aruncus

In the next to the last photo the aruncus dioicus looks like firework sparklers.

Equal Time Mish Mash Monday* « Fairegarden 2010

The flowers in a cut state are quaint and graceful, and the leaves are even more useful; these may be cut with long stalks and stood in vases in twos and threes without any other dressing, or, when desired, a few large flowers may be added for a change, such as a panicle of _Spiræa aruncus_, a large sunflower, or a spike or two of gladioli.

Hardy Perennials and Old Fashioned Flowers Describing the Most Desirable Plants, for Borders, Rockeries, and Shrubberies. John Wood

On the edge of the forest, the following genera, etc. were noticed -- Spiraea bella and S. aruncus, * Berberis asiatica, Swertia, grasses common,

Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries William Griffith