[685] Hue 1911².
[686] Tulasne 1852.
[687] Bornet 1873.
[688] Bonnier 1889².
[689] Maire 1905.
[690] Neubner 1893.
[691] Brefeld 1889.
[693] Bornet 1873.
[694] Bornet’s observations have not been repeated, and it is possible that he may have been dealing with a parasitic hyphomycetous fungus.