Dasyptilon — Erskine 
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Fig. 2. Dasyptilon pellucidum (Harvey) Feldmann-Mazoyer. a , Cystocarp with girdling rhizoids; involucral 
branches four, one cut away to show apical part of shoot (Scale 2); b, fertile shoot shortly after fertilization of the 
middle carpogonium (Scale 1); c, base of a cystocarp with five gonimolobe initials (Scale 2); d , first post-fertiliza- 
tion stage: auxiliary cell just separated from pericentral cell, long shoots already tipped by hairs (Scale 2). ax., 
axial cell (fertile); aux., auxiliary cell; be., basal cell (of Oltmanns); ca., carpogonium; g.i., stalk cell of gonimo- 
lobe, in c numbered in order of development. The rhizoids are shaded. 
