ERICACEAE. (IIKATI1 FAMILY.) 257 



1. S. perfoliata, A DC. Pubescent; stem angled, simple or branched; 

 loaves round-cordate, crenate, clasping; the lowest narrowed at the base ; flowers 

 single or clustered, sessile, the lower ones apetalous. (Campanula, L.) — Fields, 

 Florida to Mississippi, and northward. May- Aug. — Stem 1° high. 



Order 76. ERICACEAE. (Heath Family.) 



Shrubs or small trees, rarely herbs, with undivided alternate ex- 

 stipulate leaves, and regular flowers. — Calyx 4 - 5-parted. Corolla 

 4-5-parted or toothed, or 4 - 5-petalous, imbricated in the bud. Sta- 

 mens tree from the corolla, and as many or twice as many as its divisions : 

 anthers 2-celled, often variously awned, opening commonly by terminal 

 pores. Style 1: stigma entire or 3-lobed. Fruit 3 - 10-celled. Seeds 

 anatropous, attached to a central placenta. Embryo small, in fleshy 

 albumen. 



Synopsis. 



Suborder I. VACCINIEJE. Calyx-tube adherent to the ovary. 

 Corolla superior. Anther-cells prolonged into a slender tube. Fruit a 

 berry. — Shrubs. Corolla monopetalous. 



1. GAYLUSSACIA. Berry 8 - 10-celled ; the cells 1 -seeded. Anthers awnless. 



2. VACCINIUM. Berry 4-5-celled, or partially 8 - 10-celled by false partitions, many- 



seeded. 



Suborder II. ERICINEJE. Calyx free from the ovary. Corolla 

 hypogynous. Fruit a capsule. — Shrubs or small trees. 



Tribe I. ASDROMEDE.E. — Capsule loculicidally dehiscent. 

 * Anther-cells opening lengthwise. Corolla monopetalous. 



3. EPIGJ2A. Corolla salver-shaped. Leaves cordate. 



* * Anther-cells opening at the apex. Corolla monopetalous 



4. GAULTIIERlA- Calyx becoming berry -like in fruit. Anthers 4-awned at the apex. 



5. LEUCOTHOE. Calyx imbricated in the bud. Valves of the capsule entire. 



6. CASSANDRA. Calyx imbricated in the bud. Pericarp separating into two layers ; the 



outer one 5 valved, the inner 10 valved. 



7. ANDROMEDA. Calyx valvate in the early bud. Capsule globular. Seeds pendulous. 

 B, OXYDENDRUM. Calyx valvate in the bud. Capsule pyramidal. Seeds ascending. 



* * * Anthers inverted in the bud, opening by terminal pore=. Corolla 5-jietalous. 

 9. CLETHRA. Stamens 10. Style 3-cleft. Capsule 3-celled, 3-valved. 



Tribe II. RHODOREJE. — Capsule septicidally dehiscent. 

 * Corolla monopetalous. 

 10 KALMIA. Corolla wheel-shaped, with 10 cavities in which the anthers are lodged. 



11. MKNZIESIA. Corolla (small) ovoid, 4 toothed Stamens 8, include!. 



12. RHODODENDRON. Corolla (large) furjnel or bell-shaped, 5-lobed. Stamens 5 or 10, 



rted. 



* * Corolla of 5 or 7 separate petals. 



13. LEIOPHYLLUM. Corolla 5-petalous. Anthersopeningleiigthwi.se. 



14. BEJARIA. Corolla 7 i«t;ilous. Anthers opening at the apex. 



22* 



