Fig. 12
From: Xylaria species associated with fallen leaves and petioles
Xylaria vermiformis and cultures of various Xylaria taxa. A–GX. vermiformis (holotype). A Stromata. B, C Stromatal surfaces. D Vertical section of a depressed-spherical perithecium. E Ascal apical rings and ascospores. F, G Ascospores; the enlarged ascospore in G showing a spore-length germ slit. H–M. Colonies of various Xylaria taxa formed on 9-cm Petri plates containing OA. H X. amphithele (from Lechat 5352) at 2 week. I X. aristata var. aristata (from Ju 1823) at 4 week. J X. simplicissima (Pennanen MP111004) at 2 week. K, L X. minuscula (from holotype) at 4 week; closeup of stunted stromata produced at periphery in L. M X. vittatipiliformis (from holotype) at 4 week. Bars in A = 5 mm; L = 2 mm; B = 0.5 mm; C, D = 0.25 mm; E–G = 5 μm.