. The world's commercial products [microform] : a descriptive account of the economic plants of the world and of their commercial uses. Plant products; Produits naturels; Produits végétaux; Natural products; Botanique agricole; Botany, Economic. The World's Commercial Products. A l>0(IK ) OWING TO BAD CONDITInXS WHEAT IN'DER GOdD CONniTIONS till- Iwst known being " roucli grass" cir ";' which is a very tniuhlesomc weed in cnltivatcd land. Hut it lias its us( s, inasinnch as its long, creeping, underground stems give it tlie p(nver of binding sand s
. The world's commercial products [microform] : a descriptive account of the economic plants of the world and of their commercial uses. Plant products; Produits naturels; Produits végétaux; Natural products; Botanique agricole; Botany, Economic. The World's Commercial Products. A l>0(IK ) OWING TO BAD CONDITInXS WHEAT IN'DER GOdD CONniTIONS till- Iwst known being " roucli grass" cir ";' which is a very tniuhlesomc weed in cnltivatcd land. Hut it lias its us( s, inasinnch as its long, creeping, underground stems give it tlie p(nver of binding sand so that it can b(> planted to arrest the jirogress of sand dunes, to hold together embankments, etc. These wild " wheat grasses " are, liowe^-er, of no value as food plants, yielding but little grain. On the other hand, the cultivated species which, for the time, may be collectively spoken of as wheat, are of the greatest importanc(>, yielding the most valuable cereal in the world. Wheats have bein cultivated by man from time immemorial, and nothing is now known of th(> original wild forms from which they are descended. In old legends and ancient ni.,nuscripts wheat is spoken of as as at the present day. Nor do we know with any certainty in which country it was first found ; but it st'cms I)robable that Central .Asia w,is the original home of the wild forms from which the cultivated species have si)rung. .Mthough we have used the name " wheat " above as including ,all the cultivated varieties of the genus Trilinim, this is not quiti' correct, and bi inre proceeding farther it will be well to givi' a few notes concerning tlic various species. They fall into three chief groups :â 1. Small spelt, or one-grained spelt (Triliciii" nnmococcnm). 2. Wheat, including spelt and rice spelt ('/'. sath'ttni). 3. Polish wheat ('/'. Polonicum). (1) Small shell or oiii'-gnniicil spelt is usuall\- characterised by each of the little branchlets o
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotanyeconomic, booky
