DEVELOPMENT OF THE STOMA IN GNETUM GNEMON.-In connexion with my study of Welwitschia 1 I may here describe the development of the stoma in Gnetum Gnemon, which shows a similar type to the former plant.The structure of the stoma is very much the same as already described in Gnetum africanum .2Stomata are present on the under surface of the leaf, except on the veins, and are irregularly orientated.A mature epidermal cell has a sinuous outline resembling
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Hisayoshi Takeda (1913) studied this question.