G EX ERA L CA TA LOG UE. 



95 



Spirjea Thunbergii. Thunberg's SpiR^A. D. Of dwarf habit aud rounded, graceful form ; branches slender 

 and somewhat drooping^ ; foliage narrow and yellowish g-reen ; flowers small, white, a7-»i>earing early in 

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

 well in winter. 3-5c. 



>. trilobata. Threz-lobed SpiR-EA. D. A vigorous g-rower. Three-lobed leaves ; white flowers. 35c. 



.S. ulmifolia. Elm-eeaved Spir^.a. D. Leaves somewhat resembling those of the elm, and large, round 

 clusters of white flowers in June. (See cut.) 35c. 



S. Van Houttei. 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 appearanc-e. Hardy, (See cut.; 35c. 



%^^ 



■£c- 



Spir^ia Van Houttei. f Reduced.) 



The Spiraeas flower in the following order, from the middle of May to the middle of August : iD Arguta, 

 pi-UJiifolia fl. pL, Thunhergii. (2.) Xicorulerti, tenissima. (3.) chamoedri folia. (4.) Van Houttei, cratctgifoUa, lanceolata, 

 lanceolaia fl. pZ., lanceolata rohmta. (5.) ulmifolia. (6.) opulifolia aurea, crenata. (7.) Fontenaysii^ salicifoliaj sorbi- 

 folia. (8.) Billardi. (9.) aricefolia. (10.) caTlosa, callosa alha, callosa stiperha, species japo7iica. 



