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Of a Plant growing in the blighted or yellow specks of Damask-rose-leaves

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Of a Plant growing in the blighted or yellow specks of Damask-rose-leaves.png Of Moss, and several other small-vegetative SubstancesThumbnailsSeveral Observables in the six-branched Figures form'd on the surface of Urine by freezingOf Moss, and several other small-vegetative SubstancesThumbnailsSeveral Observables in the six-branched Figures form'd on the surface of Urine by freezingOf Moss, and several other small-vegetative SubstancesThumbnailsSeveral Observables in the six-branched Figures form'd on the surface of Urine by freezingOf Moss, and several other small-vegetative SubstancesThumbnailsSeveral Observables in the six-branched Figures form'd on the surface of Urine by freezingOf Moss, and several other small-vegetative SubstancesThumbnailsSeveral Observables in the six-branched Figures form'd on the surface of Urine by freezingOf Moss, and several other small-vegetative SubstancesThumbnailsSeveral Observables in the six-branched Figures form'd on the surface of Urine by freezingOf Moss, and several other small-vegetative SubstancesThumbnailsSeveral Observables in the six-branched Figures form'd on the surface of Urine by freezing
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I have for several years together, in the Moneths of June, July, August, and September (when any of the green leaves of Roses begin to dry and grow yellow) observ'd many of them, especially the leaves of the old shrubs of Damask Roses, all bespecked with yellow stains; and the undersides just against them, to have little yellow hillocks of a gummous substance, and several of them to have small black spots in the midst of those yellow ones, which, to the naked eye, appear'd no bigger then the point of a Pin, or the smallest black spot or tittle of Ink one is able to make with a very sharp pointed Pen.


Examining these with a Microscope, I was able plainly to distinguish, up and down the surface, several small yellow knobs, of a kind of yellowish red gummy substance, out of which I perceiv'd there sprung multitudes of little cases or black bodies like Seed-cods, and those of them that were quite without the hillock of Gumm, disclos'd themselves to grow out of it with a small Straw-colour'd and transparent stem, the which seed and stem appear'd very like those of common Moss (which I elsewhere describe) but that they were abundantly less, many hundreds of them being not able to equalize one single seed Cod of Moss.

Author
Micrographia
by Robert Hooke
Published 1665
Available from gutenberg.org
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