The farmers' union. (Memphis, Mo.) 1891-1895, 1892-02-04

POLAR nv0R'0'zATiow.
ne Sr~Auss,ss ~ Nv ta"wsssse Pa6i;ss
b sAsssssl Cs..ss. breeding.
When q rlsus 10 raised frcm ssed h
win alwa,s .,sar . strung iikehtss 70
lie psrenta. and n the specified 10 Uno
which hes little tendency h .taRtsslDH
i viii ressmbis, il very elasely. sAyA ~
efohanEc. ;*,:.
Du, tHcrs ars marty species with
hare . great disps,sitiUS IN present
tisviaiions from what nsy b. eonsi.i.
ersd their original form and: thus,
from seeds Of the same pareut. II b
often possibls to prodnes. BY diGsf.
enco Of sSestmeuS. . numbor at planso
diasriog rousidsfaUly from QUE sis'
other.
Whatever such differences may b.
however. these plants sse all regarded
% belonging to the same species. aimee
they are drscehsied from . cpsuasca
stock, aud b. such expesimsnis il 10
often possible to show that plants
which have brcn considered 10 dis.
siocs specifies have no real title to b 20
II IL uf,en possible. how~vor. "a pro.
ducs seeds capable Of giving origin
to plants that shalt combine the
character Of two different races. This
Il done BY placing the pollen nf QUE
species upon tho stigma Of an"ther. %
that tho germ iurnished by ono shalt
b nursed. ~ II were. by the other.
II 10 not difficult to understand how
the germ thus influenced should he
subsequently developed into \ form
differing from that Of iss own parent,
for the Eerms Of crypsoxonia. which
are not received into any ovi.ia. but
arc d-p-nd-nt up"a The siemeuts
al"ne f'r their support. are ufsea de-.
veioPrsl. especially anon. the lower
sSiles. ins" forms verv different Iroaa
that which they would naturally ,pro.
ssni. Thu@ . muc"r. y sort Of funEuo
eonc.rned in production IT mol.iinesl,
has trsu .ct q growing In wasrr il 1
torm ." like ihss oS cDnIerva that h
was only recognized ~ . sunEus when
Il lifted up it, Srucsi6esIion above the
auid.
The p;ast developed from seed By
the agency Of two rsccs IL called .
hybrid. - ..-:
/, 10 necessary. In order iha, The
seeds thus formed shouia he fertile.
that tho parent spccio. should " ncss.
j allied 10 each other; and il ID very
seldom that by brid can b. prodsced
when they do not bsIong to the same
ksnus Nov IL the hybrid hears
flowers and iis stigma y feEtiiixsd with
ito own pollen. Il may proiues ssrds
that can bs raised into plants like Il.
duee third xeueratioa in. . like man
ueI.
hut there Il no instance in which q
hybrid race (and this applies to sbs
animal ~ we'll - 10 tho vegetable
crea,ion) which thus originated in the
intsrmixtufe Of Two species really die
tShcl has ever been continued without
intermixture heyond the ionrth or 6ilh
Gcnerxiion. The plant. when not fer
tile By itself. may bear seed II jta
stigma DO sprinklea with the pollen Of
ono of it, parent species; and ~ poles
may 10 fertile when placed on the
stigma Of either Of these. IL shia
manner . race intsrmsdiaae bssv<es
the hybrid and one q tho parent
species IL fso.iuccd; and thi. 10 con.
fnuod longer. just in pr"l~.rtion ~ i
il caused to approach tho pure breed.
by . successive iuteTmixsure; .ol Thu
kind.
Tho snd Of all hybrid races. pro-
duccd between species really distinct.
spps.rs to be. therefore. that eiIhe,
The race becomes soon extinct. which
Il will do IL kept separate, or it merges
into 0os Of the parsus races IL con
tinued By insermixsurs with either oI
them. This principle affords . vale
sble test for dss~rnsiuiaE what really
arc aud what are not disliucs species
Tor IL . By brid race can b psoducss
fertile Of isssN the probability u ssreal
that they are only .varicticA
Culilvalors 81 howera are ennslenlly
In the habit IT producing suca new
races brtn cen tho different varieties o.
many plants. for instance. the S0utl
American amary Ills and ealciolaria
Both these species are vsry much dis
posed 10 spualaseons variation. aus
BY selecting the most hesusifni of ii.
new races that spontaneously originate
from their serds and eau in. them q
pr,xluc~ by brids still larger amour
Of variety. ts,lh in form and eoluS. ma.
be obtained.
Thrse hybrtdx arc 81 equst Jer,ilh,
With their parents. since tie latter ~
no. '~psra'sd Ly any realty esssnsi.
difference. = "a i. ::
The siSsn:e mania which HASN'T 4at,
years manifested h.slf fer .nanataea
crosses 1t allir,i aud remnts species Il
birds and qnadrmpc.!s might. if proncr
y investigated. and with an ~se. Il
science rather than 10 gain. lessl q
many interesting facts bearing upo'
h