Friesia X, 4-5

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11. Corollospora tubulata KOHLM.
H alosphaeriaceae
Lit.: Ber. Deutsch. Bot. Ges. 81: 53-61, 1968.
Perithecia about 0.5 mm in diameter, globose with short beak,
black. Attached t o sand grains adhering to the wood , only rarely on
the wood itself. The original description (J. K OHLME YE R 1968) states
that asci have not been obse rved . Even though the species is common
Fig. 6. Oorollospora t ubulata. a) Asci; b) Young spores. X 230 .
From collection at Grønhøj 26.8.1967.
the present author has only seen asci in one colleetion from the Grønhøj
locality (26.8.1967). Asci sh ortly before dissolution 192 p long,
32 p wide, clavate, tapering, broadest at the middle, unitunicate,
with 8 spores. Early dissolution (Fig. 6). Ascospores one-celled, hyaline,
128-160 X 16-19 p , with curved terminal beaks bearing slime
droplet (Fig. 3k).
Fruit bodies are common in sand attached to wood at the base
of the dunes or in the gullies. Against the background of the white
sand the fruit bodies are clearly visible to the naked eye. The type
material was collected at the Grønhøj locality in October 1966 by
the present author and deseribed 1968 by. J. KOHLMEYER.
Substrate.
Picea, P i nus and other conifers.
Collections.
Jutland, Grønhøj 20.10.66 (2); 6.11 .66 (1); 20.-28 .8.67 (9); 19.10.67 (1) ;
7.12 .68 (4) ; 5.4 .69 (10) ; 26.8.69 (2) ; Husby Klitplantage 12.10.69 (1 ).