. 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. 692. Tip of leaf of DennstEedtia punctilobula. 693. Fruiting lobe of Dennsteedtia punc- tilobula. Smithii, Moore. Lvs. thick, the under surface almost woolly, glandular, tripinnate; lower pinnas 9-12 in. long, 3-4 in. wide; sori 2-8 to each segment. Philippines. diss6cta, from the West Indies, often 6-7 ft. hig
. 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. 692. Tip of leaf of DennstEedtia punctilobula. 693. Fruiting lobe of Dennsteedtia punc- tilobula. Smithii, Moore. Lvs. thick, the under surface almost woolly, glandular, tripinnate; lower pinnas 9-12 in. long, 3-4 in. wide; sori 2-8 to each segment. Philippines. diss6cta, from the West Indies, often 6-7 ft. high, with broad (2-4 ft.) lvs. is sometimes seen in cultivation, and is well worth a place in the trade. L. M. Undebwood. DENTAEIA (Latin, dens, tooth ; referring to the toothed rootstocks). CrucUerce, Toothwokt. Dealers in native plants sometimes cultivate a few of these hardy herbaceous perennials, which have pleasant tasting root- stocks, 2 or 3 lvs., mostly with 3 leaflets, and corymbs or racemes of large white or purplish fls. in spring. The European and eastern American species are readily told from Cardamine by habit and many obvious differ- ences, but the western American of the two genera converge so that some botanists have merged Dentaria into Cardamine. (See E. L. Greene, Pittonia, 3:117-124.) The genus contains no arctic or alpine forms. About 9 species are cultivated in Old World rockeries. They are of easy culture in light, rich soil and moist, shady posi- tions. Usually prop, by division, as seeds are not abundant. A. Mootstock not tuberous. diph^Ua, Michx. Pepper-root. Eootstock several in. long, often branched, strongly toothed at the many nodes : stem-Ivs. 2, similar to the root-Ivs., close to- gether ; leaflets 3, ovate or oblong-ovate, coarsely cre- nate, the teeth abruptly acute: petals white inside, pale purple or pinkish outside. Nova Scotia to S. C., west to Minn, and Ky. 1465.—Rootstocks 5-10 in. long, crisp, tasting like water-cress. Pretty sprin
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