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



subnodulosis, in modiu parietuni parvis. Lobulm in situ oljlougus, 

 involutus, subtriplo iongior quam latus, carina recte patula, ieviter 

 arcuata, valde inflata, levi sinu in folii niargineui abeunte, apice trun- 

 catus, angulo obtuso, in plano duplo latior, oblongus, apice emarginatus, 

 angulo acuto, alterodente subapicali sequimagno. Amphigastria caulina 

 majuscula, caule quadruplo latiora, transverse inserta, obcuiieato- 

 rotundata. Perianthia lale pyriformia, quinqueplicata, plicis longe 

 decurrentibus, rostro majusculo valido. Folia floralia intima caulinis 

 duplo majora, obovato-oblonga, apice obtusa, lobulo parum breviore, 

 duplo angustiore, lanceolato, parum soluto, obtuso. Aniphigaslrium 

 florale intimum lobulisaequilongum, ovalo-obiongum. Androecia ignota. 

 Hab. Africaoccid., Kamerun, Angola, Guinea gallica. 



6, Ptychocoleus emergens (Mitt.) St. 



Syn. : Phragmicoma emergens Mitt., Phil. Trans., vol. 168, p. 397. 



Dioica, mediocris, brunnea, in cortice spongiose csespitans. Caulis ad 

 25 mm. longus, parum longeque ramosus, ramis longiusculis, ssepe in 

 caule seriatim consecutivis. Folia caulina subrecte patula, margine 

 postico late recurvo, in plano late ovato-elliptica, asymmetrica, margine 

 postico stricto, 1,4 ram. longa, 0,93 mm. lata, apice late rotundata, 

 brevissima basi inserta, basi antica breviter rotundata. CelMx superae 

 18X36 {j,, basales 27X^5 jj, trigonis magnis acutis. Lobulus in plano 

 ovatus, carina substricta, margine supero leviter curvato, apice oblique 

 truncato, obtuse bidentato. Amphigastria caulina magna, caule triplo 

 latiora, late obcuneata, apice truncata. Perianthia pyriformia, octo- 

 plicata, rostro parvo. Folia floralia intima perianthio a:;quilonga, 

 obovato-oblonga, valde concava, lobulo duplo breviore, angusto, parum 

 soluto, apice rotundato. Amphigaslrium florale intimum lobulis aequi- 

 longum, late obcuneatum, apice truncato-rotundatum. Androecia ignota. 



Hab. Africa orientalis, Insulse Mascarenae, Seychelles. 



7. Ptychococoleus floribundus St. n. sp. 



Dioica niinor, dilute brunnea, ilaccida, corticola. Caulis ad 2 cm. 

 longus, irregulariter pluriramosus, ramis flagelliformibus radicantibus 

 numerosis. Folia caulina conferta, subrecte patula, concava, margine 

 postico arcte recurvo, in plano subovata (0,86 mm. longa, 0,65 mm. lata), 

 obtusa, brevi basi inserta, asymmetrica, margine antico magis arcuato. 

 Cellulse superae 18X27 |j,, basales 27X36 (t, trigonis parvis. Lobulu^ 

 magnus, folio duplo brevior, in situ angustus, convolutus, apice oblique 

 emarginatus, anguloacuto, in plano ovato-oblongus, elatabasi abrupte 

 attenuatus, margine supero bidentato. Amphigaslria caulina majuscula, 



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