142 ZYGNEMATACEAE 



no. Vegetative cell diameter 32-36/1, 



chromatophores 3-4 i55- '^- jranlilirJiana 



no. Vegetative cell diameter 40-50 m, 



chromatophores 3-4 156. 5. pellucida 



no. Vegetative cell diameter 29-40 ju., 



chromatophores 4-6 i57- '^^ colltgata 



no. Vegetative cell diameter 40-45/1, 



chromatophores 4-7 267. S. subpelliicida 



ni. Diameter vegetative cells 50-80/^, 



chromatophores 3-8 158. 5. majuscula 



III. Diameter vegetative cells yo-iio ij., 



chromatophores 8-9 159. 5. submaxima 



n I. Diameter vegetative cells 145-155/^, 



chromatophores 7 160. .S". glabra 



III. Diameter vegetative cells n3-i25/j., 



chromatophores 5-6 265. S. peipingensis 



112. Vegetative cell diameter 32-40 /t, 



median spore wall punctate 266. S. sphaerocarpa 



112. Vegetative cell diameter 65-80 /a, 

 median spore wall irregularly 

 pitted 161 . 5. bellis 



112. Vegetative cell diameter 80-1 18 /a 113 



112. Vegetative cell diameter 1 18-200 m 114 



113. Chromatophores 6-8, median spore 



wall irregularly reticulate 162. 5. moebii 



n3. Chromatophores 9-13, median spore 



wall verrucose 163. S. oblata 



iiT,. Chromatophores 7-10, median spore 



wall pitted, tubes formed by male cells 177. S. hydrodictya 

 \i},. Chromatophores 7-10, median spore 



wall reticulate-verrucose 168. 5. manoramae 



114. Diameter vegetative cells mostly less than 150/1 115 



114. Diameter vegetative cells mostly more than 150/1 116 



n5. Diameter vegetative cells 116-132/^1, 

 8-9 chromatophores, median spore 

 wall smooth 165. S. jassiensis 



115. Diameter vegetative cells 1 18-130 /i, 

 8-11 chromatophores, median spore 

 wall verrucose 169. S. jatobae 



11^. Diameter vegetative cells 1 18-140 /i, 

 6-7 chromatophores, median spore 

 wall reticulate lyo. S. maxima 



