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Lophocolea Newtoni, St. 



Hab. : lietweeu Kisala aiul Lundu (Mayombe) (D' PoMA). 



Cephaluzia fissa. St. 



Hab. : Between Kisala and Lundu (Mayombe) (U' Pdma). 

 Obs. : Agrées exactly witli original spécimens froni Stephani. 



Sprucella succida (Mni .) St. 



Hab. : Between Kisala and Lundu (Mayombe) (D^ Poma). — Région of 

 Mpese June 1912 (R P. H. Vandeki'jst). — VVombali, August 1913 

 (R P. H. Vanderijst). — Moka, Sept. 1914 (R. P. H. Vanderijst). 



Lepidozia nematodes (Aust.) Howe. 



(Cephalozia nematodes, Aust.; Lepidozia chaetophylla, Spruce). 

 Hab. Between Kisala and Lundu (Mayombe) ( D' Poma). 



Plagiochila Pomai, n. sp., Pears. (Fig. IX). 



Dioicum; magnituilo média vel major; color liavo-viridis; laxo-c;vspito.sum. 



(jauhs dichotomo-ramosus; Rami patentes. 



Fdlia dcnsa, subopposita, palentD-iiveigentia vel patentia (6c°-70''), triangulata, ligulata, 

 truncata; niargo antenor perdecurrens, recurvata. intégra: marjjo poslerior, arctuata 

 propc basem subampliata, in mediani caulem extendens, decurrens, subrecurvata, margo 

 intégra, reinote deniata excepto a medio ad apicem, apex obtusus, truncatus vel raro acutus ; 

 Denlis 3-5 parva- ex 1-3 cellulis in long X 2-3 in lat. prore basem ; celluUe parvoc, quadrat;e 

 vel oblongo-quadrata-, tiigones magna'. 



Bracte;e ovalo-lanceolata', laciniata', cum circa 20 laciniis. 



Perianihus immaturus cum 15-20 archegoniis. Os laciniatum ; magnitude) laciniarum circa 

 30-50 cellula- in long, et 2-4 cellula^ in lat. in base. Planta Q* simplex vel subraniosa, 

 ilaccida. delicata. 



Bracteae Ç> intercalaria-. 10 pares, lobus ovatus, apex truncatus vel acuius, integrus vel 

 1-2 denlatus; lobulus ovatus, '/a magnitudo lobi. 



Dioicous. Médium to lurgish in size; yellowisii green in colour; loosely 

 caespitose. Stems dichotomously ramose; branches spreading Leaves appro 

 ximate, almost opposite, patênt-divergent to patent (ôc-zo"), trigono- 

 ligulate, truncate; antical (lowev) margin verj' longly decurrent, recurved, 

 entire; postical (upper) margin, arcuate neaf the base, slighty ampliate, 

 extending to the middle of the stem, decurrent, slightly recurved, margin 

 entire, except from the middle to apex distantly dentate, apex obtuse, 



