30 



P. DUSEN, MOSSES FROM THE WEST COAST OF AFRICA. 



Habitat in Camernnia in ramnlis arborura, nbi ad Ekundu Ndene emporium m. Julio a. 

 1892 legi. 



22 22 ' 32 



Fig. a folia ramea — ; b folia ramulina — ; c flos masculus — . 



Pl. IV. fig. 2 planta niagn. nat. 



Pilotrichella gracilicaulis C. Muller n. sp. in litt. 



Dioica; caulis repens, radiculosus; rami primarii penduli, usque ad 40 cm. longi, 

 stricti vcl leniter vage curvati, rigidiusculi, vix nitidi, basirn versus defoliati, tum remoti, 

 longissimi, basin versus sordido-virides, apicem versus pallide virides, tum multo breviores 



et densiores, valde intricati, basin versus flavo-brunnei, apicem versus pallide virides; rami 

 secundarii remoti, tum penduli, longi et iterum ramosi, tum breves, patuli, plerumque 

 simj)lices, attenuati; folia ramea primaria densa, sicca subappressa, humida patentia, ini- 

 bricata, e basi subcordata et semiamplexicauli in laräinam oblongam, e medio folio 

 attenuatam, apicem versus interdum convolutaceo-cucuUatam producta, breviuscule acu- 

 minata, bullate concava, marginibus planis, apicem versus stepissime conniventibus, sub- 



