38 Mededeelingen van 's Rijks Herbarium Leiden: 
C. species Weiss, Foss. Fl. Jüngst. Steink. u. Rothl., 1871, Pl. 14, 
fig. 3. Indeterminable. 
C. species Higgins, Proe. Liverpool Nat. Field Club, 1871, PI. 1, fig. 17. 
Asterophyllites cf. charaeformis Sternb. 
C. species Dawson, Geol. Surv. Canada, 1871, PI. 4, fig. 49. 
Indeterminable. 
C. species Dawson, Q. J. G. S., XXVII, 1874, Pl. 9, fig. 22. 
? C. suckowi Bgt. 
C. species Dawson, Q. J. G. S., XXVII, 1874, Pl. 9 (exc. fig. 22). 
Anatomy. 
C. species Williamson, Phil. Trans. Roy. Soc. London, CLXI, 1871, 
fig. 2—18, 26, 29, 31—36, 39. 
Anatomy. 
C. species Williamson, Phil. Trans. Roy. Soc. London, CLXI, 1871, 
Pl. 24, fig. 30. C. suckowi Bet. 
0. species Dawson, Q. J. G. S. London, XXVII, 1871, PI. 9, fig. 18. 
Indeterminable. 
C. species Weiss, Steink. Calam., II, 1884, Textf. on p. 121. 
C. eruciatus Sternb. 
C. species Williamson, Phil. Trans. Roy. Soc. London, CLXIX, 1878, 
fig. 8—30. Anatomy. 
C. species Williamson, Phil. Trans. Roy. Soe. London, CLXIX, 1878, 
PID 31 Arthrodendron Scott. 
C. (Calamodendron) species Lesq., Coalflora, 1879, 80, PL. 75, fig. 16. 
C. schützeiformis forma typicus K. et J. 
C. species Schimper, in ZrrreL, Handbuch, II, 1880, fig. 124a, b. 
Indeterminable. 
C. species Stur, Sitz. Ber. Akad. Wiss. Wien, LXXXIII, 1, 1881, 
Textf. 10, 14, 12; id, Calam. Schatzl. Schicht, 1887, Textf. 12—14. 
Anatomy. 
C. species Saporta et Marion, Evolution, Cryptog., 1881, fig. 56. 
C. suckowi Bgt. 
C. species (avec Macrostachya) Saporta et Marion, Evolution, Cryptog., 
1881, fig. 57. C. schulzi Stur. 
C. species Twelvetrees, Q. J. G. S., XXXVIII, 1882, Pl. 21, fig. 2. 
Indeterminable. 
C. species Williamson, Phil. Trans. Roy. Soe. London, CLXXIV, 1882, 
Pl. 33, fig. 19. Anatomy. 
C. species Renault, Cours, II, 1882, PL. 17, fig. 1. 
t Asterophyllites equisetiformis Schl. 
C. species Achepohl, Niederrh. Westf. Steink., 1883, Pl. 40, fig. 7. 
Indeterminable, 
