Vol. 7 June, 1907 No. 6 



TORREYA 



A Monthly Journal of Botanical Notes and News 



EDITED FOR 



THE TORREY botanical CLUB 



MARSHALL AVERY HOWE and PHILIP DOWELL 



JOHN TORREY, 1790-1873 



CONTENTS 



Notes on Polyembryony : Melville T. Cook 113 



Suggestions for the Study of the Lactariae : Gertrude Simmons Burli>gham ... 118 



Additions to the Tree Flora of the United States : J. K. Small 123 



Shorter Notes : 



A new Spruce from the Canadian Rocky Mountains : Stewardson Brown 125 



Proceedings of the Club 126 



News Items 130 



Published for the Club 



At 41 North Queen Street, Lancaster, Pa. 

 BY The New Era Printing Company 



[Entered at the Post Office at Lancaster, Pa., as second-class matter ] 



