t 



CONTENTS. vii 



XIII. Some interesting Additions to the Natural History of 

 Falco cyaneus and pygargus, together with Remarks on 

 some other British Birds. By George Montagu, Esq. 

 F.L.S. - - - - p. 182 



XIV. An Account of some new Species of Piper, with a few 

 cursory Observations on the Genus. By Mr. John 

 Vaughan Thompson. Communicated by the Right Hon. 

 Lord Seaforth, F.R.S. and L.S. - p. 200 



XV. An Inquiry into the Structure of Seeds, and especially 

 into the true Nature of that Part called by Gartner the 

 Vitellus. By James Edward Smith, M.D. F.R.S. 

 P.L.S. p. 204 



XVI. Observations on Nauclea Gambir, the Plant producing 

 the Drug called Gutta Gambeer, with Characters of two 

 other Species. By William Hunter, Esq. Secretary to 



the Asiatic Society. Communicated by the President, p. 218 



XVII. Observations respecting several British Species of 

 Hieracium. By James Edward Smith, M.D. F.R.S. 

 P.L.S. p. 225 



XVIII. Specific Characters of the Decandrous Papilionaceous 

 Plants of New Holland. By James Edward Smith, 

 M.D. F.fe.a P.L.S. - ► p. 244 



XIX. On the Variegation of Plants. In a Letter to Richard 



Anthony 



