Memoirs of the Torrey Botanical Club: The Naiadaceae of North America (Classic Reprint), Morong Thomas

The first botanist to reduce the North American species of Potamogeton to anything like a complete and intelligible sys tematic shape was Dr. J. W. Robbins, of Uxbridge, Mass. To his pen is due the description in Grays Manual, edition 5. Of the species within the range of that work. To this he added in the Botany of Kings Expedition an account of the species found in Nevada, Utah and the. Adjoining regions, completing his work in the Botany of California by Brewer and Watson by a determina tion of the species on the Pacific coast which were then known. At his death, in 1875, Dr. Robbins bequeathed to me his collec tions, containing not only the gatherings of. Many years by his own hand, but also specimens from the Herbarium of Tuckerman, one of the earliest students of this genus, and from Oakes, his close friend and collaborator, in whose lamented early death our country lost one of its most promising naturalists. Dr. Robbins left with his Herbarium an injunction that his plants should be dis tributed as widely as possible. I feel, therefore, that I am execu ting a sacred trust in issuing a monograph upon the Order that includes as its principal part the family upon which my friend ex pended so much thought. Besides this, the paper here presented includes not only the embodiment of my friends most cherished convictions, but the results of my own studies in a personal ex ploration of nearly all the waters from Quebec to Virginia, and from the Atlantic to the Mississippi. This monograph, however.

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