Agricultural varieties of the cowpea and immediately related species . s Linnsean Society, 1794, vol. 2, p. 339)gives a brief description of Dolichos umbellatus, but does not describethe seeds. He mentions, however, the plant that he had previouslydescribed and referred to D. unguiculatus L. (Flora Japonica, 1784,p. 279). In this first description Thunberg gives the Japanese nameas Sasage or Naga sasage. Under Sasage the Japanese include,according to Useful Plants of Japan, both the asparagus bean(Juroku sasage) and the cowpea (Sasage, Aka sasage, Hata sasage, etc.). To what variety the name N
Agricultural varieties of the cowpea and immediately related species . s Linnsean Society, 1794, vol. 2, p. 339)gives a brief description of Dolichos umbellatus, but does not describethe seeds. He mentions, however, the plant that he had previouslydescribed and referred to D. unguiculatus L. (Flora Japonica, 1784,p. 279). In this first description Thunberg gives the Japanese nameas Sasage or Naga sasage. Under Sasage the Japanese include,according to Useful Plants of Japan, both the asparagus bean(Juroku sasage) and the cowpea (Sasage, Aka sasage, Hata sasage, etc.). To what variety the name Naga sasage refers is uncertain, butSasage alone seems to be used for vining varieties, especially one withwhite seeds. To judge wholly by the figure in Useful Plants ofJapan, which represents a variety not as yet obtained from Japan,Thunbergs plant would be referred to Vigna unguiculata. Among thevarieties the Japanese cultivate are forms referable to F. catjang, V. 1 See note on page Jul. 229, Bureau of Plant Industry, U. S. Dept. of Agriculture. Plate Flowers and Young Pods of the Asparagus Bean (Left) and of the Cream Cowpea (Right.) (Natural size.) THE BOTANICAL HISTORY OF THE CULTIVATED VIGNAS. H sesquipedalis, and V. unguiculata, as well as others that are probablyof hybrid origin between these species. It should be pointed out,however, that Maximowicz, followed by Prain (Journal of the AsiaticSociety of Bengal, 1897, vol. 66, p. 429), inclines to the view thatThunbergs plant is to be referred to Vigna vexillata (L.) Benth. (5) Dolichos monachalis Brotero (Flora Lusitanica, 1804, vol. 2,p. 125), commonly called Feijao fradibono, is said to be cultivatedthroughout Lusitania, Portugal. Brotero describes the plants asbushy or but little vining and the seeds as subreniform, 2^ linesbroad, 4 to 5 lines long, white or whitish with a black eye. He statesthat this color is the most frequent, but that varieties with yellowish,red, black, and black-spotted seeds occur
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