"Branching fiber, from spiral vessels of Gourd (Cucurbita Pepo)." — Encyclopedia Britanica, 1893
"Spiral vessels of the Melon, showing the elastic fibers uncoiled, and the vessels overlapping at their…
"Plain muscle fibres. n, nucleus of muscle cell; p, undifferentiated cell protoplasm; p', the differentiated…
"a, axis cylinder; b, inner border of white substance; c, c, outer border of same; d, d, tubular membrane;…