1-' 



N. H. EXPERIMENT STATION (Bulletin 311 



punoj 



pjo;uL'aun;) 



:io;hoo 

 of 1" c t- to of 



^ c z z z z 

 - z z z> © © 



•fl" of © C- td of 



l~ © CI 

 - i *■ 

 of to <C 



o o c 

 oo o 



puno j 



u 



pa Mui.uuny 



puiiuj 



OOHt-NC 



© O O O CC rO 



: / / < 5« i- 



- 



CO 



Ifl o ■* 



c c c : z z 

 - -. - °. ° °. 

 ; i i- £ «o to 



o o o 

 o © o 



IOCBH 



CO -r :: — • " ' 



r. i <»dt- 



6 



— - 



CO CO C 



p»d|ui:ai.i  i 



punuj 



C 





EC C r: 



 



CM 



s © © c 



- z 3000 



-- — - o t- cb 



— C "f 



= c © 

 © oo 



c 

 - 

 — 

 - 

 y 



W 



*§ 



• 



o z 



— 



I — - — 



- ' C»lOH 



III - 



 - , 



— ~1 — — "5-3 

 = = = = = = 



<= eg a a a a 



l- u i- l- V- \- 



"■* ^" '* " ~* ' 



- - 



H fll fl) fll ~ -"C 



sljaal 



U k. U U C k. 



u l- k. v. u u 



- 



>- 

 z 



c 



"5 ~ 



-  



— = 



S3 



: 



x 

 O 



© cu 



'■U <■ 



I 





/- 



— 1- PH 

 xxx 

 of iA o 



t. >- i- 



o « c< 



>- I- t. 



U. — U, 



S - a. 



£££ 



.CCC 

 o o o 



