FIGURE 4 in A new species of the genus Vellozia (Velloziaceae) from Minas Gerais, Brazil, with comments on endemism, distribution and conservation

FIGURE 4. Transverse median sections of the leaf blades, pedicels and hypanthia. A,C&E Vellozia crinita (R.J.V. Alves 12526, R), B,D,F&G V. fontellana (R. Sadala-Castilho 1, R). A–B: Leaf blades. Heterogeneous mesophyll consisting of adaxial hypodermis (Hy) and abaxial hypodermis (*), aquiferous parenchyma (Ap), palisade parenchyma (Pp) and spongy parenchyma (Sp). Collateral vascular bundles consist of two phloem strands forming a V-shaped unit either continuous (Cp) or discontinuous (Df). C–D: Pedicels. Note the triangular shape of vascular bundles in V. crinita (C) and circular in V. fontellana (D). E–F: Emergences on hypanthia. E. Linear-subulate, non-secretory emergences. F: Capitate oil-resin glands. G: Detail of oil-resin secretion at head apex, stained with copper acetate (arrow). Scale bars: 100 μm (A,B,E&F), 500 μm (C–D), 50 μm (G). Dyes used: A–D: safranine and astral blue, E–F: toluidine blue, G: copper acetate. (Photos A–B by A.R. Guimarães, C–F by M.L. Wetzel and G by R. Sadala-Castilho).