• D D Awasthi

      Articles written in Proceedings – Section B

    • On new lichens from the himalayas—I

      D D Awasthi

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      The paper deals with 7 new species and one new variety of lichens from the Himalayan region. They areCetraria pallida Awasthi,C. nepalensis Awasthi,Physcia melanotricha Awasthi,Ph. askotensis Awasthi,Anaptychia himalayensis Awasthi,A. pellucida Awasthi,Peccania Höegii Awasthi, andPhyscia endococcina var.latiloba H. Magn. Mention may be made of the two interesting features, notably deep blue colouration in the cortical region ofAnaptychia himalayensis andA. pellucida by the interaction of iodine solution and the strange dark nubilations in the thecium ofPeccania Höegii.

    • On a collection of macrolichens by the Indian expedition to Cho-Oyu, East Nepal

      D D Awasthi

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      The paper deals with 38 species under 12 genera of lichens that had been collected by Mr. R. S. Rao, Botanist Member of the Indian Expedition to Cho-Oyu in East Nepal. Five species as new reports for the Himalayas are described.

    • Some foliose and fruticose lichens from assam and north-east frontier agency of India

      D D Awasthi

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      The paper deals with a collection of foliose and fruticose lichens collected by Mr. R. S. Rao and Dr. G. Panigrahi from Assam and North-East Frontier Agency of India. The total number as determined is 72 species under 18 genera and 9 families in a collection of about 145 specimens. Notable aspects of the investigations are the new reports from this region of the species—Cetraria asahinæ, C. straminea andUsnea asahinæ—and the discovery of the fertile state of the specimensAnzia physoidea andCetraria straminea which were so far known in the sterile condition only.

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