Note 140 — XXVIII. An Account of the Impressions of Plants on the Slates of Coals: In a Letter to the Right Honourable George Earl of Macclesfield, President of the R.S. from Mr. Emanuel Mendes da Costa, F.R.S.
Reading edition
Woodward, Catalogue B. p. 104. specimen q. 1. was of 6 1-half feet in length; and Catalogue D. p. 60. specimen h. 38. was a yard long; et alibi passim. In the collieries at Swanvich in Derbyshire, in 1752. a plant of the cane kind was found 14 feet long: it ended in a point at one end, and at the root in a large knob, and in the middle measured nine inches about.