go 



SIGILLARIA ELEGANS, BRONG. 

 PI. II, fig. 2. 



Brong. Hist, veget. foss. I, p. 438, pi. 146, Jig. 1; ;>/. 155; pi. 



158, /i/. 1. 

 Unger, Gen, et Spec. j). 235. 

 Corckt, Beitrage, p. 24, ^J&. 7, 8, 9. 

 J*. Roemer, Leth. Geog. j^l. 7, Jig. 6; vo/. I, ;j. 134. 



SIGILLARIA HEXAGONA, 

 Brong. Prodr. p. 65 ; Hist, veget. Joss. pi. 155. 



FAVULARIA HEXAGOMA, 



Steriib. Vers. I, ;;. 13. 



PALMACITES HEXAGONUS, 



SchlotJi. PetreJ. p. 394, j^l- 15, Jg. 1. 



Trunks 



Rami- 

 fications 



SIGILLARIA ELEGANS, 

 Brong. Prodr. j)- 65. 



ASPIDARIA VARIOLATA, 



Ster7tb. Vers. II, p. 181, j)l. 68, /</. 12. 



FAVULARIA VARIOLATA , 



Sternb. Vers, I, ^^ 13. 



FAVULARIA ELEGANS, 



Stemb. Vers. I, ^;. 14, 2)1. 52, j^^. 4. 



PALMACITES VARIOLATUS, 



Schloth. PetreJ. ji. 395, jil. 15, ^7. 3. 



Trunk longitudinally and delicately furrowed ; furrows 

 somewhat uneven or crenate , approxiraatively parallel 

 and equal; cicatrices discoid-subhexagonal , wider than 

 long, contiguous^ — separated, transversely, by slightly 

 curvilinear furrows, extending entirely across the fluting — 

 vertically, by the longitudinal furrows, which also assume 

 a slightly curvilinear direction opposite the scars : thereby 



