SAXIFBAGACEAE 47 



10. Flowers and leaves rather small. P. inodorus. 



Flowers (50 mm.) and leaves large. P. inodorus grandiflorus. 



11. Bark brown: calyx glabrous. P. Lewisii. 

 Bark gray; calyx pubescent. 12. 



12. Flowers single. P. pubescens. 

 Flowers double. P. pubescens flore plena. 



DEUTZIA. 



Deciduous shrubs, sometimes small, with monopodial 

 branches with roundish pale spongy or excavated pith; oppo- 

 site or sometimes whorled moderately small buds with several 

 exposed scales; low crescent-shaped leaf-scars with 3 bundle- 

 traces; ovate or lanceolate serrate simple leaves; rather small 

 but showy white or rosy-tinted perfect polypetalous flowers in 

 small panicles; and several-celled small capsules with minute 

 seeds. 



1. Leaves glabrate beneath: sepals persistent. 2. 



Leaves rough-stellate on both faces: pith brown, exca- 

 vated. 8. 



2. Flowers in racemes, white. 3. 

 Flowers panicled. 4. 



3. Leaves green. D. gracilis. 

 Leaves yellow. D. gracilis aurea. 

 Leaves white-dotted. D. gracilis albo-marmorata. 



4. Leaves 1 scarcely 5 cm. long: buds triangular-oblong. 5. 

 Leaves one-half larger: buds ovoid. X D. Lemoinei. 



5. Flowers white. D. rosea multiflora. 

 Flowers more or less rosy. 6. 



6. Flowers carmine on the outside. D. rosea carmlnea. 

 Flowers pinkish. 7. 



7. Colored within and without. D. rosea. 

 White within. D. rosea eximia. 



8. Leaves green. 9. 



Leaves white-bloched or dotted. 12. 



9. Flowers white. 10. 

 Flowers rosy without. 11. 



10. Flowers single. D. scabra. 



Flowers double. D. scabra candidissima. 



