Volume 37 May- June, 1937 Number 3 



TORREYA 



A Bi-MoNTHLY Journal of Botanical Notes and News 



EDITED FOR 



THE TORREY BOTANICAL CLUB 



BY 



GEORGE T. HASTINGS 



John Torrey, 1796-1873 



CONTENTS 



A review of some medicinal plants. Part 2. S. C. Bausor 45 



Is Tilia americana L. valid? Leon Croizat 55 



Herbarium mounts in cellophane. D. DeLisa 58 



Book Review: 



A Monograph on the Genus Heuchera. H. K. Svenson 60 



Field trips on the Club 63 



Proceedings of the Club 66 



News Notes 71 



Published for the Club 

 Bv The George Ba.nta Publishing Company 

 450-454 Ahnaip Street, Menasha, Wisconsin 



Entered as second class matter at the post o£5ce at Menasha, Wisconsin, 

 under the Act of March 3, 1879 



