LACCOPTEEIS. 79 



1838. Steffensia pohjpodioides, Sternberg, Plor. Vorwelt, faac. vii. p. 125. 

 Phlebopteris polypodioides, ibid. p. 163. 

 P. contigua, ibid. p. 164. 

 Steffensia crenifoUa, ibid. p. 124. 



1848. Phlebopteris polypodioides, Broun, Ind. Pal. p. 969. 

 Polypodites crenifolius, ibid. p. 1027. 



P. Lindleyi, ibid. 



Pecopteris ccdspitosa, ibid. p. 914. 



1849. Phlebopteris polypodioides, Brongniart, Tableau, p. 105. 

 P. contigua, ibid. 



Polypodites crenifoUa, ibid. 



P. Lindleyi, ibid. 

 1830. Memitelites polypodioides, TJnger, Gen. spec, plant, foss. p. 161. 



S. Brownii, ibid. 



Polypodites crenifolius, ibid. p. 167. 

 1851. Pecopteris caspitosa, Bunbury, Quart. Journ. Geol. Soc. vol. vii. p. 186. 



1854. Phlebopteris contigua, Morris, Brit. Foss. p. 17. 

 P. polypodioides, ibid. 



Polypodites crenifolius, ibid. p. 18. 



P. Lindleyi, ibid. 



Pecopteris cmspitosa, ibid. p. 15. 



1855. Polypodites crenifolins, Audrae, Foss. Flor. Siebenbiirgens, etc., p. 35. 



1856. Polypodites Lindleyi, Zigno, Flor. foss. Oolit. vol. i. p. 162. 

 Phlebopteris polypodioides, ibid. p. 172. 



P. contigua, ibid. p. 175. 



Polypodites crenifolius, ibid. p. 163. 

 1864. Phlebopteris contigua, Leckenby, Quart. Journ. Geol. Soc. vol. xx. p. 76. 



P. propinqua, ibid. p. 80. 

 1869. Phlebopteris pohjpodioides, Sohimper, Trait, pal. veg. vol. i. p. 624. 



P. contigua, ibid. p. 625. 

 1875. Phlebopteris polypodioides, Phillips, Geol. Torks. p. 202, lign. 10. 



P. Lindleyi, ibid. p. 202. 



P. contigua, ibid. 



P. crenifoUa, ibid. pi. viii. fig. 11. 



Pecopteris ccespitosa, ibid. p. 207, pi. viii. fig. 10 and lign. 20. 

 ? Marearia Simpsoni, ibid. p. 204, Hgn. 13 and 14. 

 1892. Phlebopteris contigua, Fox-Strangways, p. 133. 



P. polypodioides, ibid. p. 134. 



Pecopteris ccespitosa, ibid. p. 132. 

 ? Marzaria Simpsoni, ibid. p. 131. 



Cf. Laceopteris, n.sp., Earth. Bot. Tids. pi. x. fig. 1. 



Type-specimens. Paris Museum. [Type of Phlebopteris propinqua 

 and -P. polypodioides, L. & H., in the Scarborough Museum ; type 

 of P. crenifoUa in the York Museum.] 



Fronds of the Laceopteris habit ; a long petiole subdivided at the 

 summit into several spreading pinnatifid pinnse with linear ultimate 

 segments passing gradually into shorter or deltoid segments towards 



