File:Contributions from the Botanical Laboratory, vol. 12 (1934) (20679275292).jpg

Title: Contributions from the Botanical Laboratory, vol. 12
Identifier: contributionsfro12univ (find matches)
Year: 1934 (1930s)
Authors: University of Pennsylvania. Botanical Laboratory; University of Pennsylvania. Morris Arboretum
Subjects: Botany; Botany
Publisher: Philadelphia : (s. n. )
Contributing Library: Penn State University
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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224 THE NATIONAL HORTICULTURAL MAGAZINE July, 1935 July, 1935 THE NATIONAL HORTICULTURAL MAGAZINE 225
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Phlox glabcrrima tergrades with Phlox Carolina on the one hand and with P. maculata—the next to he taken \\\^—on the other. From the former it is hest distin- guished hy its more numerous nodes, narrower leaves, and shorter calyx; it is also developed chiefly at lower altitudes. The stem of P. maculata has still more nodes, and its inflores- cence tends to he elongate-conical in- stead of corymbose; its range is on the whole more northern. The first published reference to this Phlox was that of Plukenet in 1705, and he indicated it to have reached him from Florida; to this day English horticulturists term it Phlox floridaua, although as already ))ointed out this name proi)erly ))e- longs to an entirely different plant. About the same time Clayton found it in \'irginia, and sent seeds or living material to (ironovius, who in turn contributed it to Clifford's garden. Here it was seen by Linnaeus, and w^hen he came to divide the vegetable kingdom into genera in 1737, he based the genus Phlox on this plant. What appears to be Clayton's original lo- cality has recently been rediscovered in Chesterfield County, Virginia. In Eun)))e it has ))een continuously cul- tivated since these early days, but in America it is almost unknown. No horticultural varietal designa- tions seem to have come into use in connection with this species; tliat the application to it of the species name floridaua is quite erroneous has al- ready been pointed out. The term (jlabcrrima occasionally gets applied to glabrous phases of other species of Phlox, but should be used onlv for the narrow-leaved long-styled plant here discussed. Phlox :maculata. Mhadow Phlox. The dispersal-center of this species appears to have been located in the Ohio valley, perhaps near the bound- ary of Kentucky. Ohio, and West Virginia. E'rom tliere it has spread south into North Carolina and Ten- %

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