Fig. 2
From: Xylaria species associated with fallen leaves and petioles
Xylaria appendiculata, X. appendiculatoides, and X. aristata var. aristata. A, B X. appendiculata (BPI 881476 GS4843 from Guyana), immature stromata showing perpendicular pegs arising from the surface. C–H X. appendiculatoides (holotype). C Stromata. D, E Stromatal surfaces showing conic-papillate ostioles that are tilting upwards. F Ascal apical rings and ascospores. G, H Ascospores. I–O X. aristata var. aristata (I–M holotype; N, O WSP San MartÃn 1121 from Mexico). I, N Stromata. J, K Stromatal surface. L Ascal apical ring and ascospores. M, O Ascospores. Bars in A, B, N = 1 mm; C, I = 5 mm; D, J, K = 0.5 mm; E = 0.25 mm; F–H, L, M, O = 5 μm