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



obtegens, obcuneatum, apice late truncato-rotundatum. Androzcia in 

 ramulis terminalia, ex apice vegetativa, bracteis paucis confertis. 

 Hab. America tropica, Amazonas. 



Die auffallende Ausbildung des oberen Randes (am lobulus folii) hat 

 Spruce nicht gesehen ; sie ist, so weit meine Erfahrung reicht, einzig 

 in ihrer Art. 



32. Ptychocoleus multiflorus St. n. sp. 



Autoicus mediocris, rufescens, flaccida, in cortice et rupibus laxe 

 csespitans lateque expansa. Caulis ad 4 cm. longus, irregulariter brevi- 

 terque ramosus. Folia caulina conferta, subrecte patula, parum concava, 

 in plano late ovata, subsymmetrica (1,26 mm. longa, 0,93 mm. lata), 

 apice rotundata, ad medium accreta, basi antica subtruncata. Cellulse 

 superse 14X27 ja trigonismajusculis, basales 1 8 X 27 {i trigonis magnis, 

 parietibus flexuosis. Lobulus in situ ovato-oblongus, folio duplo brevior, 

 sub apice constrictus, apice quam basis duplo angustiore, truncato, 

 acuto, carina leviter arcuata, levi sinu in marginem folii excurrens; 

 in plano ovatus, folio triplo brevior, truncatus, acutus. Amphigastria 

 caulina magna, caule 5-plo Iatiora, sinuatim inserta, obcuneata, apice 

 truncata. Perianthid parva, obovata, 5-plicata, rostro valido. Folia floralia 

 intima, perianthio longiora, obovata, leviter falcata, apiculata, lobulo 

 subaequilongo, ex angusta basi lanceolato, ad x /3 soluto acuminato acuto. 

 Amphigastrium florale maximum, lobulis aequilongum, ovato-oblongum, 

 apice breviter inciso-bifidum. Andrcecia in ramis longe spicata, bracteis 

 ad 10 jugis parvis, ex apice vegetativa. 



Hab. Brasilia orientalis. 



33. Ptychocoleus polycarpus (Nees) Evans, Torr. Bot. Cl., 

 1908, p. 162. 



Syn. : Acrolejeunea polycarpa S., Hep. Am. Acad., p. 116. 

 Phragmicoma polycarpa Nees, Syn. Hep., p. 295. 

 Lejeunea domingensis Taylor, J. of B., 1846, p. 389. 

 Autoica major flaccida, flavo-rufescens, corticola depresso-caespitans. 

 Caulis ad 6 cm. longus, irregulariter remoteque pinnatus. Folia caulina 

 imbricata, oblique patula, concava, acuta, in plano ovata (1,46 mm. 

 longa, 1 mm. lata) ad medium accreta, basi antica breviter rotundata. 

 Cellulse superae 18X27 |x, basales 18x45 trigonis majusculis. 

 Lobulus in situ oblongus, parce occultus, in plano ovato-triangulatus, 

 apice quam basis triplo angustiore, truncato acuto. Amphigastria caulina 

 majuscula, caule triplo latiora, sinuatim inserta, obcuneata, vix longiora 

 quam lata. Perianthia pyriformia, 5-plicata, plicis inflatis parum decur- 

 36 



