This section is from the book "The Standard Cyclopedia Of Horticulture Vol2", by L. H. Bailey. See also: Western Garden Book: More than 8,000 Plants - The Right Plants for Your Climate - Tips from Western Garden Experts.
(a Spanish botanist, D. Castillejo). Scrophulariaceas. Painted-Cup. Herbs with showy bracts in a terminal head or spike, sometimes cultivated.
Flowers small, solitary, in terminal gaudy-bracted spikes; corolla tubular, sometimes flattened laterally, 2-lipped; lower Up smaller, more or less 3-toothed; stamens 4: leaves alternate, entire or cut-Upwards of 30 species in U. S. and Mex., and 1 in N. Asia. Cas-tillejas are little known in gardens. They are more or less root-parasitic.
Spreng. Biennial or annual, 1-2 ft., hairy: radical leaves clustered, ovate or oblong, mostly entire; stem - leaves laciniate or cleft, and the middle lobe of the bright scarlet bracts dilated: corolla pale yellow, about the length of the calyx. Low grounds and grassy places, Canada, south.
Engelm. Annual, 1-2 ft.: leaves lance-linear and entire (or sometimes 2-3-lobed): bracts not laciniate, bright red and showy. Texas. - Blooms early in spring.
Hook & Am. Perennial, 1-2 ft.: leaves narrow-lanceolate, entire or the upper ones toothed at apex: flower-bracts becoming short and broad, red: spike lax below. Calif., in moist soils. - introduced 1891 by Orcutt.
Hook. & Arn. White-woolly perennial, 1-2 ft., the base woody: leaves small (1 in. or less long), narrow-linear, crowded or fascicled: bracts 3-parted; spike dense. Calif., in dry soils. - introduced 1891 by Orcutt.
Integra, Gray. Perennial, 1 ft. or less, tomentose: leaves grayish, linear, 3 in. or less long, entire: bracts of the short spike linear-oblong or obovate-oblong, entire or sometimes incised, red or rose. Texas to Ariz, and Colo. -Has been offered in Germany. L H B