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ARTHUR M. SCOTT, ARTHUR M.
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NOTES ON INDONESIAN FRESHWATER ALGAE III*NEW VARIETIES OF SOME LITTLE-KNOWN STAURASTRA (DESMIDIACEAE) SCOTT, ARTHUR M.; PRESCOTT, G. W.
REINWARDTIA Vol 4, No 3 (1958): vol.4 no.3
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v4i3.1006

Abstract

Described and figured are Staurastrum freemanii West & West and var. triquetrum West & West, with two new varieties, var. nudiceps and var. evolutum; also three new iormae, var. nudiceps fa. biradiatum, var. triquetrum fa. trispinatum, and var. evolutum fa. trispinatuin. In St. salterns Josh, the specific form was not found, but two new varieties are named, var. polycharax and var. sumatranum, with a fa. divergens of the latter; also two new formae of the species, St. saltans fa. kalimantanum and fa. javanicum. In St. subsaltans West & West, var. indonesianum and fa. diver gens are named as new. Correction. Because of pre-emption the name Euastrum latwm sp. nov. Krieg. & Scott (1957) is changed to E. neolatum Krieg. & Scott.
NOTES ON INDONESIAN FRESHWATER ALGAE II*Ichthyodontum, a new desmid genus from Sumatra. SCOTT, ARTHUR M.; Prescott, Gerald W.
REINWARDTIA Vol 4, No 1 (1956): vol.4 no.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (690.199 KB) | DOI: 10.14203/reinwardtia.v4i1.998

Abstract

Described and figured are Ichthyodontum, a new genus belonging to the desmidiaceous algae, with I.sachlanii, a new species with its new variety parorthium, showing a peculiar bipolarity. From souther Sumatra.
NOTES ON INDONESIAN FRESHWATER ALGAE - IV. Concerning Euastrum moebii (Borge) Scott & Prescott comb. nov. and Euastrum turgidum Wallich. SCOTT, ARTHUR M.; PRESCOTT, GERALD W.
REINWARDTIA Vol 5, No 3 (1960): vol.5 no.3
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v5i3.1258

Abstract

The desmid presently known as Mierasterias moebii (Borge) West & West is transferred back to the genus Euastrum where it was originally placed by its discoverer, together with its several varieties, for reasons that are discussed in detail. There are described one new variety, var. diplocanthylum from Australia, and one new forma, var. tetrachastriforme fa. latum from Borneo. New illustrations are given for Euastrum, turgidum Wall., and criteria are suggested for differentiating this plant from the closely similar E. moebii.
NOTES ON INDONESIAN FRESHWATER ALGAE-I Scott, Arthur M.; Prescott, Gerald W.
REINWARDTIA Vol 3, No 3 (1956): vol.3 no.3
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4238.831 KB) | DOI: 10.14203/reinwardtia.v3i3.987

Abstract

At various times during the last four years Mr.M.Sachlan,of the Laboratory for Inland Fisheries at Bogor, Java, has sent us collections of freshwater algae from the larger islands of the Indonesian Archipelago,-Borneo, Java and Sumatra.To him we express our sincere thanks for his care and effort in obtaining this material,and for affording us the opportunity of studying it.A report on the algae is in course of preparation, and will be published on completion.During our examination we have encountered some curious cases of dichotypy in a species of Staurastrum, involving four different forms, which, if considered separately, might be thought to belong to four different species. They throw a new light upon the relationship between St. wildemani Gutw.and St. subtrifurcatum var. majus West & West, whose similarity has been noted and commented upon by other authors.(Schmidle, 1902, p. 73; Gutwinski, 1902, p. 605; West & West, 1907, p. 215; Krieger, 1933, p. 209; Rich, 1935, p. 151; Fritsch & Rich, 1937, p. 213).
Co-Authors G. W. PRESCOTT, G. W. Gerald W. Prescott, Gerald W.