EEICACE^. (heath FAMILY.) 257 



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

 leaves 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. ERICACE^. (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 free 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. 



Synapsis. 



Suborder I. VACCINIE^. Calyx-tube adherent to the ovarj-. 

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

 berry. — Shrubs. Corolla monopetalous. 



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



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



seeded. 



Suborder II. ERICINE.3;. Calyx free from the ovary. Corolla 

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



TKmE I. A]VDR0ME:DX:.X:. — Capeule loculicidally dehiscent. 

 m Anther-cells opening lengthwise. Corolla monopetalous. 



3. EPIQ.EA. Corolla salver-shaped. Leaves cordate. 



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



4. GAULTHERIA. Calyx becoming berry-like in fruit. Authors 4-awned at tl^e apex. 



5. LEUCOTHOiS. 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 B-valved, the inner 10-valved. 



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



8. OXYDENDIIUM. Calyx valvate in the bud. Capsule pyramidal. Seeds ascending. 



if # * Anthers inverted in the bud, opening by terminal pores. Corolla 5-petalous. 



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



Teube II. RHODORE.^. — Capsule septicidally dehiscent. 

 # Corolla monopetalous. 



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



11. MENZIESIA. Corolla (small) ovoid, 4-toothed Stamens 8, included. 



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



exserted. 



* * Corolla of 5 or 7 separate petals. 



13. LEIOPHYLLUM. Corolla 5-petalouB. Anthers opening lengthwise. 



14. BEJARIA. Corolla 7-petalous. Anthers opening at the apex. 



22* 



