Vol. 17 October, 1917 No. 10 



TORREYA 



A Monthly Journal of Botanical Notes and News 



EDITED FOR 



THE TORREY BOTANICAL CLUB 



BY 



NORMAN TAYLOR 



JfiHN TORREY, I796-1873. 



CONTENTS 



Mushroom Poisoning : Beamax Douglass i7t 



A New Mertensia: G. E. Osterhout i75 



Some effects of excessive heat in northern Michigan : H. A. Gleasox 176 



The Peck Testimonial exhibit of Mushroom Models ; H. D. House 178 



The weight of seeds as related to their number and position 180 



News Items 182 



Published for the Club 1 



At 41 North Queen Street, Lancaster, Pa. 

 BY The New Era Printi9«g Companv 



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



