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Germany; Latvia; Yugoslavia; Finland; India,
SPIROGYRA 167
In the original collection there is a deposit of brown granules between
the outer and median walls.
62. Spirogyra daedaleoides Czurda 1932. Siisswasserflora Mittel-
europa. 9, pp. 180-81. Skuja. Acta Horti Bot. Univ. Lat-
viensis. 4, p. 39. 1929.
Vegetative cells 30-44 ju x 65-240 /a, with plane end walls; i chromatophore,
making 2 to 8 turns; conjugation scalariform and lateral;
tubes formed by both gametangia; fertile cells enlarged or slightly
inflated (-50 /x); zygospores ellipsoid, 30-46 /x x 46-90 ju; median spore
wall brown, with prominent irregular reticulate ridges. (PI. XXV,
Figs. 13-15.)
United States: Wisconsin (Prescott Coll.); Illinois; Ohio.
Latvia, Saaremaa.
63. Spirogyra australensis Mobius 1895. In Bailey, Queensland
Flora. Dept. of Agric. Bot. Bull. 1, p. 34, PI. 9, Fig. i.
Vegetative cells about 50 m x T00-150M, with plane end walls; i
chromatophore, making 2.5 to 3 turns; conjugation scalariform; tubes
formed by both gametangia; fertile cells cylindric or enlarged; zygo-
spores elhpsoid, 40-45^1 X 74^7 i^; median spore wall yellowish-brown,
finely verrucose. (PI. XLI, Fig. 12.)
Australia, Queensland.
Distinguished from S. tuberculata Lagerheim by the larger dimensions
throughout and by the cylindric or enlarged fertile cells; from S. daedalea
Lagerheim by the verrucose median spore wall.
64. Spirogyra labyrinthica Transeau 1934. Ohio Jour. Sci. 34,
p. 420. {S. daedalea var. major Him 1913) in Borge,
Zygnemales. Siisswasserflora Deutschland. 9, p. 27.
Vegetative cells 50-63 /x x 150-400 m, with plane end walls; i chromatophore;
conjugation scalariform; tubes formed by both gametangia;
fertile cells cylindric or enlarged; zygospores ellipsoid, ju. 43-58 x
80-118 /x; median spore wall brown, distinctly reticulate.
Germany, Wiirzburg.
SPECIES WITH PLANE END WALLS
TWO OR MORE CHROMATOPHORES
65. Spirogyra maravillosa Transeau 1938. Amer. ]our. Bot. 25,
p. 525.
Vegetative cells 2^-2gix x 108-260 /x, with plane end walls; 2 or 3
chromatophores, making 2 to 5 turns in the cell; conjugation unknown;