Friesia X, 4-5

- 227-
17. Halosphaeria tubulifera KOHLM.
Halosp haeriae eae
Lit.: Nova Hedwigia 2: 312, 1960.
Perithecia up to 0.5 mm in diameter, compressed ellipsoidal with
beak, dark, immersed to partly free. Asci 8-spored (KOHLM. & KOHLM.
1964-69), clavate with nose, unitunicate. Ascospores 2-celled, hyaline,
16-20 X 7-10 p, with stiff terminal appendages bearing slime droplet
which in certain specimens forms a long, thin slime thread (up to
60 X lp as also observed by J. KOHLMEYER (1971). In preparations
the slime thread is often stretched between two spores. The spores
also show a lateral slime band (Fig. ge).
Dften found at the base of the dune and in the gullies. Occasionally
on driftwood of recent erigin.
Substrate.
Quercus and Salix .
Collections.
Jutland, Grønhøj 7.12.68 (1) ; Sealand, Hornbæk 11.2.69 (1); Jutland,
Grønhøj 5.4.69 (1); 26 .8.69 (3); 25.8.71 (3) ; 21.3 .72 (1).
18. Lentescospora submarina LINDER
Lit.: Farlowia 1 : 411-412, 1944.
Halosphaeriaceae
Syn.: Ceriosporopsis submarina (LINDER) E . MtJLLER. Beitr. Krypto­
gamenfl. Schweiz 11 (2) : 793, 1962.
Perithecia up to 0.2 mm in diameter, globose with warty beak,
hyaline, leathery yellow in colour, darkening, immersed. Asci 8-spored,
clavate, unitunicate, 56-96 X 24-30 p. Ascospores 2-celled, hyaline,
24-28 X 9-11 p , with terminal slime caps (Fig. 9f).
Rare, only one collection found on recently deposited hardwood.
Collection.
Jutland, Grønhøj 5.4.69 (1).
19. Leptosphaeria orae-maris LINDER
Lit.: Farlowia 1 : 413 , 1944.
Pleospo raceae
Perithecia about 0.2 mm in diameter, subglobose, darkening from
orifice, immersed. Asci 8.,spored, clavate, bitunicate, 80-92 X 11-12 p.
15*