United States. Dept. of Agriculture · [Washington · leaf 72
s, but this is by no meansa constant character. The cross markings are shown as oblique in one cell, but*even this is by no means uniformly found. In the specimens described inanother place, it will be seen that while in Russian hemp the same obliquity isnoticed, in American hemp the markings are… … No. 8 represents portions of the separate cells of the cotton fibre as delineatedin the beautiful drawing of Riessig. The original tubular or cylindrical characterof the line cell is lost, and in desiccating, the walls have collapsed upon oneanother irregularly, which gives the peculiar spiral…
Flax · Hemp · Textile fibers
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