Three new species of Otidea (Pers.) Bonord. (Pyronemataceae, Pezizales) are described on the basis of Finnish material: Otidea angusta Harmaja, Otidea caeruleopruinosa Harmaja, and Otidea À avidobrunneola Harmaja. They were found in rich woods with more or less calcareous soils in SW Finland. A synopsis with an annotated list of the twenty species of Otidea in Finland is presented, four of the latter as nomina provisoria. The habitat of each species is described more accurately than previously. Two keys are presented, one based on macroscopic and habitat characters, the other on microscopic characters. The characters of the North American O. unicisa (Peck) Harmaja are discussed, the species is retained in the genus in spite of its ornamented spores, and it is reported as new to North Carolina. Two previously unreported responses of the pigment in the outer part of the apothecial excipulum to Melzer's reagent are reported. The original material of C. H. Persoon's species referable to Otidea has been revised: no changes in current nomenclature are needed. O. cantharella (Fr.) Quél. is considered to be an older name for O. caligata (Nyl.) Sacc.

. 19 73: Amendments of the limits of the genera Gywmitra and Pseudorhizina, with the descr~ption of a new species, Gyromi tra montana. -Karstenia 13 : 48--58.-Some new observations, relevant for specific, subgeneric and generic taxonomy, are presented on the characters of the species of Gyromitra Fr. and Pseu dorhizina J ac. (Discomycetes, Pezizales), and the taxonomic significance of earlier known diagnostic features is dealt with and partly re-evaluated . On the basis of this information, it is considered that Pseu dorhizina is a valid, independent genus, and that besides the type species, P. sphaerospora ( Peck ) Pouz., -it should also contain Gyromitra californica ( Phil! .) Rait . A tabu lation comparing Gyromitra and Pseudorhizina. is presented . It is a lso emphasized that, as pre iously suggested by the author, the genera Discina (Fr.) Fr. and Neogyromitra Imai should be included in Gyromitra, together forming a subgenus of their own, Gyromitra subg. Discina. Gyromitra gigas sensu McKnight is considered different from the true G. gigas, and is described as a new species, Gyromitra montana Harmaja. Seven new combinations, necessary due to the amendments of the two genera, are made : Gyromitra subgenus Discina (Fr. ) Hai'IIlaja, Gyromitra apiculatula. (McKn. ) Harmaja, Gyromitra korfii (Raitv.) Harmaja, Gyromitra macrospora (Bub.) Harmaja, Gyromitra olympiana (Kan .) Harmaja, Gyromitra warnei (Pecl: ) Harmaja and Pseudorhizina ca.lifornica ( Phil!. ) Harmaja.

No abstract

The paper treats the taxonomy and distribution of two very closely related species in sect. Acetabulum Diss., He/vella costifera Nannf. s. str. and H. hyperborea Harmaja (Pezizales). H. hyperborea has generally darker pigmentation and less prominent ribs on the cup exterior and it occurs in late summer and autumn, usually in completely natural habitats, in boreal and alpine areas of Finland, Sweden, Norway and Iceland. H. costifera mainly fruits in summer, and occurs in man-influenced sites, preferring lower latitudes and altitudes. Descriptions are given of the most important characters distinguishing four species in sect. Leucomelaenae Diss ., H. leucomelaena (Pers.) Nannf., H. conjusa Harmaja, H. pedunculata Harmaja and H. oblongispora Harmaja. H. pedunculata is reported from Finland and Norway, and H. oblongispora from Sweden, Norway, the Federal Republic of Germany, and Austria. The new species He/vella ulvinenii Harmaja (sect. Acetabulum) is described from Finnish Lapland. The first record of H. dryadophila Harmaja from Finland and two new localities for Norway are reported. Acetabula murina Zeller, described from Oregon, is found to be a younger synonym of H. solitario Karst. (H. queletii Bres.). The specific status of H. verruculosa (Sacc .) Harmaja (Peziza verruculosa Berk. & Curt.

The following six new species of the Pezizales are described: He/vella pocillum Harmaja, Otidea tuomikoskii Harmaja, 0. nannfeldtii Harmaja, 0. papillata Harmaja, 0. formicarum Harmaja and 0. myosotis Harmaja. The following six new combinations are made: Gyromitra accumbens (Rahm) Harmaja, G. geogenia (Rahm) Harmaja, G. intermedia (Benedix) Harmaja, G. larryi (McKnight) Harmaja, Otidea microspora (Kanouse) Harmaja and 0. propinquata (Karst.) Harmaja. The generic concept of Gyromitra Fr. is also discussed in brief, and a few new observations on characters of species of this genus are presented. Gyromitra Fr.