The Plant World 



A Monthly Magazine of General Botany 

 Established 1897 



Edited by 



Forrest Shrevb 



Published by 



The Plant World Association 



COMPOSED OP THE FOLLOWING MEMBERS: 



/osGPH Charles Abtbcb 



Purdue University 

 Otis Williau Caldwbll 



University of Chlcaco 

 Williau Avbtin Cannon 



Deaeri Laboratory 

 Cbasuss Stuakt Gagbb 



Brooklyn Botanic Garden 

 BuBTON Edward IjviNasTON 



Johns Hopkins Unlveralty 

 Francis Ernest Llotd 



McGlU University 

 Danibl Trembly MacDougal 



Carnesle Institution of Washington 

 Edoar 



Jaiods Bebtbau Otbrton 



University of Wisconsin 

 Gbobob Jaues Peirce 



Stanford University 

 Charlm Lovis Pollard 



Staten Island Association 

 Hebbeet Maulb Richard* 



Columbia University 

 Forrest Sbrevb 



Desert Laboratory 



VOLNBT MOBOAN SPALOINO 



Loma Linda, California 

 JoBN Jaues Thornbeb 



University of Arizona 



Nelson Transeau 



Eastern Illinois Normal School 



All manuscripts submitted for publication should be type-written and in good 

 order. Galley proof is submitted to the author, who should return it as early aa 

 possible to the Editor. Reprints should be ordered on a blank for that purpose 

 which accompanies the galley proofs. 



Reprints will be supplied at the following rates: 





WITHOUT COTBRS 



WITB COVERS 



First 100 



Additional 100 



First 100 



Additional 100 





$2.88 



$0.72 



$4.88 



$1.72 





4.82 



1.20 



8.32 



2.20 





4.80 



2.00 



6.80 



s.oo 



Express or postage is extra. 



Advertising rates will be furnished on application. 



Address all correspondence regarding contributions and reprints, and all 

 books for review to The Editor, The Plant World, Tucson, Arizona. 



The subscription price is $2.50 per annum in the United States, its overseas 

 dependencies, and Canada and Mexico; $3.00 to other countries. Single copies 

 less than twelve months old, 20 cents; single copies more than twelve months old, 

 30 cents. Volumes 8 to 14 inclusive can be supplied at $2.00 each, carriage paid. 



Missing numbers lost in the mails will be replaced gratis only when notice 

 is received within one month of date of issue. 



Make all remittances payable to The Plant World. Address all correspond- 

 ence regarding subscriptions, discontinuances, changes of address, back num- 

 bers and early volumes to: The Waverly Press, 2419-21 York Road, Baltimore, 

 Md., or to The Plant World, Tucson, Arizona. 



