Fig. 6.

Helminthosporium caespitosum. A–E. Conidiomata in face view. F. Conidiomata in side view. G. Old stroma of Coryneum lanciforme in section below Helminthosporium conidioma. H–M. Conidiogenous cells with apical pore (L). N–F1. Conidia (young in N–R and mature in T–F1); N–X. vital, Y–F1. dead; F1. showing coarse verrucae on conidial wall. H–L, C1–F1. in 3 % KOH, M–B1. in water. A, C, D, F, M–X. WU 38829; B. WU 38831; E, G, H–L, Y–F1. CBS-H 713 (epitype). Scale bars: A = 2 mm; B = 1 mm; C, D, F = 500 μm; E, G = 200 μm; H–F1 = 20 μm.