Art-studies from nature, as applied to design : for the use of architects, designers, and manufacturers (1872)
Hulme, F. Edward (Frederick Edward), 1841-1909, Glaisher, James, 1809-1903, Mackie, Samuel Joseph, Hunt, Robert, 1807-1887 · London, Virtue & co. · leaf 116
Sphcerozyga Berkeleyana. Spermosira Harveyana. cells is interrupted, besides by the spore cells, by a connectingcell, or heterocyst, differing in form from either, and not unusuallyof an entirely opposite and contrasting colour. Such is the casewith the Spermosira Harveyanay a very minute species…
Decoration and ornament · Nature (Aesthetics)
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