The image is a vintage botanical illustration featuring three rectangular sections of a plant stem, labeled as 'TRANSVERSE SECTION.', 'RADIAL SECTION.', and 'TANGENTIAL SECTION.'. The sections are presented in a grid-like arrangement on a dark background. Each section displays a detailed cross-section of the plant's internal structure, with visible vascular bundles and cellular patterns. The sections are sepia-toned, giving the image an aged appearance. Above the sections, the text '154. DALEA SPINOSA, GRAY.' and 'Dalea, Indigo Bush.' are printed. Below the sections, additional text in a smaller font reads 'Ger. Dorniger Dalea. Fr. Dalea à epines. Sp. Dalea espinoso.' and 'Published and Sections made by Romeyn B. Hough, B.A., Lewville, N. Y., U. S. A.'. The overall aesthetic is reminiscent of a scientific illustration from the late 19th or early 20th century.