This section is from the book "Commercial Gardening Vol4", by John Weathers (the Editor). Also available from Amazon: Commercial Gardening, A Practical & Scientific Treatise For Market Gardeners.
A fine deciduous Himalayan shrub, 4-10 ft. high, with green hollow stems, ovate leaves, and drooping racemes of white tubular flowers with conspicuous leafy, purplish bracts. It grows in any soil and is easily raised from seeds and cuttings.
 
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