Vol. 5 December, 1905 No. 12 



TORREYA 



A Monthly Journal of Botanical Notes and News 



KDITED FOR 



I 



THE TORREY botanical CLUI5 



itv 



MARSHALL AVERY HOWE 



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JOHN Ti'l 1 ' ; , /•-1873 



CONTENTS 



a statistical Method for comparing the Age of different Floras: 1\<iiani' M. 



Haki'ik 2 ; 



Artificial Coloring of Flowers: IIf.nkv Krakmi k i 



A Key to the Agariceae of temperate North America : Wh.iiam A. McRRii i . ji 

 Shorter Notes 



The Cuban Columneas : N. L. Br n ton -i ■ 



Astragalus lotiflorus nebraskensis ; J. M. Batk- - 1 ■ 



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



Reviews 



Christensen's Index Filicum: I.ucikn M. Underwoou .. i 



Proceedings of the Club: Koi and M. Hari-kk, C. Stuari CiAc.kr... 

 News Items 



Published for the Club 



At 41 NoKTH QUBEN Strkbt, Lancastkk. Pa, 

 HY The New Era Pkinting Company 



