FIGURE. 4 in Ten new species of corticolous pyrenocarpous lichens from NE Brazil

FIGURE. 4. Pyrenula celaticarpa (isotype ABL); A, habitus showing convex, dark red to almost black ostioles; B–C, ascospores; D–E, P. inspersicollaris (isotype ABL); D, ascospore; E, habitus showing a raised shared ostiole surrounded by immersed ascomata;. A, E: bar = 0.5 mm; B: bar = 10 μm; C–D: bar = 5 μm.