GKNERAL CA TA LOG UE. 
95 
Spireea Thunbergrii. Til UN berg’s Spiraea. I>. Of dwarf habit and rounded, graceful form; branches slender 
and somewhat drooping; foliage narrow and yellowish green; flowers small, white, appearing early in 
spring, being one of the first Spineas to flower. Esteemed on account of its neat, graceful habit. Forces 
well in winter. 35c. 
S. trilobata. Three-lobed Sput.fiA. 1). A vigorous grower. Three-lobed leaves; white flowers. 35c. 
S. ulmifolia. Ei.m-lkaved Spiraea. D. Leaves somewhat, resembling those of the elm, and large, round 
clusters of white flowers in June. (See cut.) 35c. 
S. Van Houttei. I>. Without doubt the finest variety in the collection. At the floweriug season in early June the 
plant is covered with a mass of large, white flowers, presenting a beautiful appearance. Hardy. (See cut.) 35c. 
Spiraea Van Houttei. (Reduced.) 
The Spiraeas flower in the following order, from the middle of May to the middle of August: (1.) Aryuta » 
prunifolia fl. ph, Thunbergii. (2.) Niconderti , tenissima. (3.) chaYticedrifolia. (4.) Van Houttei, cratcegifolia, lanceolata, 
lanceolala fl. pi., lanceolata robusta. (5.) ulmifolia. (6.) ojndifolia aurea, crcnata. (7.) Fontenaysii, salicifalia, snrbi- 
folia. (8.) Billarxli. (9.) aiiwfolia. (10.) calUtsa, callosa alba, callom rnpcrha, species japonica. 
