ERICACEAE 881 



pels. Ovary 2-6-celled. Styles united. Stigmas capitate or peltate. Ovules 

 usually numerous, anatropous. Fruit a capsule, or sometimes baccate or drupa- 

 ceous. Seeds numerous or sometimes solitary in each cavity. Endosperm fleshy. 

 Embryo central. 



Capsule opening septicidally, naked. 

 Corolla of 3-7 distinct petals. 



Anther-sacs opening at the apex : petals 6-7. 1. BEJARIA. 



Anther-sacs opening lengthwise : petals 3-5. 



Petals 3-4. 2. ELLIOTTIA. 



Petals 5. 3. DENDRIUM. 



Corolla of several united petals. 



Corolla funnelform, limb 2-lipped. 4. AZALEA. 



Corolla campanulate, urn-shaped or saucer-shaped. 

 Corolla without sacs for the anthers. 



Corolla campanulate or rotate-campanulate. 



Upper corolla-lobe exterior : sepals minute or obsolete : leaves 



deciduous ; blades membranous. 5. BILTIA. 



Upper corolla-lobe interior : sepals prominent : leaves persistent ; 



blades leathery. 6. RHODODENDRON. 



Corolla urn-shaped. 7. MENZIESIA. 



Corolla with 10 sacs for the anthers. 



Sepals persistent : capsule spheroidal : corolla-lobes rounded. 8. KALMIA. 



Sepals deciduous : capsule ovoid : corolla-lobes acute. 9. KALMIELLA. 



Capsule opening loculicidally, sometimes enclosed in the berry-like hypanthium. 

 Calyx and hypanthium neither accrescent nor enclosing the capsule like a 



berry. 



Anther-sacs opening by terminal pores or chinks. 

 Sepals imbricate, at least in the bud. 



Capsule opening by a single layer of 5 valves. 10. LEUCOTHOE. 



Capsule opening by 2 layers, the outer 5-valved, the inner 10-valved. 11. CHAMAEDAPHNEV 

 Sepals valvate or separated even in the bud. 

 Anthers or filaments 2-awned on the back. 



Corolla campanulate : sepals manifestly united. 12. ZENOBIA. 



Corolla urn-shaped or cylindraceous : sepals distinct. 13. PIERIS. 



Anthers and filaments awnless. 14. XOLISMA. 



Anther-sacs opening lengthwise. 



Corolla contracted at the throat : upright shrubs or trees. 15. OXYDENDRON. 



Corolla dilated at the throat : creeping, shrubby plants. 16. EPIGAEA. 



Calyx and hypanthium accrescent, enclosing the capsule like a berry. 17. GAULTHERIA. 



1. BEJARIA Mutis. 



Evergreen shrubs, with branching stems. Leaves alternate : blades entire, leathery. 

 Flowers perfect, in terminal racemes or corymbs. Calyx often glutinous : sepals 6-7. 

 Corolla white, yellow or red : petals 6-7, spreading, or ascending, somewhat unequal, 

 imbricated. Stamens 12-14. Filaments filiform, somewhat declined. Anthers versatile, 

 opening by terminal pores. Ovary 6-7-celled. Stigma 6-7-lobed, or nearly entire. 

 Ovules numerous. Capsule depressed, 6-7-lobed, septicidally 6-7-valved. 



1. Bejaria racemosa Vent. An evergreen shrub 1-2 m. tall, with sparingly hispid 

 branches. Leaf-blades oblong to oval or sometimes broadest above the middle, glabrous, 

 usually lustrous above, acute or obtuse at the apex, short-petioled : racemes terminal, 1-2 

 dm. long, simple or compound, with bracts 5-12 mm. long : pedicels 1-1.5 cm. long : 

 calyx 5-6 mm. broad : sepals about 7, triangular or rounded : corolla white, glutinous ; 

 lobes linear-spatulate, 2-2.5 cm. long, spreading: capsules 6-8 mm. broad, depressed, 7- 

 lobed, 7-celled. 



In sandy soil, southeastern Georgia and Florida. Spring and summer. 



2. ELLIOTTIA Muhl. 



Shrubs, with erect branching stems and glabrous foliage. Leaves alternate : blades 

 entire, with alternate nerves. Flowers perfect, in terminal racemes or panicles. Sepals 

 3-5, often 4. Corolla white or pink : petals elongated, unequal, imbricated. Stamen 

 4-10. Filaments flattened. Anthers sagittate, opening lengthwise. Ovary 3-5-celled, 

 curved or declined. Stigma minutely lobed. Ovules variable in number. Capsule 3-5- 

 lobed, septicidally 3-5-valved. 



1. Elliottia racemosa Muhl. A glabrous shrub 1-3 m. tall. Leaf-blades firm, 

 oblong, elliptic or oblong-oblanceolate, 4-12 cm. long, acuminate at both ends and bristle- 

 pointed, more or less glaucous beneath, short-petioled : racemes narrow, 1-4 dm. long, 

 simple or compound : pedicels 8-20 mm. long : calyx 3-3.5 mm. broad : sepals broadly 

 triangular : petals linear-oblong, about 1 cm. long, more or less strongly recurved. 



On sand hills, eastern Georgia and adjacent South Carolina. Spring. 

 56 



