iv CONTENTS. 



XIX. Description of Peltophyllum, a new Genus of Plants allied to Triuris of 



Miers, with Remarks on their Affinities. By George Gardner, Esq., 

 F.L.S., fyc page j 55 



XX. Contributions to Vegetable Embryology , from Observations on the Origin 



and Development of the Embryo in Tropaeolum majus. By Herbert 

 Giraud, M.D., F.B.S.E., 8$c. Communicated by the Secretary . 161 



