata) apice rotun- 

 data, brevi basi inserta, basi antica longe truncata. Cellulee supera» 

 14X27 [jL, basales 18X36 [i, trigonis magnis acutis. Lohulus majus- 

 culus, folio quadruplo brevior, in situ oblongus, margine supero 

 involuto occulto, in plano late ovatus, carina oblique adscendens, levi 

 sinu in folium excurrens, apice quam basis triplo angustiore, profundt- 

 exciso, angulo longe angusteque spinifero. Amphigastria caulina 

 maxima, reniformia (0,83 mm. lata, 0,5 mm. longa) apice late truncato- 

 rotundata, integer-rima; basi late obcuneata, brevissima basi exciso- 

 inserta. Perianthia geminatim innovata, ovato-oblonga (1,5 mm. longa, 

 inferne 0,75 ram. lata) apice duplo angustiore, truncato, rostro magno 

 valido, quinque plicata, plicis posticis in unam latani confluentibus , 

 longissime decurrentibus. Folia floralia perianthio parum breviora, 

 obovato-oblonga , apice rotundata; lobulus duplo brevior, angust(> 



579 



