Hygrotejeunea. FRANZ STEPHANI. SPECIES HEPATICARUM (V0L.V,19U.) 



75. Hygrolejeunea Graeffeana St. n. sp. 



Sterilis magna robusta, pallide fiavicans, in cortice dense depresso 

 csespitans lateque expansa. Caulis ad 7 cm. longus, sparsiin minuteque 

 pinnatus, paucis ramis longissimis interjectis, similiter pinnatis. Folia 

 caulina conferta, recte patula valde concava, in plano ovato-lingulata 

 (1,5 mm. longa, 1,17 mm. lata) apice truncato-rotundata, brevi basi 

 inserta, basi antica truncata. Cellulse superae 27x27 {t, trigonis 

 stellatis, basales 36X54 {i, trigonis magnis in parietibus validis. 

 Lobulus in situ fusiformis, recte patens, sub apice maxime constrictus, 

 in plano ovatus, carina bene arcuata, sinu profundo in folium 

 excurrens, apice quam basis duplo angustiore truncato, angulo acuto. 

 Amphigastria caulina magna, caule quintuplo latiora, leviter sinuatim 

 inserta subrotunda, ad 2 /a biloba, rima angusta obtusa, lobis obtusis. 



Hab. Samoa (Ovalau). 



76. Hygrolejeunea javanica St. n. sp. 



Dioica minor pallide virens, fragillima, in cortice spongiose csespi- 

 tans lateque expansa vel pulvinata. Caulis ad 15 mm. longus, irregu- 

 lariter multiramosus. Folia caulina parum imbricata, oblique patula 

 valde concava, in plano ovato-elliptica (0,83 mm. longa, 0,58 mm. 

 lata) apice late rotundata, brevi basi inserta, basi antica late rotundata, 

 integerrima, in facie papulosa. Cellulte superse 27 X 27 ji, trigonis 

 majusculis, basales 27X36 p trigonis parvis. Lobulus majusculus, 

 folio triplo brevior, in situ oblongus, valde involutus, ex parte occul- 

 tus, in plano subrotundus, carina bene arcuata, levi sinu in folii mar- 

 ginem excurrens, apice quam basis vix angustiore, oblique truncato, 

 angulo apiculato. Amphigastria caulina gigantea, subduplo latiora 

 quam longa (0,9 mm. lata, 0,58 mm. longa) sinuatim inserta, optime 

 cordatim ampliata, apice breviter exciso-bilobula, lobis acutis. Perian- 

 thia uno latere innovata, magna, clavata (1,5 mm. longa, superne 

 0,67 mm. lata) apice rotundata, rostro brevi latissimo; plicis posticis 

 ad medium decurrentibus angustis. Folia floralia perianthio subduplo 

 breviora, obovato-oblonga (1 mm. longa, 0,4 mm. Iata) obtusa; lobu- 

 lus tertio brevior, anguste lanceolatus, ad x /3 solutus, obtusus. Amphi- 

 gastrium florale lobulis aequilongum late ovato-ellipticum, liberum, 

 ad V» inciso-bilobatum, sinu subrecto, lobis late triangulatis, acutis 

 vel apiculatis. Androzcia ignota. 



Hab. Java. 



77. Hygrolejeunea laxiretis St. Hedw . 1896, p. 102. 

 Dioica, minor, dilute flavo-virens, dense depresso-csespitans, corti- 



29 Ma. 1944. 561 36 



