82 SAXIFRAGACEAE. 



1. Leaves small (scarcely 4 cm. long). 2. 

 Leaves mostly large (over 5 cm. long). 3. 



2. Leaves pubescent. P. hirsutus. 

 Leaves glabrate. P. brachybotrys. 



3. Bark distinctly and early flaking away. 4. 



Bark tardily flaking: flowers scarcely fragrant, n. 



4. Flowers very fragrant. 5. 



Flowers not, or little, fragrant, white. 9. 



5. Flowers creamy. (P. coronarius). 6. 

 Flowers white. (X P. Lemoinei). 8. 



6. Leaves green. 7. 



Leaves yellow. P. coronarius aureus. 



Leaves pale-margined. P. coronarius argenteo-marginatus. 



7. Flowers single. P. coronarius. 

 Flowers double. P. coronarius flore plena. 



8. Flowers single. X P. Lemoinei. 

 Flowers double P. Lemoinei flore plena. 



9. Flowers 1-5 on a shoot. (P. inodorus). 10. 



Flowers 5-9 on a shoot. X P. Zeyheri. 



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. (P. pubescens). 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 ; opposite or some- 

 times 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 stellate pubescent on both faces. 7. 



2. Flowers in racemes, white. 3. 

 Flowers panicled. 4. 



