GENERAL CATALOGUE. 



95 



Spiraea Thunbergii. TuuNBERG's SpiRjBA. D. Of divarf habit and rouuded, graceful form ; braaelies slender 

 and some'A hilt drooping-; foliag-e narrow and yellowish green; flowers small, white, appearing early in 

 spring, being one of the firet Spiraeas to flower. Esteemed on account of its neat, graceful habit. Forces 

 well in winter. 35c. 



S. trilobata. Thbee-l,Obed PPIRJEA. D. A vigorous grower. Three-lobed leaves; white flowers. 3oc. 



S. ulmifolia. Elm-I-EAVEB Spir-siA.. D. Leax es somewhat resembling those of the elm, and large, round 



clusters of white flowers in June. (See cut.) 3.5c. 

 S. "Van Hoiittei. D. Without doubt the finest variety in the collection. At the flowering' season in early June the 



plant is covered with a mass of large, white flowers, presenting a beautiful appearance. Hardy. (See cut.) 35c. 



SprB.a!A Van HotmEi. (Reduced.) 



The SpiR.a;AS flower in the following- order, from the middle of May to the middle of Avigust : (1.) A.rgutai 

 pnmifolia fl. pi., Thunhercjii. (2.) Niconderti, tenissima. (3.) chamcBdrifolia. (4.) Van Houttei, cratccgifulia, lanceulata, 

 lanceolala fl. pi., lanceolata 7'obiusta. (5.) tdmifolia. (6.) opulifolia aurea, crenata. (7.) Fontenaysii, salieifolia, sorbi- 

 folia. (S.) Billardi. (9.) aricefolia. (10.) caJtosa, caJtoso alba, caZlosa swperiba, species jOfponica. 



