. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 1394 POLYGONUM POLYPODIUM long, soft dull green, the blade oval-oblong, lK-2 times as long as broad, shallow-cordate at base, scarcely pointed, the prorainent side veins uniting by the ends: fls. greenish, in relatively small axillary clusters, the akene trigonous. Island of Sachalin, north of Japan, in Russian
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 1394 POLYGONUM POLYPODIUM long, soft dull green, the blade oval-oblong, lK-2 times as long as broad, shallow-cordate at base, scarcely pointed, the prorainent side veins uniting by the ends: fls. greenish, in relatively small axillary clusters, the akene trigonous. Island of Sachalin, north of Japan, in Russian territory. 6540. 1876, p. 30; 1893, pp. 394, 395; 1894, p. 55. Gn. 21, p. 280. II. 26:813. 1881. Sacaline—Polygonum Sachalinense (X M)- and III. 14:159 (in fr.). 31:176. V. 17 cently introduced (in N. Araer. in 1894) for foi-age and for ornament. It is inveterately persistent when once established, and may easily become a pest. For forasre it has little merit where other things can be grown, for it is too coarse. For planting in rough places, where a thick cover is required, it is one of the best of all her- baceous perennials. It is perfectly hardy in the North and seems to thrive anywhere. P. SiebohJi was once distributed as Sacaline, but that species is much smaller, with smaller, shorter and square-based leaves, and with more profuse bloom. P. compdctu7}i, Hook., is much like P. Sieboldi, but "dif- fers in its dwarf size, decumbent lowly habit, small rigid leaves, with waved margins, and strict erect simple female ra- ; Japan. 0476.—P. multifldrum, Thunb. Tuber- ous-rooted climber, with reddish stems : Ivs. cordate-ovate- aeute, shining: lis. small and whitish in spreading panicles. China and Japan. —P. platycaulon, Hort. = Muehlenbeckia Platyclados.—P, spha'rostachf/vm, Meisn. Allied to P. affine, from which it differs in the "dense broad cylindric or globose spike of blood-red pendidous ; Himalay
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