IT is a matter of interest that, notwithstanding the very large number of substances that have been isolated from lichens, there is only one recorded example of a material containing nitrogen, namely, picroroccellin, isolated by Stenhouse and Groves in 1877 from a variety of Roccella fuciformis, and to which they attribute the formula C₂₇H₂₉O₅N₃.

Affiliations

1. Chemistry Department, University College, Dublin. Sept. 2.

   • M. P. JONES
   • , J. KEANE
   •  & T. J. NOLAN

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Publication history

DOI

https://doi.org/10.1038/154580b0

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