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A Survey Of Mucilaginous Testa In Chamaesyce, Martha S. Jordan, W. John Hayden

Biology Faculty Publications

Seeds of Chamaesyce were studied for presence of mucilaginous testa. Samples were selected to represent all major systematic sections within the genus. Observations were made with a dissecting microscope following brief hydration of seeds; additional SEM observations of both intact and fractured dry seeds were made for selected species. With few exceptions, most of Boissier's subsections test positively for seed mucilage; however, mucilage is generally absent in subsections Gymnadeniae and "Sclerophyllae", for which absence of mucilage is regarded as secondary loss from mucilagionus ancestors. Although mucilage production is associated with a well-defined subepidermal layer of macroesclereids, it is …

Celebrating Garden Genius : A Handbook To Selected Gardens By Charles F. Gillette, Charles F. Gillette Forum, W. John Hayden, Sheila M. Hayden

Bookshelf

Celebrating Garden Genius : A Handbook to Selected Gardens by Charles F. Gillette was created as part of the 1992 Charles F. Gillette Forum at The Lewis Ginter Botanical Garden in Richmond, Virginia. W. John Hayden, Professor of Biology at the University of Richmond, and Sheila Hayden, Biology Research Associate at the University of Richmond, served as editors of the handbook.

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Charles F. Gillette
(1886-1969)

Arriving in Richmond on November 9, 1911 —a dull, damp, dreary day—Charles F. Gillette began his career in the Southeast as "clerk of the record" for landscape architect Warren Manning, who, working with architects …