SORBARIA 



159 



- Ninebark, 



Fig. 237. — Golden Ninebark. 



tivation, but there is a taller and more 

 vigorous species from eastern Asia, ^-'^jSl^fji 

 Eastern Ninebark — Physooarpus '^^^t^, 

 amur^nsis, — whicli can be known by its ®!^^*S§ 

 smaller and more hairy pods only one W^sTH , 

 .third longer than the calyx lobes ; the '-Jf?^"/ Mp" 

 leaves, also, are more decidedly lobed 

 and more sharply notched. 



[Twig cuttings ; seeds.] 



Sorbaria. The Ash-leaved 

 Spireas are beautiful hardy 

 shrubs with pinnate or bipin- 

 nate leaves and spirea^llke white 

 flowers in showy terminal pan- 

 icles. Except the last species 

 they all prefer rich and rather 

 moist sou. They put out their 

 foliage early in the season. 



[Twig cuttings ; root out- 

 tings ; suckers ; seeds.] 



Fig. 238.— 



Mountain-ash 



Spirea. 



