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A MYSTERY IN REFERENCE TO PRONUBA YUCCASELLA
Published online by Cambridge University Press: 31 May 2012
Extract
Last summer Dr. Geo. Engelmann saw some parts of the biological collection here, and was so kind to promise me his help to obtain some species, which I was very eager to possess, viz., Pronuba yuccasella in its different stages, and Phylloxera. By his request, I received through the kindness of Mr. Thos. Meehan, in September, two bundles of the stems of Yucca filamentosa and angustifolia.
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