Acta Botanica 29. (1983)

1983 / 1-4. szám

CONTENTS Sándor Jávorka born 100 years ago (В. Zólyomi) ................................. ........................................ 5 Studies in Rondeletieae (Rubiaceae), IV. A new genus: Javorkaea (A. Borhidi, Magda Jár ai-Kom ló di)........................................................................................................................................ 13 Studies in Rondeletieae (Rubiaceae), V. Los limites del género Suberanthus (A. Borhidi, Mayra Fernandez Zequeira) .............................................................................................................. 29 Studies in Rondeletieae (Rubiaceae), VI. Estudio taxonómico de la Rondeletia odorata Jacq. (Mayra Fernandez Zequeira, P. Herrera Oliver) ......................................................... 35 Studies in Rondeletieae (Rubiaceae), VII. The significance of leaf epidermis for taxonomy in Neomazaea sensu lato (M. A. Vales) ..................................................................................... 43 Chromosomal aberrations and chlorophyll mutations induced by some pesticides in barley (T. Pusztai) ............................................................................................................................................ 55 Chromosomal and isoenzyme variability in callus tissue cultures of albino mutant of Nicotiana sylvestris (L. Szilágyi, A. H. Nagy) ........................................................................ 67 Morfológia del polen de las especies cubanas de Gymnospermas (L. Stuchlick, Milagros Moncada)................................................................................................................................................... 75 A compendium of the morphology of Phytophthora cinnamomi Rands from Australia (L. Gerretson-Cornell) ............................................................................................................................ 91 Observations on the Hyphomycetes inhabiting forest litter of Hungary (J. Gönczöl, A. Revay) ........................................................................................................................................................ 107 Disjunct Ilepaticae in tropical America and Africa (S. R. Gradstein, T. Poes, J. Vána) ................................................................................................................................................... 127 The rediscovery of Loiseaubryum epherneroides Rizot (Musci: Funariaceae) in Nigeria (R. Ochyra) ............................................................................................................................................... 173 New names and new species in the flora of Cuba and Antilles, III (A. Borhidi) ................. 181 Xylotomic examination of some Venezuelan Capparis species, III (К. Babos, I. R. Bermudez, L. J. C. Cumana)............................................................................................................... 217 Contribución al estudio anatómico del xilema de la família Simarubaceae en Cuba, I. Alvaradoa Liebm. y Simaruba Aubl. (M. A. Vales, Cándida Martinez) ..................... 231 Developmental anatomy of the Armeniaea vulgaris Lam. (Rosaceae) (J. Szujkó-Lacza) 241 Screening of some common Indian trees for leaf protein (A. K. Singh) ................................. 281 The effect of increasing nitrogen doses upon dry matter production, transpiration and water utilization of maize plants (S. Szlovák) ......................................................................... 293 Study of the phytoproduction of Reed Canary-grass sown on solonetz meadow-soil type (A. Kovács)............................................................................................................................................... 307

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