ROSACEAE 59 



PHOTINIA. 



Deciduous shrubs with hard wood with minute diffused 

 ducts and fine medullary rays; rather slender roundish twigs; 

 crenate continuous pith; alternate somewhat raised transverse 

 or crescent-shaped leaf : scars with 3 bundle-traces; no stipule- 

 scars; sessile ovoid pointed buds with several exposed scales; 

 rather small finely serrate short-petioled lance-oblong leaves; 

 small perfect polypetalous epigynous white flowers in corymb- 

 like clusters terminating the spurs; and 1- to 2-seeded some- 

 what elongated small red pomes bearing the sepals somewhat 

 below the top, the fruit-stalks with very large lenticels. 

 Leaves pubescent beneath. P. villosa. 



Leaves glabrescent. P. villosa laevis. 



COTONEASTER. 



Mostly deciduous shrubs with hard light brown wood with 

 minute diffused ducts and fine medullary rays; slender round- 

 ed twigs; angular homogeneous small pale pith; alternate 

 somewhat raised small transverse leaf-scars with 1 or 3 bun- 

 dle-traces; narrow stipule-scars or persistent stipules; solitary 

 oblong sessile buds with about 4 exposed scales; simple entire 

 stalked leaves; small perfect epigynous flowers in terminal 

 corymbs; and small berry-like pomes with incurved sepals. 



1. Leaves very small (1cm.): evergreen: prostrate. 2. 

 Leaves distinctly larger. 3. 



2. Green and glabrate. C. Dammeri. 

 White-pubescent beneath. C. microphylla. 



3. Leaves 1.5-3 cm. long: fruit red or orange. 4. 

 Leaves 3-4 cm. long, usually tomentose beneath. 9. 

 Leaves 4-7 cm. long: fruit black. C. foveolata. 

 Leaves 6-10 cm. long: fruit red. C. bullata. 



4. Leaves half-evergreen. C. Simonsii. 

 Leaves promptly deciduous. 5. 



5. Fruit orange. C. Franchetii. 

 Fruit red. 6. 



6. Fruit oblong, 10 mm. long. C. divaricata. 

 Fruit subglobose. 7. 



