172 



Nardia verrucosa St. n. e^p. Dioica^ llavcscens, majors 

 dense eacspilusa. Caul is pauciranioisus pio more sijuplex 

 sul) flore iniiovatus, infenie valdc stoloniferus, postice radi- 

 cellia flavo -brunneis lungis obsitus. Folia interiora parva 

 ovala superiora scnsiin nuijora linguaci'ormia i eniotiuscula 

 oblique patentia, tenerriiua in aqua dillicilliuie rrvivesccntla, 

 cuticula hyaline verrucosM; antice Jongius decurreulia, postiee 

 breviter inserta, basi antica eoncava ceterum plana. Cellulao 

 niarginales 0,025 nim, modiauae 0,035:0,050 mm, bas^ies 

 O;035 : 0.070 mm incras.^atia nulla. A mphi^^astri a nulla, 

 Pe r i an t hi a (jiiniora occulta) matura foliis tloialibus vix 

 lorigiora, eorum nuirginibus rceuivis longe ex^erta, clavata, 

 oylindrica, aj)ico lenitor an^ustato sat profunde 5 fida, lobis 

 crenulatis vci hie illic cellula singula tfoluta denlatis. Folia 

 11 or alia bijuga, eanlinis multo majora ovato-rotunda, niaigine 

 erispata vel undulata, inlimuni maximum perianthio alte 

 accretun), rcliqua libera, Androecia ignota, 



11 a b. Kamorun. Duscn No. 12CB. 



■ 



Cum Nardia lingidfolia G. comparanda quae perianthio 

 plieatim constrict o loliisque floralibus multo angustioribus 

 distinguenda. 



Kadula tubae flora St. n. sp. Dioica, parva, flavo- 

 rufescen?, in foliis arete reptms. Caulis multiramosus, ramis 

 divaricatis regularitor brevipinnatis, pinnulis recte patciitibus 

 in planta mascula amentulosis. Folia obliqu ) patentia, 

 ovata, obtusa vel apice rotuncbita. CeUulae apieales 

 Oj008 nun , medianae 0^017 mm , basales 0,025 mm , in- 

 crassatio nulla. Lobulus tolio fere quadruple brevier, sub- 

 quadratus, turgidus vel radicellarum tractu saccatulus, cauli 

 baud incumbens scd latcraliter insertus, carina leniter arcuata 



levi ainu in folium excurrens basi(jue in caule deseendens; 

 mar go superior sub strict in?, apex iubuli oblique truneatus 

 angulo obtuso. Androecia longe spieata^ braeteis 8 — 12 

 jugis, conierlis, basl iiu^xime saccatis apice angustato ligulato 

 porrccto imbricatis. Perianthia pseudolateralia, pro planta 

 longissima, ad -/s an^uste cylinnrica, supcrne leniter ainpliata, 

 ore truncate compresso irre^ulariter repando exeiaoque. 

 Folia tloralia caulinis multo nnnoia, hasi erecto-vagi- 

 nantia, superne deorsum nutantia, oblongof'aicata, lobulis ^/s 

 brevier ibus acutiusculis. 



Mab. Kamerun, in t\)liis vivis irequens. leg Duscn 

 No, 453 cum aliis hepaticis. 



Quoad lobuli formam liadulae IloUii Spruce similis, 

 quoad perianthium compresso-clavatum cum liadida sleno- 

 calyci solum comparanda. 



