(VOL. V, 1944). FRANZ STEPHANI. SPECIES HEPATICARUM Hygrolejeunea. 



sinu angusto acuto, lobis angusle Iriaumilatis cuspidatis. Andmcia 

 ignota. 



Hab. Insulx Mascarense (Bourbon et Maurice). 



2. Hygrolejeunea Breuteliana St. n. sp. 



Dioica, pusilla, rufo-brunnea, in cortice dense caespitans. Caulis ad 

 t5 min. iongus, irregulariter multiramosus. Folia caulina conferta, 

 oblique patula, valde concava, in plano ovato-triangulata (0,83 mm. 

 longa, basi 0,67 mm. lata) apice rotundata, ad medium inserta, basi 

 antica truncata. Cellulx 27x2" ubique sequales, trigonis minutis, 

 in medio parietum nodulosis, marginibus vix crenulatim prominulse. 

 Lobulus oblique adscendens, rectangulatus, parum longior quam 

 latus, carina leviter arcuata, levi sinu in folium excurrens, apice 

 quam basis parum angustiore, recte truncato, angulo obtuso. Amphi- 

 gastria caulina magna, subrotunda (0,5 mm. longa et lata) leviter 

 sinuatim inserta, ad x /3 biloba, sinu angusto obtuso, lobis late trian- 

 gulatis obtusis. Perianthia uno latere innovata, optime pyrifor- 

 mia (1 mm. longa, medio 0,67 mm. lata) apice rotundata, rostro 

 brevi valido; plicis posticis angustis latissime divergentibus, ad 

 medium decurrentibus. Folia floralia parva, 0,5 mm. longa, anguste 

 lanceolata obtusa; lobulus duplo brevior, angustus, ad medium solu- 

 tus, obtusus. Amphigastrium florale foliis fioralibus sequilongum. rllip- 

 ticum, ad l /s bilobatum, sinu angusto obtuso, lobisanguste triangulatis. 

 obtusis. Andrazcia ignota. 



Hab. Africa australis. Gnadenthal. 



3. Hygrolejeunea cordigera St. Hedwigia 1896, p. 100. 

 Dioica mediocris pallida. Caulis ad 2 cm. longus, vage longeque 



rarnosus. Folia caulina imbricata, recte patula, parum concava, in piano 

 late ligulata (1,1 mm. longa, 0,83 mm. lata) apice truncato-rotundata, 

 brevi basi inserta, basi antica truncato-rotundata, integerrima. Cellulee 

 superae 27X27 ^ basales 27X36 ^ trigonis majusculis. Lobulus 

 majusculus, folio quadruplo brevior, ovatus, recte patens, carina leviter 

 arcuata, brevi sinu in folii marginem excurrens, apice quam basis 

 triplo angustiore, exciso, angulo apiculato. Amphigastria caulina 

 imagna, caule quadruplo latiora, sinuatim inserta, subrotunda, ad l js 

 nciso -biloba, rima angusta, lobis late triangulatis acutis. Perianthia 

 m ramulis terminalia, exinnovata, late profundeque obcordato-obconica, 

 compressa, rostro parvo submerso. Folia floralia perianthio parum 

 breviora, obovato-oblonga, obtusa ; lobulus duplo brevior, late linearis, 

 haud solutus, apice recte truncatus, anguloauto. Amphigastrium floralc 

 522 



