L. Hably szerk.: Studia Botanica Hungarica 18. 1985 (Budapest, 1985)

Révay, Ágnes: Dematiaceous Hyphomycetes inhabiting forest debris in Hungary I

remaining in moist heads. Conidia hyaline, 3-septate, ellipsoidal, 16-20 x 4-6 jum. This is an uncommon species in Hungary, - Found on dead wood, Morgó-hegy, Börzsöny Mts, 15.6.1984. Pseudospiropes simplex (Kunze ex Pers.) M.B.Ellis (Pl.IV. Fig.

3.). Conidiophores dark brown, 180-250 x 7-8 jum. Conidia pale yellowish-green, 5-7 pseudoseptate, 38-45 x 11-13 jum, 2-3 Aim wide at the scar. Only a few data are known from Hungary. - Found on dead branch of Carpinus betulus, Odor-hegy, Bükk Mts. 25.4.1984. Pseudospiropes subuliferus (Corda) M.B.Ellis. Conidiophores 200-500 x 6-10 jum, dark brown, paler towards the apex, with small dark scars. Conidia cylindrical or clavate, 1-4, mostly 3septate, subhyaline, 15-24 x 3-5jum. Only some sporadic data are known from Hungary.- Found on dead branches of Salix sp

., Kóspallag, Börzsöny Mts, 7.9.1981.; on dead wood, near the stream Old álvölgyi-patak, Bükk Mts, 19.4.1984. SeptotruUula bacilligera Höhnel. Sporodochia pulvinate, olivaceous brown, 800-1500 jum diam. Conidiophores 10-28 x 2-3 Aim, crowded, unbranched, subhyaline or olivaceous. Conidia catenate, cylindrical with truncated ends, pale yellowish-green, 15-25 x 2-2.5 jum, 1-3-septate. Common on dead branches of various deciduous trees. - Found on dead branches of Quercus sp. and Alnus glutinosa

, Morgó-hegy, Börzsöny Mts, 9.2.1984.; on dead wood, near the stream Oldal völgyi-patak. Bükk Mts, 19.4.1984.; on dead branches of Fagus silvatica, Odor-hegy, Bükk Mts, 11.10.1984. Spadicoides grovei M.B.Ellis. Conidiophores dark brown, unbranched, 300-400 x 2.5-4Aim. Conidia solitary, obovoid, dark brown with thick, black bands at the septa, 2-3 septate, 22-25 x 10-12 Aim. Not uncommon in Hungary. - Found on dead branches of Fagus silvatica, near Bánkút, Bükk Mts, 12.6.1982. Sporidesmium altum (Preuss) M.B.Ellis. Conidiophores dark brown, 120-200 x 4-5 jum.Conidia straight or curved, obpyriform, conico-truncated, mid-brown, apical 1 or 2 cells subhyaline, 5-6septate, 40-53 x 12-14 jum. It is not a common species in Hungary. - Found on dead wood, Odorhegy, Bükk Mts, 12.10.1984. Sporidesmium cookei (Hughes) M.B.Ellis (Pl.IV. Fig.

5.). Conidiophores dark brown, paler towards the apex, 80-200 x 3-4 jum. Conidia obturbinate, conico-truncate, 3-septate, two basal cells dark brown and two apical ones much more paler, 18-25 x 8-10 jum, l-1.5jum near the apex. The conidia in our material are more pointed than those illustrated by ELLIS (1971). It is not a common species, had not been reported previously from Hungary. - Found on very small twigs of Alnus glu tinosa

, Morgó-hegy, Börzsöny Mts, 5.4.1984. Sporidesmium folliculatum (Corda) Mason et Hughes (Pl.IV. Fig. 4.). Conidiophores dark brown, sometimes conico-truncated at the apex, 32-80 x 5-6 jum. Conidia cylindrical, rounded at the apex, conico-truncated at the base, dark-brown, 6-11-pseudoseptate, 44-75 x 8-10 jum.Common on dead wood. - Found on dead branches of Carpinus betulus

, Morgó-hegy, Börzsöny Mts, 25.11. 1983.; on dead wood, Odor-hegy, Bükk Mts, 29.5.1984. Sporidesmium leptosporum (Sacc. et Roum.) Hughes. Conidiophores mid-or dark brown, solitary, sometimes in small groups, 40-100 x 3-4 jum. Conidia obclavate, pale yellowish-brown, 5070 x 6-7 jum, 3-3.5Aim wide at the truncate end, 10-15-pseudoseptate. Not a common species in Hungary. - Found on dead wood, near Verőcemaros, Börzsöny Mts, 15.6.1984. Stachybotrys atra Corda. Conidiophores olivaceous or dark brown, sometimes covered with granules, branched, 80-100 x 3-5jum. Conidia ellipsoidal or subglobose, verrucose, dark brown, 8-11.5 x 5-10 Aim. Very common on various decaying forest debris. - Found on dead wood, near Verőcemaros, Börzsöny Mts, 8.4.1981. Taeniolella alta (Ehrenh. ex Pers.) Hughes (Pl.IV. Fig.l.). Conidiophores solitary or in small groups, usually unbranched, dark brown, 30-150 x 9-11 jum. Conidia catenate, mostly 1-5septate, cylindrical, straight or curved, olivaceous brown, 22-45 x 8-10 jum. It is an uncommon species, had not been previously reported from Hungary. - Found on dead twigs of Alnus glutinosa, Morgó-hegy, Börzsöny Mts, 15.6.1984., 14.9.1984, Torula herbarum (Pers.) Link ex S.F.Gray. Colonies variable in size, black,velvety.Conidiophores brown, 2-5jum thick. Conidia straight or curved, mostly 4-5-septate, pale brown, 20-30 x 5-6 Jim. Very common on dead herbaceous stems, leaves and on dead wood. - Found on dead stems of Melampyrum sp

., Morgó-hegy, Börzsöny Mts, 8.4.1981.; on dead wood and dead leaves, Gálhegy, Börzsöny Mts, 7.9.1981. Trimmatostroma Salicis Corda. Sporodochia pulvinate, blackish brown. Conidia curved often branched, up to 10-13 transverse and 1-2 longitudinal or oblique septa, mid-brown, 14-30 x 6-7 jum. - Found on dead branches of Salix sp.

, Kelemen-hegy near Kóspallag, Börzsöny Mts, 8.5. 1981.; Fekete-hegy, Börzsöny Mts, 12.8.1981. Vargamyces aquaticus (Dudka) Tóth (Pl.IV. Fig.

2.). Conidia large, fusiform, dark brown,