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Image 24 of Annual report. 1906

Part of Kentucky Agricultural Experiment Station

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10 Bulletin Number 12.4. I A . _ _ » V dent enough when the seed is examined with a lens, is_so small as ~ Y l . to afford no clue to the presence of trefoilunder ordinary inspec- ‘ .tion. Fig. 9, D. V · . —- , a ‘ i ; Sweet Clover or Bokhara Clover (M eliloius alba) seedis anoth- - ~ er proscribed adulterant. The plant producing it has become some- " a 3 ` what well known of late because of its resemblance when young to _ . . alfalfa. It grows spontaneously everywhereiin Kentucky, a fact ~ A e { e sometimes thought to explain the general presence of the nodule A ` V AA bacteria of alfalfa in Kentucky soils. Itiremains to be proven, _ j however, that the two organisms are identicalj · The forage is not i - ‘ a · liked by our animals, almost any of the_tested_forage plants being A { eaten in preference. It is more highly thought of in Mississippi, - where, I am told, cattle eat it readily enough. It mlay be distinguish- e L ed from alfalfa at any stage of growth by the sweetish odor given off - _ . Q l by the crushed or wilted leaves. When grown it_ reaches a height of · ~A 5 to 6 feet and bears slender sprays of small white flowers much ~ __ Aff 7 liked by bees. The seed is oval in shape, slightlyflattened, with an Q l evident oblique groove on one side, the scar well towa.rd the smaller _ end, the indentation being commonly very slight, and the outline . . thus more regularly oval. Surface, dull (opaque). Length, 0.08; ,..·, (fcgi; I0A.(L6; thickness,0.05 inch. Ayellgwislg blrgown in color A I ;_»;;,A—.iA i e is ; no purp e in examp es s u ie . ig. , . Cf; 1 Yellow Sweet Clover (Melrilotus offibinalis) is another species _ ' mentioned in the law as a possible adulterant. The plant is less _A l g common than the whAite—blossomed species described above, and · · 31 grows less tall. It may be seen along roadsides at times as scatter- ed plants. The foliage is much like that of white sweet clover, - ,` but the blossoms, though disposed in the same way, are yellow in- A· stead of white. The seed also, resembles that of the related species, but averages, in a sample before me, a very little smaller. I lts sur- face is opaque, the scar near the small end, the indentation slight. · The oblique groove by which the other seed can generally be recog- I g nized is here obscure or wanting. In my sample, the seed capsule jfA_,;:§A_A= Q is disposed to adhere to the seeds tenaciously, `and most of them . . remain enclosed in it. Lenmh, 0.08; width, 0.05, thickness, 0,04 { _ inch. Color, obscure greenish to reddish yellow. Fig. 9, B, C. rf wma · I .—< ; A I

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