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



subnodulosis, in medio parietum parvis. Lobulm in situ oblongus, 

 involutus, subtriplo longior quam latus, rarina recte patula, leviter 

 arcuata, valde inflata, ievi simi in folii marymrm abrunte, 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, obcuneato- 

 rotundata. Perianthia late pyriformia, quinqueplicata, plicis longe 

 decurrentibus, rostro majusculo valido. Folia floralia intima caulinis 

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

 duplo angustiore, lanceolato, parum soluto, obtuso. Amphigastrium 

 florale intimum lobulis sequilongum, ovato-oblongum. Andracia 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 caespitans. Caulis ad 

 25 mm. longus, parum longeque ramosus, ramis iongiusculis, saepe in 

 caule seriatim consecutivis. Folia caulina subrecte patula, marginr 

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

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

 brevissima basi inserta, basi antica brrviter rotundata. Ceilubv superae 

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

 ovatus, carina substricta, margine supero leviter curvato, apio* oblique 

 truncato, obtuse bidentato. Amphigastria caulina magna, caule triplo 

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

 plicata, rostro parvo. Folia floralia intima perianthio sequilonga, 

 obovato-oblonga, valde concava, lobnlo duplobreviore, angusto, parum 

 soluto, apice rotundato. Amphigastrium florate intimum lobulis aequi- 

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



Hab. Africa orientalis, Insulse Mascarenae, Seychelles. 



7. Ptychococoleus floribundus St. n. sp. 



Dioica minor, dilute brunnea, flaccida, corticola. Caulis ad 2 cm. 

 longus, irregulariter pluriramosus, ramis flagelliformibus radicantibus 

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

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

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

 Cellulae superae 18X27 basales 27X36 trigonis parvis. Lobulus 

 magnus, folio duplo brevior, in situ angustus, convolutus, apiceoblique 

 emarginatus, angulo acuto, in plano ovato-oblongus, e lata basi abrupte 

 attenuatus, margine supero bidentato. Amphigastria cautina majuscula, 

 24 



