(VoL.VI, 1922) frajnzstephani. specip:s uepaticarum Tylimanthus. 



18 X 18 (JL trigonis majusculis acutis, basales 27 x 36 [x trigonis 

 magnus subnodulosis, cuticula minute aspera. 



Hab. Juan Fernandez (Skottsberg legit). 



28 . . Tylimanthus bisetulus St. n. sp. 



Sterilis parvus rigidus, virens, aliis hepaticis rupicolis consociatus. 

 Caulis ad 15 mm. longus, simplex validus fuscus. Folia caulina 

 parum imbricata, subrecte patula, canaliculatim concava, subcon- 

 duplicata, in plano late ovata (3 mm. longa, medio 2,5 mm. lata) 

 symmetrica, basi antica breviter lateque decurrens, apice late 

 truncata, angulis spina longa angusta armatis, spinis oblique patulis, 

 parallelis, setaceis, ad apicem plantse vergentibus. Cellulge superse 

 27 X 36 (i, trigonis majusculis, basales 36 x 45 (j. trigonis ubique 

 magnis acutis, cuticula levis. 



Hab. Nova Caledonia (Lerat legit). 



29. Tylimanthus camensis St. n. sp. 



Dioica magna, valde robusta, flavo-rufescens, in cortice dense 

 depresso-csespitans. Caulis ad 4 cm. longus, simplex vel furcatus. 

 Folia caulina conferta decurvo-homomalla valde concava, in plano 

 late obovato-obconica (2,33 mm. longa, medio 1,67 mm. lata) basi 

 utrinque decurrentia, symmetrica, margine supero nudo, infero sub 

 apice bidentato, apice ipso 0,67 mm. lata, emarginata, angulis 

 dente valido armatis. Cellulse superse 36 x 36 (x parietibus validis- 

 simis, basales 27 x 126 (x parietibus tenuibus. Cuticula minute 

 aspera. 



Hab. Fuegia (Halle legit). 



30. Tylimanthus congoensis St. n. sp. 



Sterilis major flaccida, rufo-brunneo, in cortice dense depressa 

 csespitans. Caulis ad 4 cm. longus, simplex, inferne validus, atte- 

 nuatus, inferne fuscus, superne rufescens. Folia caulina contigua, 

 oblique patula, parum concava, in plano lingulata, symmetrica 

 (4 mm. longa, medio 2,75 mm. lata) margine infero breviter decur- 

 rente, lata basi inserta, apice obUque truncata, marginibus inferis 

 nudis, superis ubique dense regulariterque dentatis. Cellulse superae 

 27 X 27 (x basales 27 x 54 (x trigonis parvis, cuticula levis. 



Hab. Congo Lusonga (Lerat legit). 



31 . Tylimanthus bifidus St. n. sp. 



Sterilis parva rigida, rufescens, in rupibus laxe csespitans ; Caulis: 

 ad 25 mm. longus, simplex vahdus, rigidus, fuscus e caudice repente 



246 



