𝔖 Bobbio Scriptorium
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Studies on Chrysophyceae from some ponds and lakes in Alaska

✍ Scribed by Berit Asmund; Douglas K. Hilliard


Book ID
104621634
Publisher
Springer
Year
1965
Tongue
English
Weight
258 KB
Volume
26
Category
Article
ISSN
1573-5141

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✦ Synopsis


Mallomonopsis elliptica MATW . var . salina nov. var .

Diagnosis : Cellula ovoides vel obovoides vel caudate ovoides, moribunda ut mortua sphaerica, setis subtilibus vestita . Squamae imbricatae, planae, late ovales vel asymmetrice ovatae, arcu ut crista V-formi carentes, maculam obscuram centralem ostendentes, margine in parte cellulae propiore elevato . Setae tenues, paulum curvae, basi attenuatae, apice subincrassatae .

Chromatophora bina (vel unicum profunde incisum) fulva . Flagella bina inaequalia, alterum cellula sesqui longius, alterum dimidiae illius longitudinis . Nucleus, stigma, vacuola non visa .

Mensura : Cellula 24-41 .5y x 18-22 .5 , t, setae 6 .5-15 j , squamae 2 .2-4 x 4 .5-6 ,u, flagellum longius 44-51 a . A var . elliptica squamis maculam obscuriorem centralem ostendentibus, setis paulum curvis apice subincrassatis diversa .

Typus die 25 . Junii anni 1963 in stagnis subsalsis paludis Potter Marsh prope urbem alascanum Anchorage sitae lectus, in Museo Botanico Hauniensi depositus .

Description o f locality . Potter Marsh is located 13 km south of Anchorage where it extends along the northwestern shore of Turnagain Arm, the eastern terminus of Cook Inlet . The


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Studies on chrysophyceae from some ponds
✍ Douglas K. Hilliard πŸ“‚ Article πŸ“… 1966 πŸ› Springer 🌐 English βš– 1011 KB

During the period May 1957 to May 1958, samples were taken from a pond near Anchorage, Alaska, for the purpose of learning something of the periodicity and species composition of the phytoplankton during a one-year cycle . Special emphasis was given the Chrysophyceae, as these represented the domina