(Vol. V, 1914). FRANZ STEPHANI. SPECIES HEPATICARUM Hygrolejeunea. 



decurva, obtusa vel acuta, vulgo ovata, ad medium inserta, basi antica 

 truncata vel rotundata, rarius ampliata et caulem superantia, margi- 

 nibus semper celluloso-crenulatis. Folia ramulina minora, in ramulis 

 ultimis minora. Cellulx magnae, regulariter hexagonae, basales elongatae 

 tenerae veltrigonis incrassatae, parietibus rarius validis; cuticula levis, 

 in paucis minute aspera, cellulis inflatis plus minus papulosa. Lobulus 

 valde variabilis, oblongus vel ovatus vel late triangulatus, apkv vulgn 

 recte truncatus, angulo acuto vel obtuso, rarius spinifero. Cellula 

 rlavata hyalina majuscula. Amphigastria caulina plus minus profunde 

 sinuatim inserta, rarius transverse accreta, magna et maxima, rarius 

 minora integerrima vel bifida, vulgo rotunda vel reniformia. Perianihia 

 uno latere innovata, obovato-oblonga vel clavata vel pyriformia, semper 

 quinqueplicata, plica antica saepe humiliore vel obsoleta. Foliu flnralin 

 perianthio multo breviora, in aliis aequilonga, obovato-oblonga, acuta 

 vel obtusa, integerrima vel varie armata. Lobulus floralis majusculus 

 vel magnus, plus minus profunde solutus. Amphigastrium florale 

 magnum, lobulis saepe breviter connatum, apice bifidum vel integrum. 

 Andracia semper parva, in caule sessilia, bracteis paucijugis, rarius 



1. Hygrolejeunea atata (G) St. Insulse Mascarense. 



2. Hygrolejeunea Breuteliana St. n. sp. Africa australis. 



3. Hygrolejeunea cordigera St. Madagascar. 



4. Hygrolejeunea Dismieri St. n. sp. Madagascar. 



5. Hygrolejeunea grossecristata St. San Thome. 



6. Hygrolejeunea leucosis B. et S. Madagascar. 



7. Hygrolejeunea lyratidora St. Kamerun. 



8. Hygrolejeunea papilionacea St. Kamerun. 



9. Hygrolejeunea parva St. n. sp. Madagascar. 



10. Hygrolejeunea patellirostris St. San Thome. 



11. Hygrolejeunea pterota (Tayl.) St. St Helena. 



12. Hygrolejeunea pulcherrima St. S. Thome. 



13. Hygrolejeunea Staudtiana St. n. sp. Karnerun. 



a. Integristipulce 

 14. Hygrolejeunea catinulifera S. Andes quitenses. 

 13. Hygrolejeunea costaricensis St. Costarica. 



5t8 



