30-2 



ARBORETUM ET FRUTICETUM BRITANNICUM. 



dentately serrate. Flowers in corymbs. (Dec. Prod.) 

 A slender-branched shrub. Native country unknown. 

 Height 4 ft. to 6 ft. Cultivated in 1820. Flowers 

 white ; June and July. Capsule reddish j ripe in Sep- 

 tember. 



Varieties. S. flexuosa latifolia Hort. ; S. daurica Hort. ; 

 S. ztlmifolia, S. carpinifolia, S. 6etulsef61ia, in Messrs. 

 Loddiges's collection, are identical with, or very slight 

 variations of, this species. 



6. S. (c.) CRATJEGIFO'LIA Lk. 

 The Crataegus-leaved Spiraea. 



Identification. Lk. Enum., 2. p. 40. ; Dec. 



Prod., 2. p. 546. ; Don's Mill., 2. p. 518. 

 Engraving. Our fig. 499. 



Spec. Char., fyc. Leaves obovate, 

 s. s.(c.) fie*u6sa. obtuse ; in the terminal part doubly 



serrate ; glabrous, reticulate on the under surface. 

 Flowers white, disposed in terminal compound corymbs, 

 whose composite parts are rather capitate. (Dec. 

 Prod.) An erect shrub. Native country unknown. 

 Cultivated in 1823. Flowers white ; June and July. 



.500. S. (c.) fietulueftlia. 



North America, on 

 Mountains, and in various other 

 places on the western coast. 

 Height 3 ft. to 6 ft. Introd. in 

 1812. Flowers white ; June and 

 July. Capsule red ; ripe Sept. 



8. S. CA N NA Waldst. et Kit. The 

 hoary-leaved Spiraea. 



Identification. Waldst. et Kit. PL Rar. 



Hung., 3. p. 252. t. 227. ; Carab. Monog. ; 



Dec. Prod., 2. p. 542. ; Don's Mill., 2. p. 518. 

 Engravings. Waldst. et Kit. PI. Rar. Hung., 



3. t. 227. ; andour^.501. 



Spec. Char. fyc. Leaf ovate, 

 of about the size of that 

 of tfalix repens or S. ar- 

 gentea, acute, perfectly 

 entire, or slightly toothed, 

 hoarily villose. Corymbs 

 somewhat racemose ; the 

 lateral ones peduncled, of 

 few flowers, and lax. Se- 

 pals spreading. Styles 

 thick. Carpels divergent, 

 rather villose. (Dec. Prod.) 

 A low shrub. Croatia, 



499. S. (c.) crataegif61ia. 



& 7. S. (c ) #ETULJEFO"LIA Pall. The Birch- 

 leaved Spiraea. 



Identification. Pall. Fl. Ross., 1. p. 75. ; Dec. Prod., 2. p. 544. ; 



Don's Mill., 2. p. 519. 

 Synonymes. ? S. corymbbsa Raf. in Dcsv. Journ. ; ? S. crataegi- 



fblia Lk. Enum. 2. p. 42. 

 Engravings. Pall. Fl. Ross., 1. 1. 16. ; and our fig. 500. 



Spec. Char., fyc. Leaves broadly ovate, serrated, 

 glabrous; the petiole very short. Flowers in 

 fastigiate panicles. Carpels 5, upright, glabrous. 

 {Dec. Prod.) An erect shrub. Siberia; and 

 the Blue 



501. Spirae'a ckna. 



