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Rai H. N. Chaudhurai ¹, R. N. Kayal ¹

Affiliations
1 Botanical Survey of India, Calcutta, IN

Abstract

The pharmacognostic studies on the stem barks of four species of Cinnamomum viz. Cinnamomum zeylanicum Blume, C. camphora Nees & Eberm., C. tamala Fr. Nees & C. iners Reinw. have been made. Macroscopic and microscopic characters and the characters of the powders of each bark have been studied and the authentic diagnostic characters of each bark were noted down in the table. These will remove confusion in proper identification of the market samples and will also help in checking adulterations.

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V. Mudgal ¹, R. N. Kayal ¹

Affiliations
1 Botanical Survey of India, Howrah, IN

Abstract

The diagnostic, characters of flower powders of H. rosa-sinensis and its adulterants have been worked out in the present study. The powder of the genuine drug can be identified on the basis of frequency of different types of trichomes, measurements of pollen grains and its spines, number of pores and fluorescence response under ultra-violet lamp.

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G. N. Tribedi ¹, R. N. Kayal ¹, Rai H. N. Chaudhuri ¹

Affiliations
1 Botanical Survey of India, Horwah, IN

Abstract

The paper deals with fifty species of medicinal plants collected from Nilgiri hills, Kaptipada, Poradiha and Bhanjabasa in Mayurbhanj (Orissa), indicating their unrecorded local medicinal uses.

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