Dicotyledones. 115 



FLOWERED VALERIAN. Stem Smooth, erect or ascending, i to 3 feet high. Base 

 leaves cordate or ovate, stem leaves with 3-7 ovate leaflets. Divisions of the pani- 

 cled cyme few-flowered. Corolla pale pink, its tube J inch or more long. In 

 moist soil. 



2. Valeriana edulis, Nutt. (L., ^rfa/«, edible.) Edible Valerian. Smooth 

 or finely pubescent, erect, i to 4 feet high from a deep, fusiform root. Basal leaves 

 spatulate to lanceolate. Stem leaves pinnately 3-7-parted into linear or lanceolate 

 segments. Inflorescence an elongate, interrupted panicle. Flowers small, yellow- 

 ish white, nearly dioecious. On moist prairies. 



n. VALERIANELLA. Com Salad or Lamb-lettuce. 



(Name a diminutive of Valerian.) 



Annuals or biennials, mostly glabrous, and dichotomously branched. 

 Leaves tender and succulent, those of the base tufted, entire ; the stem 

 leaves often dentate. Limb of the calyx obsolete or short and toothed. 

 Corolla funnel-form or tubular, equally or unequally 5-lobed, small, and 

 white' or whitish. Stamens 3. Style slightly 3-lobed. Fruit 3-celled, 

 2 cells empty and the third containing a single seed. Inflorescence a 

 corymbed or panicled cyme. 



I. Valerianella chenopodlfolia, DC. {G\.,chen, goose; pons, foot; folium, 

 leaf.) GoosE-FOOT Corn Salad. Smooth, i to 2 feet high. Lower leaves 

 broadly spatulate, somewhat repand, stem leaves oblong-oval to lanceolate. Cymes 

 \ inch or more broad. Flowers very small, white; fruit triangular-pyramidal in 

 form. In moist soil. 



u. Valerianella radiata, Dufr. (L., radiatus, provided with spokes or rays.) 

 Beaked Corn Salad. Nearly or quite glabrous, 6 to 18 inches high. Lower 

 leaves spatulate or oblong-oval, entire; upper leaves oblong-elliptic to lanceolate, 

 often dentate. Cymes about 4 inch broad or less. Flowers white and very small. 

 Fruit tetragonal, broadly grooved, oblong or ovoid, mostly downy pubescent. In 

 moist soil. 



3. Valerianella stenocarpa, Krok. (Gr. stenos, narrow; iarpos, fruit.) 

 Narrow-celled Corn Salad. Similar in general aspect to the preceding 

 species, but the fruit commonly glabrous, sometimes downy-pubescent, and the 

 grooves narrow. In moist soil. 



CAMPANULACEjE. Bellflower Family. 



Herbs, mostly with a milky juice, alternate, exstipulate leaves, and 

 solitary or scattered flowers. Calyx tube adherent to the ovary, its 

 limb mostly 5-lobed or parted. Corolla gamopetalous, 5-lobed, its tube 

 sometimes parted down one side. Stamens 5, inserted with the corolla 

 and alternate with its lobes. Ovary generally 2-5-celled with axillary 

 placentcB ; or sometimes i -celled with 2 parietal placentae. Style simple 



