C. pulla, 6 in., purplish, nodding, on slender erect stalks; C. turbinata, 9 in., purple, broad-belled; C. carpatica, i ft., blue, bfoad-belled; C. nobilis, 12 ft., long-belled, whitish or tinted with chocolate; C. persicifolia, 2 ft., a fine border plant, single or double, white or purple, blooming in July; and C. pyramidalis, 6 ft., blue or white, in tall branching spikes, are good and diverse.
They walked for two hours without running into any tunnels branching off from the main one.
The Alleghany Plateau consists of nearly horizontal beds of limestone, sandstone and shales, including important seams of coal; inclines slightly toward the north-west, and is intricately dissected by extensively branching streams into a maze of narrow canyons and steep-sided hills.
To overcome these difficulties the " branching multiple " was introduced.
Budding from the hydrocaulus may be combined with budding from the hydrorhiza, so that numer ous branching colonies arise from a common basal stolon.
