(VOL. V, 1912). FRANZ STEPHANl. SPECIES HEPATICARUM Ptychocoleus. 



Perianthia vix exserta, late cylindrica, duplo longiora quam lata, levia, 

 sub rostro quidem inflato-plicatula, rostro valido majusculo. Folia 

 floralia intima perianthio aequilonga, appressa, lanceolata acuta, lobulo 

 subaequilongo, breviter soluto, duplo vel triplo angustiore, acuminato 

 acuto. Amphigastrium florale intimum foliis floralibus longius, anguste 

 ellipticum, duplo longius quam latum, apice breviter inciso-bidentatum. 

 Androzcia breviter spicata, bracteis quinquejugis. 

 Hab. Madagascar. 



18. Ptychocoleus ferrugineus St. 



Syn. : Acrolejeunea ferruginea St. Hedwig. 1895, p. 57. 



Dioica magna robusta ferruginea vel fusco-brunnea, subnigra, in 

 cortice et rupibus laxe caespitans. Caulis ad 8 cm. longus, irregulariter 

 pinuatus, pinnis simplicibus ad 2 cm. longis. Folia caulina conferta, 

 oblique patula, valde concava, margine postico arcte recurvo, in plano 

 late ovata (2 mm. longa, 1,6 mm. lata) apice obtusa, ad medium 

 accreta, basi antica late rotundata. Cellulse superaa 18x27 jj,, basales 

 18 X 36 {i trigonis maximis acutis. Lobulus ovato-oblongus, in plano 

 rectangulatus, duplo longior quam latus, apice truncatus, angulo acuto, 

 rarius dente subapicali aucto. Amphigastria caulina majuscula, caule 

 quintuplo latiora, late obcuneata, transverse inserta, parum latiora 

 quam longa. Perianthia (juvenilia) quinque plicata, rostro parvo.Fo/m 

 floralia intima oblonga, caulinis multo majora, longe acuminata acuta, 

 lobulo parum breviore et angustiore, anguste lanceolato, ad medium 

 soluto, acuminato. Amphigastrium florale intimum maxime concavum, 

 totam inflorescentiam obtegens, in plano subrotundum, apice ad V* 

 exciso-bifidum, sinu amplo, lobis triangulatis acutis. Andmcia ignota. 



Hab. Africa occid. Kamerun. 



19. Ptychocoleus africanus St. n. sp. 



Dioica mediocris olivacea, fiaccida, corticola. Caulis ad 3 cm. longus, 

 irregulariter ramosus, ramis longioribus paucipinnulatis. Folia caulina 

 imbricata, subrecte patula, parum concava, in plano late ovata, symme- 

 trica (1,2 mm. longa, 0,93 mm. lata) apice late rotundata, lata basi 

 inserta, basi antica truncata. Cellulse superae 18X27 (i, basales 27x45 ^ 

 trigonis parvis. Lobulus magnus, subcylindricus, triplo longior quam 

 latus, sub apice leviter constrictus, oblique patens, carina Ieviter 

 arcuata, levi sinu in folii marginem excurrens, apice oblique truncatus, 

 angula apiculato. Amphigastria caulina magna, reniformia, caule triplo 

 latiora, profunde sinuatim inserta. Perianthia obovata, vix exserta, 

 obtuse quinqueplicata, rostro parvo. Folia floralia intima caulinis 

 30 



