14 



BULLETIN 9S2, U. S. DEPARTMENT OE AGRICULTURE. 



a, 



*s 





t3 





s 





e 





~ 



a 



r-Si 



Hi 



U 



M 



-S^ 





°> is 



o 



£? 



rl 



"S* 



< 



C) 



fe s 







~ 



« 



o 



D 



. ._; © o co i-- r-- © © © cm co 

 x © — co v ?- -r © co -v co ^h 



«^TT(NNr-fl 



■ t-h © iO o 



OiOH(N-*0«i*' 



izz 



(N W CC iO »0 CO ■* 



-*OcOcOO»0;Ot^NrOM'f 

 :c x © ■-. '.-. © © ci — x — < -r 



CCN^ONcON^ONO'.': 



c^r-T^x^cc*©"© co x^i^cqVcT 



co co ci oi oi o: ci cc <- x t-- ©■ 



o — h -* © co co o lo — i co © o 



>.. o c -. , -: oo — — — 'Mi- / 



© lO <— 1 CM X. -* t-h © © © iC CO 



co n e r. c cc © © -+■ >o >o ci 



h CO M M 01 C3 CM iO CD iO tH 



ro i- ci © x ci on — r- ci — 

 O CM iC c i :o ro to ' © O It- CC 



I 1C O •* Ol H H H 'D I 



h Cl lo IT- © CO 



* iCOJNN 



'/. :CO/.TrtHOM( 



■ HGCOIHHI 



■lOOl^O-' 



'CNOtHCO^iH^NQOHCO 



OGiI-- 01 © © CO © ro © X O 



cx en-- c d ■ c ■ © m i - — '. i .-o 



iO L^Hr-O 01 © Ol © -f CO CM 



© O * l — Cl — ' X © :o ~ C. © 

 1M M CN H C-l ^ H H Cl CICMiH 



X 3 © CC X -f "M CD 'O © © © 



co x -r x cc cd- r- <t oj —< cm © 

 cm © © cc © -?' c i co <■' co cm © 



HO0HN X CO lO Cl lO 'D 1 © 

 COCMCMDlClC<lCl.r-HDlCOCOCM 



r-Q-*Qt-^-#-'/ "D' — x 



i^ d x cd — ! D- m -r © x © © 



O Tt< OS Ol CD O M r- D — i Ol D 



t-h © »"■ CD CD © CC © CO —< CM OS 



co d i- ci — cc D m cc -th t-h i— i 



01 C I C 1 :o Cl Ol CO CM CO CO co CO 



©CO JOOO^iOhXiOcCh 

 WDN "D X i-O CO' D D Ol — < uO 



OdH-317 © X D -?< > O tH © 



CO X iO co -—< oco -r X -f I- X © 

 I- X I-- M CD CD © — ' r- i-O C 'O 

 CSIHHCl Cl Cl Cl Cl Cl CO M Cl 



) C O « H t^ CO 'O N O 00 H 

 lOOi^NrtO CC Cj >o d- i>. 



-■ CO LO X O t— CO 



co *o ci r- -d i-^ cd ci >.o 'O) co co 



~- X Co N H r-« CD O >H t • -c cc 



NHHHCNHH(M«Ci:i C 1 



CM -CH CD t.O CD t*h t-h Ol i-O t^- t~^ CO 



-h oi r- ci x —i i.o ci —i t-h r-- i^ 



x x. cx'OHcoociNcOor* 



OS £*~ ~i< O0 Gi *~ i30Q0^fO»O( 

 CD>cM0lCXCX'0iC0t--0l01'rriC 



cc cc. -f x ■* -t"* co m to oi io 



-* I— Ol C^l ^ r-I CD' CO -r .'- -o L- 



ONCOr*OOO^C005N^ 



C 1 -f* C 1 Ol 'O X O h H X O h 



XDO^CIONO'^ Ol - w D 



co oi co oi co co ci :c co :c --» cc 



X c: c i t.o co r* i-O — ! o d r- co 



-*■ c x cd ~ -. j '-H :■: io .- x — 

 O ?C 'X -r 1 CO o x_. cC CO i-H LO o 



O Cl i—l CD CO CD- UO i-H 01 -* Cl CO 



o) cc- x — ' d c -r x -r cc uo cc 



■^ CO CM CO CO Cl CO 01 CO -*t* "^ "^ 



O -f -^ CO CO W Ol Ol CX "*• *rH ^ 

 CD Ol t-- CO D C-l 1-- X 70 CC — h Ol 



t C: ■* :■: co ^O h N X O O Q 



N-*OSON'/ CO CC Cl 01 X 

 Oi CM t^- O t-t O CD CO CO CD -r Ol 



c; :o co to co :o co oj ^ -ct 1 tjh ^ 



ci lo o o ^ h oi ^-: th r- r^ x 



CD Oi CO 'D .C h- CD D -' ( CD f- Ol 

 O -( CM l> OO N H N »0 D 'Q X 



i ci oi co oi c-i oi co -* -m co 



Ol -\* CD C? — ~H -!' Ol »D HNCO 

 lOOI-DNNt-'-COCI r~- 

 r-I CO H LC X O t^ Ol Ol Cl 'O Ol 



Ol C-i Cl Ol 01 ci c; Dl Cl CO CO CO 



iO N « CO O * 



1 CO CD X CO CO — t 



-.. oj Ci 'O -r 1 r-- 



CO C 1 Tfl r-H t- Tt< 



I D ■ i 7" c i r- -d 

 I : 1 .- i M C I Ol M 



g o « art S ^ P S' o o o 



X N 7 C 'D -D C CO LO Ci X: CO 



C -r- >.0 D TO — -0 TO i" 70 D C- 

 O 01 -r Co X r- t^ M CC' Ol O h 



CD- C CD CO i0 D X i0 i-O LO -rt* Ol 



CO O lO 01 CO •* CO l> H rH O LO 



00 CO CO CO CO ' X CO Cl CD t^ X 



CO O C -■» D D C — CD 70 **£ — I O 

 -T O X 'Ti O CO CO O CO XI ^ O 



D D 01 i0 CO D — ' 01 -D X Ol D 

 X D D X CD -t 1 rf Ci Ol O CM t- 



CC ^ CD iD -* cc ~r CO -t< Cl »o »H 

 D C 1 iO D-D CO X CO !•- CO -t X 

 CM Ol Ci CD I- LO OI CO © © © r-i 



7-HT^LO00— lr- . ©COCO^©© 

 ^ O CO IO © T^ CO rH LO N Tf* t^ 



5 t- »D) © Ol © CO Ol 

 i r-4 CO O »r> 1> © i-i 

 * © « CO It* © I-- © 



Cl ~ X -f CO 'O CO CO — © Cl '0 



©LOTPLOTTHLO©©COCOTt 1 © 



© © -h © -f © lo © © oi -+ r-i 



Ol — i0 i0 © D X X .O IT- t^- Ttl 



©CO-^00COCO©C0i-HD01>r-( 



CO CO D © © © r- Cl TO X © Ol 



LO- LO LO -*CH rjn rf r^ r- 1 Ol r- © -^ 



CO CO X IO © © LO - 



OOcDCOiOiOrtC. ._ 



^r © -fi f-H c i © © co © © -*( ^ 



i CC 00 © © 00 



M CM C -f CO CO X CO CO iO ^ I- 

 N CO LO iO CO CM Cl uO CO X © X 



oi ci © h- -* io ~ r- ci x co oi 



X — — : X ID -D 01 I- X CO X -T 



Ot-HCOCMOHCOHCOOOl 



©*"or©"cc ^cfo^x'-rtT©*"©"— I x* 



i-i X © © Xi © © CO lo 01 CO It- 



lO©©O1C0I^©--^^ XC! D 



c. ' o D- i - D — ' -. o i - co © -r 1 -f 



r-I I> 1H >C CO H LO O CO CO O CO 



CO © C 01 t-- Ol © t-h t- CO H CO 

 LO CO t-- Oi CO © >o © I>- © x -t* 



t-H H r-1 CM rH rH 



r-« © lO © IT- rti © © X © I - X 

 -C- D" D D © I-- -.-. D X. C- 01 C! 



© CO © © © Ol r-H © © © ~r CM 



t^ir-^r^x^cc oi •— ci lo" © r-Tr-t 



CO' © © M © ^H © © Cl -H — X: 



T-Hr-trHr-lT-HT-lr-lT-lCMCMCMr-H 



X LO 70 D ■ — < © '0 CO IT- t- CO LO 



t- I C I - - © ! - i O © X X © - 1 



© -r cc 1 © lo -* i^ it- lo © lo © 



It- »0' © © © © r-< co cm i— 1 OS t— « 

 ©XX © D '.O X X © © © LO 



X 1 D D 70 © X © -1- t-- © © 



r- r-i co — 'O © j. © »o lo i-- to 



H X D O CO ■* X ci CN X O t> 



JQ^rHOOliOCOClCM'^CO 

 ■©lT-©lT-©©LO-CtHlT-t-© 



it- co -7- X r- it- »o — ' It- cc — ' it- 

 co © 'O o: r- M © r- -f -h lo © 

 co co r-i ci ci © -- CO X CO X Ol 



CM CM CO -f CO -h 01 — © © CC •— 



© © t- lo © Ir^- X' © © © © t~- 



l *cH l^ 



CM©-*©>01COCOt--'^H 

 t>lT-COCMlT-lT-©©© 



© IO t- Ci CO 



■j tr- co ^ lo cc 'Co ' o 



" c- © r-i co. r- c. co 



r-i CM CO CO CN CM t-h 



© tJh — i -* -^ © CO © — © -+• CO 

 LO © CO X — © © " j © X. — ' © 

 Ol cc IT- X C 1 CO Ol IT- © It- lo CO 



CO © © © Ol © © CM C 



© 00 LO © © LO LO Ol t 



(MrtHHHHlNCOC 



lo © lo r- lo o do > o © ~ oi © 



CO LO © r-I tO t— • © © 'O 7C -O — 

 X © D -H CO © I-- © t— © CO -T 1 



© -f 7 :c o -cc 7 r- © -r Ci '-0 

 © CD IT- © © © © — * h- © r- — ■ 



CMr-ir-ICMr-tr-HCOCO'-^'^'CTTOCM 



:o cc co -t< r~- -r 1 © r- t- lo t+h r-i 

 ©■ x ■-. C ©■ © © r- co l- x © 



t— r- co t-- t- oo oi © cm -hh © x 



GO T 1 cc to t- 1 — X c i : 



^ oi CO CO CO CM 



CO © t— © lO'OCl-rWHHCO 



co co © © © X' ci cc ci © r-i r— 

 lo r-i oi co x> r- © c CO' co © t-h 



cccm— Hoseot i -'*<co^jcococo 



CO © CO co © X : 



KM CM 00 CM t-H 



CO 1 1 o -■; io x co © :o co oi ixj © 



© 1 ' O © X © X r-I -H — I -41 © 



CO"*COr-l©©©CC©-+lrHCO 



-H a c3 D. ccJ - -D D £7 "a O O 



