120 ERICACEAE 



2. Over 30 cm. high; branches rather ascending. C. calyculata. 

 Scarcely 30 cm. high: branches horizontal. C. calyculata nana. 



ENKIANTHTJS. 



Deciduous shrubs with rather slender terete twigs swollen 

 and leafy at tip; somewhat angled brownish continuous pith; 

 alternate crescent-shaped small little-raised leaf-scars with a 

 single bundle-trace; no stipule-scars; ovoid scaly terminal 

 buds; moderately small obovate-oblanceolate petioled entire or 

 serrulate leaves; rather small bell- or cup-shaped gamopetalous 

 perfect flowers in terminal racemes; and small oblong capsules 

 erect on long slender drooping pedicels. 



Flowers white: pedicels glabrous. E. perulatus. 



Flowers red: pedicels loosely hairy. E. campanulatus. 



OXYDENDRUM. SourWOOd. 



Deciduous small trees with rather soft wood with numer 

 ous small diffused ducts and fine medullary rays; rather slen- 

 der rounded or 3-sided twigs; roundish continuous pale pith; 

 alternate somewhat raised half-round leaf-scars with a single 

 large bundle-trace; no stipule-scars; roundish buds with about 

 3 exposed scales; moderate petioled entire or serrulate acid 

 leaves; perfect small urn-shaped white gamopetalous flowers, 

 one-sided on the branches of loose terminal panicles; and 

 small oblong many-seeded capsules erect on the pedicels. 

 Leaves lanceolate, acuminate. O. arboreum. 



EPIGAEA. Trailing Arbutus. 



Evergreen small trailing half-shrubs with rather flaking 

 bark; moderately slender brown bristly terete twigs; roundish 

 spongy pith; alternate moderate-sized firm somewhat revolute 

 entire leaves on bristly stalks; more or less imperfect rela- 

 tively large fragrant pinkish funnel-shaped gamopetalous 

 flowers crowded at the ends of the shoots; and round many- 

 seeded capsules infrequently seen. 

 Leaves elliptical or ovate, often cordate. ( Mayflower ).E.repens 



