(VOL. V, 1012). FRANZ STEPHANI. SPECIES HEPATICARUM Ptychocoleus. 



longus, pariini longeque ramosus. Folia caulina conferla, recte patula, 

 valde concava, in plano subrotunda (0,86 mm. longa, 0,7 mm. lata), 

 apice rotundata, ad mediura accreta. Cetlulae superae 18 [j, validae, basales 

 27X36 (jL trigonis subnuUis. lo/^w/ws magnus, oblique adscendens, in 

 situ duplo longior quam lalus, carina leviter arcuata, levi sinu in folii 

 inarginem excurrens, inflata, apice oblique truncatus biangulatus. 

 Amphigastria caulina reniformia, caule triplo latiora, profunde sinuatim 

 inserta. Perianthia late pyriformia, octoplicata, plicis humilibus, rostro 

 parvo. Foliafloralia caulinis subduplo longiora, obovato-oblonga, apice 

 rotundata, lobulo parum breviore, breviter soluto, duplo angustiore, 

 apice obtuso. Amphigastria floralia intima, lobulis parura breviora, 

 obovato-obcuneata, apice late truncato-rotundata. A^idroecia in caule 

 terniinalia, bracteis confertis ad 10 jugis. 

 Hab. Africa centralis, Congo. 



2. Ptychocoleus flagelliferus St. n. sp. 



Dioica, parva, brunnea, flaccida, in cortice laxe csespitans. Caulis ad 

 2 cra. longus, irregulariter raultiramosus, ramis flagellatim attenuatis 

 microphyllis nuraerosis. Folia caulina confertissiraa, oblique patula, 

 valde concava, squarrose patula, in plano late ovata (0,93 mm. longa, 

 0,8 mm. lata), obtusa, longa basi accreta. Cellulee superse 18X27 {i,, 

 basales 27X^5 0, trigonis raajusculis acutis. Lobulus oblongus, folio 

 subduplo brevior, apice angustus leviterque eraarginatus, angulo acuto 

 vel bidentulo, carina oblique adscendens, substricta, stricte in folii 

 marginem excurrens, valde inflata. Amphigastria caulina raajuscula, 

 caule triplo latiora, obcuneata, transverse inserta, apice late truncato- 

 rotundata. Perianthia foliis caulinis subsequimagna, vix exserta, late 

 pyriforraia, 9-pIicata, plicis longe decurrentibus hurailibus, rostro pan^o. 

 Folia floralia intima caulinis duplo majora, obovato-oblonga, obtusa, 

 lobulo parura breviore, duplo angustiore, paruni soluto, truncato, 

 angulo obtuso. Amphigastrium florale intiraum lobis sequilongum late 

 ovatura integerrimum. Androecia ignota. 



Hab. Africa, Brazzaville. 



3. Ptychocoleus amplectens St. 



Syn. : Phragmicoma amplectens St., Bot. Jahrb., VIII, p. 86. 



Dioica mediocris rufescens, valida, in cortice et rupibus late expansa. 

 Caulis ad 4 cra. longus, maxime ramosus, ramis ad 2 cm. longis, irregu- 

 lariter pinnulatis. Folia caulina conferta, recte patula, concava, in plano 

 late ovata (1,2 rani. longa, medio 0,93 ram. lata), apice rotundata vel 

 obtusa, ad mediuin accreta. Cellulx sw^evdd 18X27 |i, basaIes27X45 jj. 



