Page:Aspects of nature in different lands and different climates; with scientific elucidations (IA b29329668 0002).pdf/188

 *[Footnote: appearance produced by the square shape of their stems, by flattenings not caused by any external pressure, and by riband-like wavings to and fro. Cross sections of Bignonias and Banisterias shew cruciform or mosaic figures produced by the mutual pressure and interpenetration of the stems which twine around each other. (See very accurate drawings in Adrien de Jussieu's Cours de Botanique, p. 77-79, fig. 105-108.)]*