Yo 
On Sigillaria Brardii and its Variations. 235 
1848. Sigillaria spinulosa, Germar, Vers. d. Steink. v. Wettin u. Lobejun., 
1881. 
1889. 
1864, 
1871. 
1881. 
1882. 
%) 
Heft. v., p. 58, pl. xxv., figs. 1, 2. 
Goldenberg, Flora Sarep. foss., Heft. ii., p. 20, 
Die xaep tienes 
Schimper, Traité d. paléont. végét., vol. ii., p. 120, 
pl. Ixvii. fig. 12. 
Renault and Grand’ Eury, Etudes sur le Sigillaria 
spinulosa, Mém. Acad. d. Sciences d. l’institute 
nat. de France, vol. xxii., No. 9, pl.i., figs. 2, 3. 
Renault, Cours d. botan. foss., vol. i., p. 130, 
pl. xvii., fig. 2. 
Weiss, Zeitsch. d. dent. geol. Gesell., p. 376(May). 
Sigillaria denudata, Goppert, Foss. Flora d. Perm. Form, p. 200, 
y? 
a9 
9 
pl. xxxiv., fig. 1. 
Weiss, Foss. Flora d. jiingst. Stk. u. Rothl., 
p. 159, pl. xvi., fig. 3. 
Feistmantel, Der Hangendflotzzug im Schlan- 
Rakonitzer Steink., p. 86, pl. v., figs. 3, 3a. 
Weiss, Aus der Steinkohlenformation, 2nd ed., 
Da pple it. | fie. 23. 
1888. Sigillaria Wettinensis, Weiss, Zeitsch. d. deut. geol. Gesell., p. 569, fig. 3. 
1893. Sigillaria mutans, Weiss, in Weiss and Sterzel, Die Sigillarien d. preuss. 
Steink.-u.-Rothl.-Gebiete (Abbandl. d. k. preuss. 
geol. Landesanstalt, Neue Folge, Heft. ii.), p. 88. 
A. Leiodermarian Forms. 
1893. Sigillaria mutans, Weiss, forma denudata, Gopp. sp., Weiss and Sterzel, 
ibid., p. 92, pl. vili., fig. 39. 
forma denudata B, var. carbonica, Sterzel, ibid., p. 94. 
forma rectestriata, Weiss, zbid., p. 94, pl. ix., fig. 42. 
forma subrectestriata, W. and Sterzel, ilid., p. 96, 
pl. ix., figs. 44, 45. 
forma epulvinata, Sterzel, cbid., p. 97. ; 
forma subcurvistriata, Weiss, ibid., p. 98, pl. ix., 
fig. 43. 
forma undulata, Weiss, ibid., p. 100, pl. ix., fig. 46. 
forma latareolata, Sterzel, cbid., p. 102, woodcut 3. 
forma subspinulosa, W. and Sterzel, ibid., p. 105, 
pl. ix., figs. 51, 52. 
forma spinulosa, W. and Sterzel, ibid., p. 106, 
pls: x. fig5O; xiifie.. 504; x., fig.. 47. 
forma Wettinensis-spinulosa, W. and Sterzel, <bid., 
pp- 108, 127. 
forma Lardinensis-Brardi, Sterzel, ibid., p. 110. 
forma pseudo-rhomboidea, W. and Sterzel, ibid., 
p- 112, pl. x., fig. 48. 
forma radicans, Weiss, ibid., p. 114, pl. x., fig. 49; 
pl. xi. fig. 494, 49B. 
forma laciniata, Weiss and Sterzel, ibid., p. 116, 
pl. xi., fig. 53. 
