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136
ZYGNEMATACEAE
57. Spore diameters less than 60 /x 58
57. Spore diameters greater than 60 /x
58. Chromatophores 2 to 3, spores
57-5S/X X 69-71 /M
58. Chromatophores 4, spores about
Tl-
^- tvdwitschii
50M X /i. 75-100 "]%. S. parvispora
59. Chromatophores 3 to 4, spores 63-68 /^
X 120-140 /x 79- '^'- titrjosa
59. Chromatophores (2-3)4, spores 57-
68m X 100-21GJLC 98. 5. szechwanensis
59. Chromatophores 3 to 5, spores 60-80 /x
X 90-1 70 /x 80. 5. nitida
60. Chromatophores (2-) 3 (-4), di-
ameter vegetative cells 86-92^. . . 81, S. hymerae
60. Chromatophores 4, diameter veg-
etative cells 90-1 15 /x 82. 5. setiformis
60. Chromatophores 4-6, diameter
vegetative cells 1 15-128 /x 83. 5. elliptica
60. Chromatophores 6-8, diameter
vegetative cells 90-100 jtx 84. 5. wollnyi
60. Chromatophores 6-8, diameter
vegetative cells 98-1 10 ju 86. 5. yiinnanensis
61. Diameter vegetative cells 115-128^,
chromatophores 6-8 87. 5. hatillensis
61. Diameter vegetative cells 125-150 /x,
chromatophores 3 to 8 88. 5. ellipsospora
61. Diameter vegetative cells i58-i66,u,
chromatophores 5 to 6 89. vS. splendida
62. Vegetative cells less than 60 /x in diameter 63
62. Vegetative cells more than 60/^1 in diameter 68
63. Chromatophores 3 or less in each cell 64
63. Chromatophores 4 to 5, diameter veg-
etative cells 50-60 /x 90. 5. emilianensis
64. Vegetative cells with 2 chromatophores 65
64. Vegetative cells with \ chromatophores 66
64. Vegetative cells with 2 or ^ chromatophores (rarely i in
No. 41 ) 67
65. Diameter vegetative cells 27-30 /x, ster-
ile cells inflated to 50/x 91. 5. exilis
65. Diameter vegetative cells 48-52 /x, ster-
ile cells inflated to 75/x 92. 5. distenta
59