117 



«lungerinanniacese* 



Plagiochila bamingensis Steph. nov. sp. 



Sterilis, mediocris, flavo-virens, terricola, in terra laxe intricata. Caulis 

 ad 5 cm. longus , validas , fuscus , simpiex vel pauciramosus. Folia remo- 

 liuscula oblique a caule patula anguio A5°, decurvo-homomalla, margi- 

 nibus incurvis vel involulis , valde coucava , in piano ovata , postice breviter 

 inserta, antice decurrentia, ceterum maxime variabilia, laie ovata vel late 

 obcuneata vel subquadrata marginibus répandis vel angulatis , bic illic den- 

 ticulo armatis vel integerrimis. Cellulœ apicales 18 fji, basales 18 x 36 fx, 

 trigonis parvis. Folia ramulina vix di versa. — Steph. 



Haut-Oubangui. — Région des sources du Bamingui, 17 janvier 1900, 

 leg. Aug. Chevalier; Bangui, août 1902, leg. Aug. Chevalier. 



Alobiella Chevalier! Slepb. nov. sp. 



Monoica, mediocris, palHde virens, debiiis, in cortice laxe caespitans. 

 Caulis ad 2 cm. longus, pluriramosus , ramis semper posticis longis, fla- 

 gellis nuUis. Folia caulina remotiuscula , rarius imbricata, plano-disticba , 

 subrotunda, apice saepe retusa . basi angustata. Cellulœ apicales i4 x i4 {x^ 

 basales i4 x 36 fx ieptodermes. Amphigastria caulina nulla. Perianthia in 

 ramulo breviusculo postico terminalia cylindrica superne paucipbcata, ore 

 truncato leniter conlracto crenulato. Folia Jloralia paucijuga, inferiora 

 squamiformia , suprema amphigastrio alte coalita excipulum sexlobatum 

 formanlia, lobis ovatis acutis vel obtusis irregulariter eroso-dentatis. An- 

 drœcia perianthio approximata in ramulis parvis spicata, bracteis minutis 

 7-10 jugis conferlis inflatis bilobis, lobo antico angustiore subacuto postico 

 rotundato. 



Congo français. — Brazzaville, marigots, 20 juillet 1902, leg. Aug. 

 Chevalier. 



Proxima A. heteromorplm ; bene distincta cellulis foliorum multo mino- 

 ribus, perichsetio dentato. — Steph. 



Archilejeunea elobulata Stepli. nov. sp. 



Autoica , mediocris , virens vel flavo-virens , rarius fuscescens , in cortice 

 laxe cœspitans. Caulis ad 26 mm. longus, debiiis, irregulariter multira- 

 mosus. Folia caulina imbricata, recte patida, subplano-disticlia , ligulata, 

 leviter falcata, apice rotundata (1,2 mm. longa, medio 0,8 mm. lata). 

 Cellulœ superœ 18 fx, basales 18 x 36 fx, trigonis parvis. Lobuhs parvus. 



