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



Ptvchocoleus Trevis, 1876 



(Acrolejeunea Spruce, 188-4) 



Plantae mediocris flaccidae corticolse vel rupiculse, spongiose caespi- 

 tantes, rufo-brunnsee vel flavo-rufescentes. Caulis 2-7 cm. longus, 

 irregulariter raraosus, ramis sparsis, interdum fasciculatim approxima- 

 tis, aliis parvis decurvis flagelliformibus, radicantibus. Folia caulina 

 imbricata, recte vel oblique patula, concava, obtusa rarius acuta, inte- 

 gerrima. Lobulus magnus, varie armatus, denticulatus vel mamillatus, 

 inflatus, apice truncatus. Cellul^ foliorum majusculae, semper valide 

 incrassatce. Amphigastria caulina obcuneata, rotunda, transverse vel 

 sinu2itimmsert2i,integei'nma. Perianthia inramis terminaliainnovatione 

 nulla, pluriplicata, plicis 5-10, inflatis, nudis, rostro parvo. Folia floralia 

 plurijuga, caulinis similia, interdum acuta armata, lobulo 7nagno lan- 

 ceolato acuto, integro vel armato. Amphigastria floralia infima caulinis 

 similia, supera sensim aberrantia, suprema saepe bifida. Androecia in 

 ramis terminalia vel ex apice vegetativa. 



Africa 



1. Ptychocoleus Vanderyslii St. n. sp. 



2. Ptychocoleus flagelliferus St. n. sp. 



3. Ptychocoleus amplectens St. 



4. Ptychocoleus convexus St. 



5. Ptychocoleus confertissimus St. 



6. Ptychocoleus emergens (Mitt.) St. 



7. Ptychocoleus floribundus St. n. sp. 



8. Ptychocoleus Henriquesii St. n. sp. 



9. Ptychocoleus occultus St. 



10. Ptychocoleus pusillus St. n. sp. 



11. Ptychocoleus Renauldii St. 



12. Ptychocoleus madagascariensis St. n. sp. 



13. Ptychocoleus inermis St. n. sp. 



14. Ptychocoleus Quinlasii St. n. sp. 



15. Ptychocoleus Pappeanus (Nees) St. 



16. Ptychocoleus Molleri St. 



19 



