. An account of the genus Sedum as found in cultivation. Sedum; Crassulaceae. 208 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. be the species best known. In the " N. American Flora," Rose's descriptions of praealtum and confusum are evidently copied from .Hemsley, "Biol. Centr. ; and he even says of the former, " a very doubtful ; His description of dendroideum, on the other hand, is clearly original, though whether based on living or dried material does not appear. The descriptions are not sufficiently full to point to satisfactory distinguishing
. An account of the genus Sedum as found in cultivation. Sedum; Crassulaceae. 208 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. be the species best known. In the " N. American Flora," Rose's descriptions of praealtum and confusum are evidently copied from .Hemsley, "Biol. Centr. ; and he even says of the former, " a very doubtful ; His description of dendroideum, on the other hand, is clearly original, though whether based on living or dried material does not appear. The descriptions are not sufficiently full to point to satisfactory distinguishing characters of flower between this species and the other two, but it appears easily separated by its leaves (see fig. 119), which. Fig. 118.—S. dendroideum M09. and Sesse. are. distinctly stalked and have a nearly orbicular lamina. In my plant, also, they have a whitish margin when young (due to a waxy secretion) and a purplish margin when old, while in the two other species the leaves are wholly green; the leaf also is of much firmer texture than in praealtum or confusum, and the stem is stiff and erect, with few ascending branches, while in the others it branches frequently and soon forms a low bush. The petals, described as lanceolate, appear to be broader than those of praealtum, narrower than those of confusum. The inflorescence is large like that of praealtum, not congested as in confusum. In the following description the stem and leaf characters are taken mainly from my living plant, the remainder from De Candolle, Hemsley, and Rose. To judge. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Praeger, R. Lloyd (Robert Lloyd), 1865-1953. Lehre [Ger. ] J. Cramer; New York, Stechert-Hafner Service Agency
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