Friesia X, 4-5

- 243
Fig. 16. Grains of sand bound together by the dark mycelium strands of
Oorollospora sp. Perithecia with a short neck are seen as rather large,
black dots. The smaller shining black bodies are waste oil . The wood
is placed immediately under the grains of sand (from zone 3).
Grønhøj 24.8.1967. x 8.
(Fig. 16 and 17). Species with perithecia on the surface of the wood
are also mainly observed in zone 3 (see Table 2).
Some pieces of the driftwood in the upper part of zone 3 must
be considered as stranded. For 2-3 years they may develop fruit bo dies
Fig. 17. Binding of sand by dark mycelium growing out of the wood. This
type af mycelial growth is common in connection with wood in zone 3.
Amylocarpus encephaloides was found on the wood (Populus ) and Oorollo-
spora lacera in the sand. Grønhøj 5.4.1969. X 1/ 3.
16*