Pichia faecalis nov. comb.

In this paper, the auther re-examinesKloeckera faecalis Batista &Silveria 1959 and transfers to genusPichia.

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Resumen El autor hace una revisión de la levaduraKloeckera faecalis llevandola al géneroPichia.

     

Über Zwei Formen von Trehalase in S. Carlsbergensis

Zusammenfassung Es wird über das Vorkommen zweier Formen von Trehalase in S. Carlsbergensis berichtet.

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Two forms of trehalase in S. Carlsbergensis

Summary Two forms of Trehalase have been found in S. Carlsbergensis

     

Gregory, R .P . Experiments withPrimula sinensis

Ohne Zusammenfassung

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Gregory, R .P . Experiments withPrimula sinensis

     

Caloplaca sect.Xanthoriella,sect. nov.: Untersuchungen über die „Xanthoria lobulata-Gruppe“ (Lichenes,Teloschistaceae)

Reexamination ofXanthoria persica, X. polycarpoides, X. lobulata gave evidence, that the thalli of these species are devoid of a lower cortex and rhizinae. Therefore, they do not fit the definition of the genusXanthoria and are transferred toCaloplaca (under the new sectionXanthoriella) asCaloplaca persica, C. polycarpoides, andC. boulyi, respectively. — Details on development, anatomical structure, ecology and distribution are presented.

     

Gates, R.R. Early historico-botanical records of theOenotheras

Ohne Zusammenfassung

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Gates, R.R. Mutation inOenothera

     

A Monograph of the Jacamars and Puffbirds or familiesGalbulidae andBucconidae by P. L. Sclater. Gr. 4 to. London. Published for the author by R. H. Porter 6 Tenterden Street and Dulau & Co. Soho Square. 171 Seiten und 55 Kupfertafeln

Ohne Zusammenfassung

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A Monograph of the Jacamars and Puffbirds or familiesGalbulidae andBucconidae by P. L. Sclater. Gr. 4 to. London. Published for the author by R. H. Porter 6 Tenterden Street and Dulau & Co. Soho Square. 171 Seiten und 55 Kupfertafeln

     

Nucleotide sequences of 5S rRNA from twoVibrio spp., V.fluvialis andV. parahaemolyticus

Summary We have determined the nucleotide sequences of 5 S ribosomal RNAs from two marineVibrio species,V. fluvialis andV. parahaemolyticus. Comparisons among these and the 5S rRNA sequence fromV. cholerae indicate homologies in excess of 92%. Comparisons are also made with the 5S rRNA sequences from two other members of the family Vibrionaceae.

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Secuencias de nucleótidos de la 5S-rRNA de dos especies de Vibrio, V. fluvialisy V. parahaemolyticus

Resumen Se han determinado las secuencias de nucleótidos correspondientes a 5S-rRNA ribosómico de dos especies deVibrio marinas:V. fluvialis yV. parahaemolyticus. Comparaciones entre estas y la correspondiente secuencia 5S-rRNA deV. cholerae indican una homología superior al 92%. También se han comparado las secuencias 5S-rRNA de dos otros miembros de la familia Vibrionáceas.

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Séquences nucléotidiques du r-ARN 5S de deux espèces de Vibrio, V. fluvaliset V. parahaemolyticus

Résumé Nous avons déterminé les séquences nucléotidiques de l'ARN ribosomique 5S chez deux espèces deVibrio, V. fluvialis etV. parahaemolyticus. La comparaison de ces deux séquences entre elles et avec celle deV. cholerae montre une homologie supérieure à 92%. Il a également été procédé à une comparaison avec les séquences du r-ARN de deux autres membres de la famille de Vibrionaceae.

     

Cynoglossopsis somaliensis,sp. nov., und die GattungCynoglossopsis (Boraginaceae)

Cynoglossopsis somaliensis H. Riedl, sp. nov., is described as a new species of the hitherto monotypic genusCynoglossopsis Brand which is closest related toCynoglossum L. but has to be included inBoraginoideae-Eritrichieae from the way the nutlets are attached to the gynobasis.

     

Shull, G.H. Reversible sex-mutants inLychnis dioica

Ohne Zusammenfassung

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Shull, G.H. Reversible sex-mutants inLychnis dioica

     

Die Struktur des Nervengewebes von Macrobiotus hufelandi C.A.S. Schultze (Tardigrada)

Zusammenfassung Das Nervengewebe von Macrobiotus hufelandi zeichnet sich durch stark verzweigte pseudunipolare Nervenzellen und relativ wenige Gliazellen aus. Die Neurone besitzen rauhes ER, freie Ribosomen, zahlreiche Mitochondrien, einen wenig ausgeprägten Golgi-Apparat und einen elektronenlichten Kern. In ihren Axonen finden sich Vesikel und Einschlüsse unterschiedlicher Größe und Zusammensetzung. Die Gliazellen verzweigen sich stark und besitzen glattes ER, viele freie Ribosomen und einen elektronendichten Kern. Ganglien und Nerven werden nur durch eine dünne Neurallamelle vom extraganglionären Raum getrennt. Die morphologische Ausbildung des Nervengewebes wird im Hinblick auf die extreme Lebensweise der Tardigraden diskutiert.

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The structure of the nervous tissue in Macrobiotus hufelandi C. A. S. schultze (tardigrada)

Summary The typical elements of the nervous tissue of Macrobiotus hufelandi are strongly ramified pseudunipolar neurons and a small amount of glial cells. In the perikarya of neurons there are rough ER, free ribosomes, many mitochondria, a poor Golgi-apparatus, and an electron-light nucleus. Nerve fibers contain masses of vesicles and inclusions of different size and composition. The ramifying glial cells have smooth ER, many free ribosomes, and an electron-dense nucleus. Ganglia and nerves are separated from the extraganglionic cavity by a thin acellular sheath (neural lamella). The organization of the nervous tissue is discussed with regard to the extreme conditions of environment of the tardigrades.

     

Peroxidasemuster und Systematik vonArgyranthemum undChrysanthemum s. str. (Asteraceae-Anthemideae)

Leaf extracts of several taxa ofArgyranthemum (nanophaneroand chamaephytes endemic to the Macaronesian Islands) andChrysanthemum s. str. (therophytes of the West Mediterranean region) were subjected to polyacrylamide disc gel electrophoresis and analysis of peroxidase isoenzymes. The differences between the two genera are small; this points to their close affinity. The taxonomic subdivision ofChrysanthemum s. str. is confirmed. ForArgyranthemum the inclusion ofA. callichrysum andA. ochroleucum into sect.Ismelia is suggested.A. foeniculaceum may fit better into the otherwise isolated sect.Monoptera but somewhat approaches sect.Ismelia. Isoenzyme patterns inA. frutescens s. l. seem to reflect a geographical differentiation of the group on 5 Canary Islands.

     

Bateson, W., and Punnet, R.C. On the iinter-relations of genetic factors

Ohne Zusammenfassung

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Gregory, R. P. On gametic coupling and repulsion inPrimula sinensis

     

Flora Palinologica Italiana. Schede diCorylus avellana L. cv. Tonda Gentile delle Langhe (TGL) eCorylus maxima Miller e valutazioni statistiche

Riassunto Si sono allestite le schede morfopalinologiche compilate secondo le norme della ?Flora Palinologica Italiana?, perCorylus avellana L. cv. TGL eCorylus maxima Miller per polline acetolizzato e fresco. Le due specie rivestono interesse agronomico anche per l'ottenimento di ibridi interspecifici. La differenza del rapporto P/E fra le due entità risulta altamente significativa Tuttavia non è possibile un riconoscimento dei due tipi pollinici direttamente in analisi aerosporologiche.

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Summary Palynological cards ofCorylus avellana cv. TGL andCorylus maxima Miller are presented for fresh and acetolyzed pollens, according to the project ?Flora Palinologica Italiana?. Both species are interesting from the agricultural point of view, also for the possibility to obtain interspecific hybrids. The difference of the P/E ratio between the two entities is highly significant. In sprite of this fact, is not possible to discriminate the two pollen types in aerosporological analysis for their extreme similarity.

     

Elliptochloris bilobata,gen. et spec. nov., der Phycobiont vonCatolechia wahlenbergii

The phycobiont ofCatolechia wahlenbergii belongs to a new genus of theChlorococcales. It has mostly ellipsoidal, more rarely spherical cells with one bilobate through-shaped chloroplast and in general alveolar cytoplasm. Reproduction occurs by 2 or 4 autospores as well as by 16 or 32 motionless, small rodlike spores, which are formed and released in the same way as zoospores. They are aplanospores, and their formation apparently is fixed genetically, and not modificatorily, as in other species.

     

A new fungus,Aureomyces mirabilis gen. et sp. nov., from pine-timber

Aureomyces gen. nov. with the type speciesAureomyces mirabilis sp. nov. isolated from a pine-timber,Pinus silvestris, in Finland is described and illustrated.

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Zusammenfassung Aureomyces gen. nov. wurde mit dem ArttypeAureomyces mirabilis sp. nov. vom Kiefernholz,Pinus sylvestris, in Finnland isoliert. Der Pilz ist beschrieben und illustriert.

     

Blütenbiologische Beobachtungen an brasilianischen Malvaceen. II

Ohne Zusammenfassung

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Flower biological observations on brazilianMalvaceae II

     

Zur Kenntnis einer neuen Hefeart: Candida tepae sp. nov.

Zusammenfassung Es wird eine neue Hefeart beschrieben, welche aus einer mit Weiß-fäule befallenen Laurelia philippiana isoliert wurde und für welche der Namen Candida tepae vorgeschlagen wird.

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Summary A new yeast species was isolated from Laurelia philippina in Southern Chile (Valdivia). The name Candida tepae is proposed for it.

     

Weitere Untersuchungen zur Resistenz vonMedicago-arten gegenPseudopeziza medicaginis (Lib.) Sacc.

Zusammenfassung Durch Infektionsversuche an 44Medicago-Arten und-Varietäten mit den f. sp.medicaginis sativae undmedicaginis lupulinae vonPseudopeziza medicaginis sowie mitP. meliloti wurden die Kenntnisse über das Resistanzverhalten der GattungMedicago erweitert und frühere Ergebnisse bestätigt.

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Further investigations on the resistance ofMedicago species toPseudopeziza medicaginis (Lib.) Sacc.

Summary Experimental infections of 44 species and varieties ofMedicago with the f. sp.medicaginis sativae andmedicaginis lupulinae fromPseudopeziza medicaginis and withP. meliloti have broadened the knowledge on resistance behavior of the genusMedicago and confirmed earlier results.

     

Fragmenta mycologica VI. Has keratinomyces ajelloi vanbreuseghem, 1952 microconidiums?

Summary It is demonstrated and the primary observation ofVanbreuseghem is again confirmed thatKeratinomyces ajelloi does not produce microconidiums.

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Zusammenfassung Es wird gezeigt und die Beobachtung vonVanbreuseghem wird wiederum bestätigt, dassKeratinomyces ajelloi keine Mikrokonidien entwickelt.

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Résumé On a démontré et confirmé de nouveau l'observation primaire deVanbreuseghem queKeratinomyces ajelloi ne produit pas de microconidies.

     

Ozeanische florenelemente in aquatischen pflanzengesellschaften der D.D.R.

Aquatic macrophytes with oceanic and suboceanic distribution occur in the G.D.R. mainly in Littorelletea, Isoeto-Nanojuncetea and Montio-Cardaminetea communities. Within the Potametea they are almost entirely confined to the Ranunculetum fluitantis and to the group of Batrachium communities within the Nymphaeion. Within the territory of the G.D.R. several of these species are reaching the eastern border of their distribution areas. Nearly all of them are more or less endangered or even threatened by extinction.

Die Sippennomenklatur richtet sich nach Casper & Krausch (1981, 1982).