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114
ZYGNEMATACEAE
98. MouGEOTiA coTOPAxiENSis Prcscott 1947. Ohio Jour. Set. 47,
p. 132.
Vegetative cells 10-16 /li- x 80-250 /a; chromatophores with 2-4 pyrc-
noids in a row; conjugation scalariform; zygospores globose or com-
pressed at right angles to the short conjugating tubes, 30-32 /^ in diam-
eter; spore wall steel-blue, scrobiculate with pits about i /x in diameter,
4-5 jn apart; sporangium wall thin, smooth. (PI. XIII, Fig. 20.)
Ecuador, volcano Cotopaxi, hanging bog at 14,000 feet.
Should be near M. cyanca, Number 55.
99. MouGEOTiA KWANGSiENSis Jao 1947. Bot. Btill. Acad. Sinica.
1, p. 100.
Vegetative cells 12-13^ x 115-313/x; chromatophores with 4 to 6
pyrenoids in a single row; gametangia geniculate; zygosporangia divid-
ing both gametangia, compressed-globose; zygospores, 35-42 ju, x 33-35^;
outer spore wall thick, lamellose, and hyaline; spore wall yellow, either
smooth, or with thin reticulate wrinkles. It is possible that the wrinkles
are due to contraction and are not morphological structures.
smaller.
China, Suijen, common in rice fields.
Should be placed near M. cherol^eana (No. 64), which is similar but
List of the Species of MOUGEOTIA with Number
acadiana Transeau 1934 47
adnata Iyengar 1932
9
africana (G. S. West) Transeau 1944
17
americana Transeau 1918 65
angolensis W. & G. S. West 1897 45
angusta (Hassall) Kirchner 1878 i
areolata Transeau 1934
aspera Woronichin 1923
atubulosa Krieger 1941
austriaca Czurda 1932
boodlei (W. & G. S. West) Collins 1912 75
caelestis Transeau 1934
caimani Transeau 1938
calcarca (Cleve) Wittrock 1872 5
capucina (Bory) Agardh 1824 72
cherokeana Taft 1934 64
chlamydata Prescott 1947 97
corniculata Hansgirg 1886
cotopaxiensis Prescott 1947
crassa (Wolle) de Toni 1889 23
3°
87
5^
81
24
63
^
9^