United States. Dept. of Agriculture · [Washington · leaf 74
which twist is mainly to be attributed to theobIii[ue direction of the pores. The specimen represented in the drawing has been spun by hand. Whenflax is si)un by machinery there are always adhering substances derived fromthe remains of the short cells, which are removed by passing through… … The figure represents the separated cells, which are somewhat like those offlax. Three of these cells are shown with forked ends, but this is by no meansa constant character. The cross markings are shown as oblique in one cell, buteven this is by no means uniformly found. In the specimens described…
Flax · Hemp · Textile fibers
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.