No. 20. Jongmans und Kukuk, Calamariaceen. (1913.] 
Macrcstachya arborescens Achep. 6, 59. 
pn carinata Zeiller 72, 
Á carinata var. approximata Weiss 72, 
p infundibuliformis Bgt. 3, 4, 72—74. 
Myriophyllites gracilis Artis 4, 7,9, 20, 22, 36, 40, 75—76. 
Palaeostachya elongata Presl 8, el- 63, 64. 
a ettingshauseni en 3,6, 7, 59—60, 63. 
ò gracillima Weiss 60— el. 
5 pedunculata Will. 8, 63 —64 
x ef. pedunculata Will, 64 
5 superba Weiss 8, 64—65. 
Paracalamostachys minor Weiss 8, 74, 75 
de polystachya Weiss 69. 
Pinnularia capillacea L. et H. 4, 76 —77. 
ó capillacea von Roehl 4, 77. 
Fi columnaris Artis 4, 6, 7, 77—78. 
Poacites zeaeformis Schl. 74. 
Selaginellites erdmanni von Roehl 4, 39, 40. 
Sphenophyllum cuneifolium Sternb. 5. 
5 myriophyllum Crepin 3, 4, 54. 
Volkmannia elongata Presl 61. 
5 elongata von Roehl 3, 7, 59, 63. 
5 gracilis Sternb. 3. 
DS ludwigi Carr. 67. 
5 major Germ. 8. : 
a polystachya Achep. 5. 
5 polystachya Sternb. 69. 
Ausgegeben am 30 Dezember 1918. 
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