The Seattle post-intelligencer. [volume] (Seattle, Wash. Terr. [Wash.]) 1888-1914, 1899-08-09
TO KILL rHE CANADA rnlsrLE.
q. .. DStanist Dewey Gives sesns IN
soFmaslon - to the Weed.

q. .. Dstanist Dewey livss sens m
sornasioa - e. me weea.
A communication has been reccived By
Roger b Greene. Of this city. from L. 9:
Dewey. assistant botAniss 70 the United
tnformaiicn N regard TO the Canada this
lie. This thistle q becoming very rfsya-
have sna 10, ' made much sisoss Is exserminate
IT, although they realise the amount Of
dama9v u does each year and that i =
utes IN the laws Of the ssate Of washInx-
ton providing = penalty for allowing the
wed 10 grow, but the law n very rarely
enfcreed. and vsry little attention - paid
NJ. Dewey si.ss an accurate s.scr.p.'cen
destroyed He Says
Of june $. copy Of circular No 5 81 this
division, on the Russian thistle. has neeu
mailed 70 you- ! rsgrss g ssass nat es.. We
button o., he Canada thistle
ssThs Canada thistte u true Thistle,
growing from running. perennial. unsasf-
nss n s sm.ssr ssa stems s sssss rrsaaa
are herbmeeous. dying 70 the GROUND eacn
year afser nowerin1 Thers stems are
.isty snehes IN height Heneraiiy about
three fe<t), leAfy from the base. but
branching only near the top. The leaves
,ss sss Z he . IS. ere ..v. s:a Any ss.a
on<~Aais to one and ore-haif inches wide
ana frrm two 10 AZ fhra~s long. smooth
and greer on both surfaces. ana ys-y spiny
sins The smooth crtmp<d leaves dixtin-
rulsh the Canada thistle from most other
species The dowsfs. purple or srsreiyl
ro,srss.si nv xsiny snvolacres- The heads
are one-naif 10 enc inch Ia diameter, ana
about as high In many locauuss. ssre-
siasy n segons ~serT ., nn see. are sell
dem produced. bat they ere likely 10 %
found aimaet any year Zen nrst w
srosacsd, the Canada thistle ususas sr,ss
wssr Il becomes established. Il covers the
ground IN shick patches, 70 the exca1Ann
81 most other vexctAtien- The seedangs
resr,v FAT on the erauna IKE the leaves
81 dsnaetfon the Arst year. bat the pants
xfa~sas srum the rcass do net often pro
s-rns rnnaia thistle Is usually insressae-
"a into new localities hy sF<sis rsrfs~a IN
ttsspsare commercial sssa. Ia thTeshfnx ma.
sainsss n srsnsssy r sy ,n< r = II IA
ersgagssed BY swe<ts ard Alss aaors asan-
dainty ey The numerous perennial running
roots. which sxsssd hcssssnssiy ~ Z aspsn
face 90 re ground Tasse rsass have rttn
xsfavess ~ experiment 20 be capable o. pre-
Aaslag psauts from psecss arr~fesasth q 40
x.
sh>ss ira farms and sron Geld "a ned ~
rafffvstsrx tEsois. and they sss sometimes
- rrs~st IN nursery stock. To prevent shss.
ties frs.rn spresssvg. infested areas sssaid
rsyar be plewed or eeisxssse. t2xssAss
w.fn ether Parts 81 The resa ard n mead
ss~. the YSAats shs.ks rss Re e0s tor hay
after shcy are Ia flower.
ssfn prssssa nrsax pastures - ssEtfA Ssw
ynsk Acre the kAsssis a&x been q bad
wgees So sazrs than . esstaFy. u IL keps
ir xkxrk Ard psx~enteA frcs1 sprssdiaG
hx rssssHiex swsee eaSA year hsfoye tne
nerss ara grsstac~a Newtnx when tire
es.A a hzSlsw Al TIE time 81 newwrsnx.
Ill sasek the growth nsoss- sna wsl ssfne-
stss~. xsla she thlssass- especially II TIRE rzs-
.snx - fSssewes by e@nttnasst rain shss
wsss ssstaee decay "a sfss hasIss ssnaAsse
ts.,stans hefew the surface ~ TIE 9r1s.ad
wsth reg ar spat essce a nsanfa aarssx
sex xruwsng ssa%sn MI ksls fasm N sso
yvsrx Sal. or ksros~t~ AerGsei to the
ssas-xS where tie ptarts are cut III Az II
sse esssyu<esas ef sas rests sac. EAA
tsr,,~ n cider assrse rexzazsc<s A-sted tAaeku
- -, fas,a VIII kill ssAnsssx sakstass bat y
Sea ks,sy an ekASr yeExsAssoe sfss sFSiss
~ ssud far rrcwta a any GRIP far sasws
~ s.sxr wears In nAstar~s sss sasstss fsAy
:. ssissi sy sAstsnw tnsxs ff<saessssxs e sss-
ss..s a. Ssx>ex - Yas th<m ssa~~sx. pxA*sp
esssnred where sAtDgi<e 49, AAsssd Usually