Fig. 4

Elaphomyces oreoides. A. Ascomata showing peridial surface, gleba, and peridium in section (OSC 149248, photo T.F. Elliott). B. Surface of the peridium showing the warts. C. Ectomycorrhizas embedded within the inner peridium. D. Outer peridium showing the gradation of the dark-colored outer hyphae into the paler colored inner hyphae. E. Ascospores with ornamentation in surface view showing the reticulate pattern of the ornamentation. F. Ascospores in cross-sectional view showing the height and pattern of the ornamentation. G. Scanning electron micrograph of ascospores. H. Scanning electron micrograph of ascospores showing the fine detail of the ornamentation. B–H (OSC 149979). Bars A = 20 mm, B, C = 500 µm, D = 20 µm, E–G= 10 µm, H = 5 µm.