Friesia X, 4-5

- 319 -
Fig . 4. Sistotrema pistilliterum. a. Hyphae; b. Cystidia; e. Basidia;
d . Spores. - x 1000. Coll. 2918.
maturity urniform, 17-25 X 5-8 Il with (2)-(4)-6- (7) curved sterigmata
4,5-7 Il long. Spores hyaline, subglobose to subangulate or
rhombic, smooth, 4-5 Il diam., apiculate, contents often guttulate,
non-amyloid.
On bark of Pinus.
Collections: On Pinus, Asserbo Plantage, Nov. 18, 1967 (t ype ) ; KH 2918.
On Picea) Velling Plantage, Oet. 11, 1969; KR 3488, 3507.
On braneh af Fagus siioatica, V ås tgotland, Od parish,
St. Mollungen, Sweden, Sept. 9, 1969; K . HJORTSTAM 2334.
Sistotrema pyrosporum n. sp.
Fructificatio resupinata, adnata, tenuiter ceraceo-membranacea vel
poruloso-reticulata, grisea ; hyphae basales tenuiter tunicatae, cylindraceae,
laeves, septatae, 2-6,5 Il latae; hyphae subhymeniales ampullaceae,
plerumque indistinctae ; basidia cylindracea ad basim inflata,
20-38 X 4-7,5 Il, 6 sterigmata 4-7 Il longa gerentia ; sporae