10 



BULLETIN 869, U. S. DEPARTMENT OF AGRICULTURE. 



*■> 



« 



If 3 



8° z 



CMr~^CMCM^COCM-^t^COCMO-^'^^OCOCOCMt~C©COCOCMCOCCCDCMCM«t~''C*r~^'<riOr~COCOCOaO 



-H-H-H-H-H-H-H-H-41-H-H-H-H-M-H-I-I-H-H-H-H-H-41-H-H-H-H-H-H-H-H-H-H-H-H-H41-H-H-H-H-H-H 



• .-,.^cocMcoc^cocMcccMcD^LOt^cNcc»ot^©CMt^c»^ccc^cMcoccocccococM^co-^OT-ir^t^i'~Tt« 



^^^UD^^CDO^odcOCO»^^050C^'^OldOC^^cd^lOIOC^l£5CO^^OGd^C^O^t>^0 



11 



o > 



S3 



HQ^»HHOHHH«HHMHHpH^^HH«MHHHHr4N^F4H«rHN«HnNHHr4rt 



cooooooooooooooooooooooooooooooooooooooooo 



-H-W-H-«-H-H-H-H-H-H-H-H-H-H-«-H-H-H-H-H-+1-H-H-H-H-H-H41-H-H-H-H-H-H-H41-H-H-H-H-t141 



oe , *W'frtNNOio«(^iccxc-:'*»f:c'fc; r >:Nr:oNt*NrHiONMnNmOK50i!NONrH 



HH<Nr-iHHiH(CeC«THHO;r4n6lNH^HfllNFH(NNHHNHHHCC!N«N«W!NHClWCO 



© 



i 



ooooooooooooooooooooooocoooooooooooooooooo 

 -H-W-H-H-H-H-ti-H-H41-H4l-H-H-«-H-H+l-H41-H-H-H-H-H-H-H-H-t1-H+l-H41-H-H4141-H-H-H-H-H 



r^-^COOOcO^©'^COTj't^^cO^CCCKcOC-l-^CS^^-'1<r~CC^^~. C-)iCCC:OCOt^^CCt^iO^H00^HCO 



mrocoNNC>ic>ie<ic^c>icse^ecrocccomcNCNcqc>icNcococ<3mroc^ 



fc-i+j 



■^NOl^N'^OCOCONgiHNOO-^OOMOHNO^OiOiMNWOOOCftTHOOOO'^iOOOWtDNiOeOM 



ocooct^r^onccnoot-cooiO>H'*ooooiO!Oio©ot-toioioioN»oto^ioioio-^cc^ooM 



»-H i-H CM I— 1 ^IHMH T+l-i i-H t-H 



s-. 



i 



a 

 & 

 m 

 o 

 t-f 



a 



f-i 



O 



>. 



a 



o 



a 



& 

 co 



a 



"3 























































































ie 























































































°1 



in 























































































o 























































































00 























































































o 























































































~* 



- 



- 









«-l 





































































CM 







■* 

















- 



iH 



















- 



































o 







00 









-- , 







CO 



CM CM 















CM ' 



































00 

 CO 



00 



X 









■*co 







CM 



co«o>-i 













t>.w 





•- 





























CD 



CMCMIT3 









oo 







•*HrHS5H 











r-lCM-tl'^rt 









CM-H 









- 1 







* 



co' 



IC OS CO 









CM 







t-TH^*<oOM< 

 CM i-l 







CM -^< CD O) iO CO ■* 



CO CO CM ^H 









coco 





oo 



CM 







-f 



CM 



CO* 



r-HCOCM 



.-ICO»0 





coco^jt^.<-< 







■HHCONO'-'CTiO'* 

 CN CO CO CO CNI 





CN-— (■uOt^iO'^cO'^t^ 







CD 



o 



CO 





**i-IOO 



00 00 -# O i-l CO 



■* occo 



^ lO CM CO 'W»O-*C0McOCOeO^CftCO 

 CM ,-« ,-h i-t • r-I^H .-, 



CN^CN^HTtiOiCOiOCiO 

 H CN t-H rH 



CO CM 00 



00 

 CN 









HreNONN«00N«"ft»Nrtf)Offi010)<NH 

 CO CD CO OS CO ^H i-l »-H i— 1 CM i-l 



-HCNCO 



cocooascoooscNco-— li-H-iOCO 



CNCN ^H i-H ^H rH CO 



cm 









CD^COCM.-t^.-llOCMC© 

 lOtfOlOCCWr-tlOCCj 



-#o» 



»C GO CO 1"-- C-^ rH 

 CN -f -rf ^1 i-l 









HHU5MH I— 1 cH rH r-H CN ^ CO 



•** 









COO.-ir^OSCD'^COCM 

 COCO H1NIO 











ONMH-* 











■^Olr-(CNI>CN-— IIO 

 CN cO«D t— ( i-t 



CD CO >o 00 r^ CM 



.-ICMCO 



1 













CM 





.-ICMt^CO 

















•CM 











■-■■■i r- co 



CN 



CMrH 



CMi-l>-IOOcO • 



o 

 cm 

























C^l 

















- 





































CMCM ' 



00 























































































to 























































































p 





■*co 

 o o 



CM.1 

 COCO 



C X 



re e> 



o c 



coce 









OS CO O CO t>. t~ 

 CM* CO CO CO CM (M 



o o o o o o 



«D-^*iOi-<'*lCf-<'*00>O0505i^C0CMC^l^00t s -t»»O».0OOaiOC0t fftO^COO 



CM^C^COCOCMCO^WC^CMC^COCOCOCOCOCOCMCMCMWCOCOCMCO 



1 



or~cX)cot~cci^cDOOh-oocot^r~c^oor~r^.oooor~r~r~ccoor^r--i-~t^oooot--t-~t^r^r^r^i-~t^oooot~ 



OS OS OS OS Cs OS OS C- OS C. C- OS C. OS OS O- OS OS C- OS ~ OS OS OS OS OS OS OS OS OS OS OS OS OS OS OS OS ' osi OS os OS o> 



c A d 

 ego 

 C *:3 



PL, pL| PM Ph PLh fin pc, pt, pt, ft, fis, pc, pc, ft, pc, pc, pc, pc, pi, pc, pc, pc, pc, pc, pc, fan pc, pc, pc, pc, pc, pc, pc, pc, pc,pc,pc,PL,Pt,pc,Ei,pc, 



1 



D 



* 



a 



Co - ) co * 



tip 



g-cfl 



CG 



' 



c 

 - 



a 



■<: 



1 



I 



a 



c 



c 



c 



> 



c 



cc 

 ec 



a 



a 

 i - 



K 



1 



s 



c 







01 



; 







£ 



a 

 al 



:: 



i 

 ,<c 



a 







i 

 p 



i - 



ra 



-4 



'■-. 





K 



at 



CO 



1- 



cc 



i 

 p 



-1- 

 CI 



CC 



1 - 



CO 



a 

 i 



K 



r- 



CO 



5 



C 



; 



CO 



-; 



CO 



1 

 P 



'C 



i 



at 



co 



CO 



P 



A 



1- 



; 



cc 



■ - 



CO 



CC 

 : 



i- 



DC 



i 



■I 



cc 





e 

 : ; 



2 



v 



1^ 



CC 



c 

 a 



c 



10 



5 

 i - 



cc 



! 



CO 



2 



CO 



