134 ZYGNEMATACEAE 



39. Diameter vegetative cells 25-33 ju, ^^^' 



tile and sterile cells cylindric 47- "^^ lugerheimii 



39. Diameter vegetative cells 18-25/j., ster- 

 ile cells buUiform 4S. 5. tajtiana 



39. Diameter vegetative cells 14-18 /x, ster- 

 ile cells not inflated 49. 5. perjorans 



39. Diameter vegetative cells 11-14^, ster- 

 ile cells inflated or bulliform 50. .V. porangabae 



40. Diameter vegetative cells 11-14/A, 



fertile cells slightly inflated 50. 5. porangabae 



40. Diameter vegetative cells 16-19^1^, 



median spore wall grooved 51. 5. jyiituitijossa 



40. Diameter vegetative cells 14-17 /a, 



median spore wall reticulate.... 52. S.sl{ujae 

 40. Diameter vegetative cells 18-25 /-a, 



median spore wall punctate 48. 5. tajtiana 



40. Diameter vegetative cells 26-29 /x, 



median spore wall punctate 53- '^^ hoehnei 



40. Diameter vegetative cells 29-35 )u., 

 median spore wall coarsely punc- 

 tate 54- '^^ robusta 



41. Diameter vegetative cells 12-16/x 179. S.taylorii 



41. Diameter vegetative cells 22-26 /a 55- '^- subpapulata 



41. Diameter vegetative cells 28-32)". 56. S.papulata 



41. Diameter vegetative cells 30-40 m 57- "^^ scrobiculata 



41. Diameter vegetative cells about 17/^.. 271. S.sibirica 



42. Fertile cells inflated mostly on the conjugative side 43 



42. Fertile cells enlarged or inflated on both sides 44 



43. Diameter vegetative cells 32-38 /j-, me- 

 dian spore wall punctate 58. 5, aphanoscidpta 



43. Diameter vegetative cells 30-40 a^, me- 

 dian spore wall coarsely scrobiculate. 57. S. scrobiculata 



43. Diameter vegetative cells 39-45 M 59- '^- kpffirita 



44. Median spore wall verrucose. ... 60. S.tuberculata 

 44, Median spore wall irregularly 



corrugate 61 . 5. daedalea 



44. Median spore wall irregularly 



reticulate 62. 5. daedaleoides 



45. Spores with median wall finely ver- 

 rucose ^^- ^- australensis 



45. Spores with median wall reticulate.. 64. S.labyrinthica 

 45. Spores with median wall finely gran- 

 ulate 272. S. atasiana 



