18 Mededeelingen van ’s Rijks Herbarium Leiden: 
0. (Arthropitys) gigas Renault, Notice sur les Calam., III, 1898, 
Dlabis de. 4. ? C. undulatus Sternb. 
C. goepperti Ettingsh. 
C. goepperti Jongmans, Anleitung, 1, 1911, fig. 84, 86. 
C. sachsei Stur. 
C. goeppertì Gutbier, Gaea von Sachsen, 1843, p. 99. 
No Calamites. 
C. goepperti Roemer, Palaeontogr., III, 4, 1850, Pl. 7, fig. 8. 
C. roemeri Goepp. 
C. gracilis Lesq., Coalflora, 1879—80, Pl. 75, fig. 17. 
Indeterminable. 
C. (Kqwisetites) gradatus Eichwald, Lethaea ross, L, PL. 18, fig. 3, 4. 
Indeterminable. 
C. grandis (L. et H.) Ett., Haiding. Natw. Abh., IV, 1, 1851, p. 77 
(Asterophylhtes grandis L. et H., Fossil Flora, L, PL. 17). 
Calamites species with roots. 
C. gümbeli Schenk. Triassic. Sehizoneura hoerensis His. 
C. gutbieri Stur, Calam. schatzl. Schicht, 1887, p. 86 pars. 
C. multiramis Weiss. 
C. haueri Stur. 
C. heeri Stefani, Flore carbon. e perm. Toscana, 1901, PL. 3, fig. 10; 
Pl. 10, fig. 2. Indeterminable. 
C. hippuroides (Bet) Ett., Haiding. Natw. Abh., IV, 1, 1851, p. SI 
(Asterophyllites hippuroides Bgt.). 
Asterophyilites equisetiformis Schl. 
C. hoerensis His. Rhaetic. 
Equisetites scanicus Sternb. (Schizoneura hoerensis His.). 
U. hottonioides (Goepp.) Ett., Haiding. Natw. Abh., IV, 4, 1851, p. 81. 
Indeterminable. 
. inaequalis Eichw. Neocomian. 4 
C. inaequale Renault, Commentry, 1888—90, Pl. 56, fig. 2. 
C. infractus Gutb. 
C. inaeguus Achepohl, Niederrh. Westf. Steink., III, 1883, Pl. 34, 
GQ 
fig. 15. C. undulatus Sternb. 
C. inconstans G. E., Gard, 1890, p. 209. C. goepperti Ett. 
C. inequalis L. et H., Fossil Flora, Ill, 1837, PL. 196. 
Indeterminable. 
C. inermis Schloth., Petrefactenk., 1820, p. 401. 
Indeterminable. 
C. infractus Gutb. 
C. infractus Gutb., Zwickau, 1835, PL. 3, lig. 4, 5, 6, 
Indeterminable. 
