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MOUGEOTIA 97
pyrenoids; gametangia somewhat shorter and thicker walled than the
vegetative cells; conjugation scalariform; zygospores formed in the
enlarged conjugating tube and extending into the gametangia, ovoid,
about 42;u. X iU.; 52 spore wall brown, "granulate." (PL XV, Fig. 12.)
Sumatra.
32. MouGEOTiA TALYscHENsis (Woronichin) Czurda 1932. Siiss-
wasserflora Mitteleuropa. 9, p. 73.
Vegetative cells 19-21 /a x 80-100 /x; conjugation scalariform; zygospores
formed in the broad conjugating tube, globose, 42-50 /j- in diam-
eter; spore wall yellow-brown, punctate. (PI. XV, Fig. 13.)
Russia, Baku; Manchuria.
33. MouGEOTiA GOTLANDicA (Clcve) WittFock 1 872. Bih. Kgl.
Svensf{ Vetensl{. Akad. Handl. 1 (i).
Vegetative cells about 17-24 ft x 75-1 50 ft; chromatophore with
scattered pyrenoids; conjugation scalariform; zygospores in the conju-
gating tubes, globose, about 30-34 ft in diameter; spore wall yellowbrown,
wrinkled. (PI. XV, Fig. 14.)
Sweden; Latvia; Estonia; Luxemburg; India (Randhawa Coll.); China
(Li Coll.).
34. MouGEOTiA LAMELLOSA Jao 1935. Sinensia. 6, p. 577.
Vegetative cells 19-30 ft x 60-1 85 ft; chromatophore with 4-9 pyre-
noids in a row; conjugation scalariform; zygospores in the conjugating
tube, elhpsoid, 24-32 ft x 28-45 ft; outer spore wall smooth, lamellose,
thick, especially on the ends; spore wall yellow, verrucose. (PL XV,
Figs. 18-19.)
Coll.).
China, Chungking, January, 1933; France, Falaise (Leo Lesquereux
The collection from Falaise, France, must have been made about a
hundred years ago, but the filaments and spores are in excellent condition.
This material is a part of a collection purchased from Leo Lesquereux by
the Philadelphia Academy of Sciences. Dr. Ruth Patrick identifies the hand-
writing on the label as that of Brebisson.
35. MouGEOTiA MicRovERRUcosA Krieger 1941. Rabenhorst's Kryptogamenfiora.
13 (2), p. 155.
Vegetative cells about 27fi x 70-108 ft; chromatophores with several
pyrenoids in a single row; conjugation scalariform; zygospores filling
the conjugating tubes, ovoid, 33-36 ft x 44-49 f^; spore wall irregularly
verrucose; elevations about ift in diameter. (PL XV, Fig. 20.)
Germany, Brandenburg, Trebnitz.