204 



ROSACE AE (ROSE FAMILY) 



their woody roots into the soil they require to be grubbed out. 

 Seeding may be prevented and root-growth checked by close 

 cutting in the hot "wood-sere" days of July and early August 



FIG. 146. Willow- 

 leaved Meadow-sweet 

 (Spircea sdlicifolid). 



xi 



WILLOW-LEAVED MEADOW-SWEET 

 Spircea salicifdlia, L. 



Native. Perennial. Propagates by seeds. 

 Time of bloom: June to August. 

 Seed-time: August to October. 

 Range: Newfoundland to the Rocky Moun- 

 tains, southward to Georgia and Missouri. 

 Habitat: Moist meadows and swamps. 



Stems erect, slender, two to five feet tall, 

 with smooth, yellowish brown bark; these 

 stems are very tough and troublesome to 

 mowing knives and scythes. Leaves firm, 

 light green, smooth, or nearly so, lance-shaped, 

 usually obtuse at apex, finely toothed, tapering 

 at base to a short petiole. Flowers in large 

 terminal panicles somewhat more narrow and 

 pyramidal than in the preceding species, the 

 five white petals of the small blossoms nearly 

 round; pedicels and calyx finely downy. 

 The five tiny follicles smooth, two- to four- 

 seeded. (Fig. 146.) 



Means of control the same as for S. latifolia. 



HARDBACK 



Spircea tomentbsa 



Other English names: Steeple-bush, Woolly 



Meadow-sweet. 

 Native. Perennial. Propagates by seeds. 

 Time of bloom: June to August. 

 Seed-time: August to October. 

 Range: Nova Scotia to Manitoba, southward to Georgia and 



Kansas. 

 Habitat: Moist meadows and swamps. 



