Vol.5 



December, 1905 



No. 12 



TORREYA 



A Monthly Journal of Botanical Notks and News 



KDITED FOK 



Tin: TORREY BOTANICAL CLUB 



MARSHALL AVERY HOWE 



LI 



JOHN TOKKEY, 1796-^1873 



CONTENTS 



A statistical Method for comparing the Age of different Floras: Khiam M. 



Haki'kr 207 



Artificial Coloring of Flowers : Henry Kraemkr -ti 



A Key to the Agariceae of temperate North America : Wir.i.iAM A. Mikkiii.. 2\; 

 Shorter Notes 



The Cuban Columneas : N. L. Br n ton 2\ ^ 



Astragalus lotiflorus nebraskensis : J. AI. Bates -'15 



A curious Cactus Fruit : W. A.Cannon :!i' 



Reviews 



Christensen's Index Filicum: Lucien M. L'nuekwuok -17 



Proceedings of the Club : Kor.ANi> M. Harper, C. Stuart (Jagkr -i , 



News Items - 



Published for the Club 



At 41. North Queen Strfbt, Lancastkk. Pa. 

 iiY The New Era Pkintinc. Co-u a-.\ 



