Tumors, cysts, pith-bundles, and floral proliferations in Helianthus / by Erwin F. Smith.

  • Smith, Erwin F. (Erwin Frink), 1854-1927.
Date:
1927]
Catalogue details

Licence: In copyright

Credit: Tumors, cysts, pith-bundles, and floral proliferations in Helianthus / by Erwin F. Smith. Source: Wellcome Collection.

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    No. 19C. The small supernumerary capitulum referred to under 19B (PL VII). The upper rays at / were removed before it was discovered. No. 19D. Cross section of stem of No. 19A, 14 inches below the head, showing two long slits subtended by vascular bundles (except in inner part of right side of lower slit) and involving pith, xylem-phloem, and cortex. The white center is dead pith which did not hold the stain—methylene blue and acid fuchsin. Planar. CircaX 4. 15