ERECT SIGILLARia: AND STIGMARIAN ROOTS. 



i. Sigillaria in situ, with Stigrnaria Hunts mid Rootlets Sydney. 

 ., 2. Roots of the same, as seen in a horizontal Section — Sydney. 

 .. •'!. Stump nf Sigillaria Sydnensis, showing the stem (-(impressed into a dome— l-12th 

 nat. size— Sydney. 

 i. stump of SigiUaria, with very regular Stigmarlan Routs spreading in Sandstone 

 —Port Hood. 



I, '-'. ■'!, are from papers by Mr Brown, quoted in the text See also pp. 180, 488. 



