CONTENTS

Biographical papers

WIESŁAW PRUS-GŁOWACKI & ANNA RUSIŃSKA: Professor Jerzy Szweykowski: biographical sketch and list of publications. 9

MARTA MIZIANTY: Professor Jerzy Szweykowski – my mentor. 29

Taxonomy and floristics

Hepaticae

S. ROB GRADSTEIN & M. ELENA REINER-DREHWALD: Szweykowskia, a new genus of Plagiochilaceae (Hepaticae) from tropical America. 31. <abstract>

RUDOLF M. SCHUSTER: Notes on nearctic Hepaticae. XX. On Schofieldia and evolution in the Cephalozioideae. 39. <abstract>

M. ELENA REINER-DREHWALD & UWE DREHWALD: Zum Vorkommen von Neesioscyphus homophyllus (Hepaticae, Balantiopsaceae) in NO-Argentinien. 47. <abstract>

SARIE M. PEROLD: A survey of the Ricciaceae of tropical Africa. 53. <abstract>

EBERHARD FISCHER: The genera Ricciocarpos and Riccia (Hepaticae, Ricciaceae) in Rwanda. 93. <abstract>

JIRO HASEGAWA: Four tropical Asian species of Anthocerotae newly found in continental Africa. 113. <abstract>

KOHSAKU YAMADA: Radula carringtonii (Hepaticae, Radulaceae) new to the New World. 123. <abstract>

Musci

WILLIAM R. BUCK: The systematic position of the moss genus Rhacocarpus. 127. <abstract>

JOHANNES ENROTH: Taxonomy of Cyptodon, with notes on Dendrocryphaea and selected Australasian species of Cryphaea (Musci, Cryphaeaceae). 133. <abstract>

ZENNOSKE IWATSUKI & TADASHI SUZUKI: Fissidens (Musci, Fissidentaceae) in Vanuatu (New Hebrides) collected by Dr. M. Higuchi. 153. <abstract>

BRUCE ALLEN: Eight neglected species of Grimmiaceae (Musci) from North America. 159. <abstract>

HOWARD CRUM: Miscellaneous notes on the genus Sphagnum (Musci, Sphagnaceae). 7. 167. <abstract>

HALINA BEDNAREK-OCHYRA: A note on Racomitrium tortipilum (Musci, Grimmiaceae) from Brazil. 177. <abstract>

JOHANNES ENROTH: Notes on the Neckeraceae (Musci). 21–22. A taxonomic study on Porotrichopsis flacca and Neckeropsis inundata. 181. <abstract>

HISATSUGU ANDO: What is `Hypnum aduncoides' (Musci, Hypnaceae) from Africa?. 189. <abstract>

MICHAEL S. IGNATOV: On the identity of Rhynchostegium haussknechtii (Musci, Brachytheciaceae). 197. <abstract>

RYSZARD OCHYRA: The taxonomic status of Amblystegium burnatii (Amblystegiaceae), an endemic Egyptian moss. 201. <abstract>

CECILIA SÉRGIO, RYSZARD OCHYRA & ANA SÉNECA: Dicranum crassifolium (Musci, Dicranaceae), a new species from southern Europe. 203. <abstract>

RYSZARD OCHYRA & OLGA M. AFONINA: Schistidium cryptocarpum (Musci, Grimmiaceae) in the Russian Arctic. 215. <abstract>

Bryogeography and floristics

ROBERT E. MAGILL & VALENTINA YA. CHERDANTSEVA: Meteorium (Musci, Meteoriaceae) in the Russian Far East. 223. <abstract>

MARIAN KUC: Calliergon giganteum (Musci, Amblystegiaceae) in Tierra del Fuego – first record in the Southern Hemisphere. 229. <abstract>

JOHN HALL, STEVEN FUKUDA & WILLIAM J. HOE: Riccia fluitans (Hepaticae, Ricciaceae): first observation in Hawaii. 233. <abstract>

JAN-PETER FRAHM: Correlations between the European, tropical African and tropical American moss flora. 235. <abstract>

TAMÁS PÓCS: East African bryophytes, XIV. Hepaticae from the Indian Ocean islands. 251. <abstract>

SÁNDOR ORBÁN: East African bryophytes, XV. Species of Calymperaceae collected in the Seychelles in 1993. 279. <abstract>

JEAN-PIERRE HÉBRARD: Tortula handelii var. handelii (Musci, Pottiaceae) dans la haute vallée du Verdon et Fissidens kosaninii (Musci, Fissidentaceae) ŕ Méounes-les-Montrieux, respectivement nouveaux pour la bryoflore des Alpes-de-Haute-Provence et du sud de la France. 289. <abstract>

JOCHEN HEINRICHS: Hygrohypnum polare (Musci, Amblystegiaceae) new to Switzerland. 301. <abstract>

ANNA RUSIŃSKA: New locality of Campylopus flexuosus (Musci, Dicranaceae) in West Pomerania and a review of its distribution in Poland. 305. <abstract>

EWA FUDALI: Changes in the bryoflora of urban areas – a case study of Leśne Wzgórze in Szczecin (NE Poland). 311. <abstract>

ALEXEY D. POTEMKIN: Contribution to the knowledge of the liverworts of North America. 323. <abstract>

DALE H. VITT & RENÉ J. BELLAND: The bryophytes of peatlands in continental western Canada. 339. <abstract>

RENÉ J. BELLAND: The bryophytes of Prince Edward Island National Park, Canada: affinities, habitats, and diversity. 349. <abstract>

Anatomy, genetics and cytology

Hepaticae

JASON M. PASS & KAREN S. RENZAGLIA: Comparative microanatomy of the locomotory apparatus of Conocephalum conicum (Hepaticae, Conocephalaceae). 365. <abstract>

MARIE C. BOISSELIER-DUBAYLE, MICHEL DE CHALDEE, LAETITIA GUERIN JOSIE LAMBOURDIůRE & HÉLůNE BISCHLER: Genetic variability in western European Lunularia (Hepaticae, Lunulariaceae). 379. <abstract>

IRENEUSZ J. ODRZYKOSKI: Sibling species of the Conocephalum conicum complex (Hepaticae, Conocephalaceae) in Poland: distribution maps and description of an identification method based on isozyme markers. 393. <abstract>

Musci

BERNARD O. VAN ZANTEN & ANNELIES HOFMAN: On the origin and taxonomic status of Racopilum chilense (Musci, Racopilaceae) by using electrophoretic analysis. 405. <abstract>

MAŁGORZATA WACHOWIAK-ZIELIŃSKA & ROMAN ZIELIŃSKI: Genetic variation of the haplpoid moss Pleurozium schreberi (Musci, Hylocomiaceae) in Poland. 417. <abstract>

ROMAN ZIELIŃSKI & MAŁGORZATA WACHOWIAK-ZIELIŃSKA: Genetic structure of the population of Pleurozium schreberi (Musci, Hylocomiaceae) detected by isoenzyme electrophoresis. 425. <abstract>

MARIA KRZAKOWA, IWONA MELOSIK & HANSJÖRG RUDOLPH: The taxonomic status of Sphagnum centrale (Musci, Sphagnaceae) as revealed by peroxidase diversity in relation to S. magellanicum and S. palustre. 437. <abstract>

MARIA KRZAKOWA, JOSEPH N. OKONKWO & BRONISŁAW WOJTUŃ: Intraspecific diversity of Sphagnum russowii (Musci, Sphagnaceae) as revealed by peroxidase electrophoresis. 447. <abstract>

Hepaticae and Musci

ELŻBIETA KUTA, RYSZARD OCHYRA & LESŁAW PRZYWARA: Chromosome studies on Polish bryophytes: VII. 453

Ecology and physiology

JEFFREY W. BATES: Numerical analysis of bryophyte–environment relationships in a lowland English flora. 471. <abstract>

WOLFGANG FREY & HARALD KÜRSCHNER: Bryosoziologische Untersuchungen in Jordanien. 3. Lebensstrategienanalyse der terrestrischen und epilitischen Moosgesellschaften. 491. <abstract>

IRENE BISANG: On the phenology of Anthoceros agrestis (Anthocerotae, Anthocerotaceae), with special reference to Central Europe. 513. <abstract>

A. JONATHAN SHAW & HOLLY OWENS: Ecological and experimental studies on the "copper moses": Mielichhoferia elongata (Bryaceae) and Scopelophila cataractae (Pottiaceae). 519. <abstract>

ANJALI GUPTA & R. N. CHOPRA: Effect of some heavy metals on growth and archegonial formation in the female clones of Riccia discolor (Hepaticae, Ricciaceae) grown in vitro. 533. <abstract>

ABSTRACTS - XL (1)

---