ERlCACi:.K. (lIEATU FAMILY.) 257 



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

 leaves round-cordate, crenatc, clasping ; the lowest narrowed at the l)ase ; flowers 

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

 Florida to Alississippi, and northward. May - Aug. — Stem 1° liigli. 



Ordeu 7G. ERICACE^. (Heath Family.) 



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

 stipulate leaves, and regular flowers. — Calyx 4 - .'i-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 : 

 anthei-s 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 

 albumeu. 



Synopsis. 



Suborder I. VACCINIE-S). Calyx-tube adherent to the ovary. 

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

 berry. — Shrubs. Corolla mouopetalous. 



1. GATLUSSACIA. 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. ANDROMEDE.E. — Capsule locuUeidally dehiscent. 

 * Anther-cells opening lengthwise. Corolla monopetalous. '■• 



3. EPIGJi;.\. Corolla salver-shaped. Leaves cordate. 



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



4. G.^ULTHEUIA- Calyx becoming berry-like in fruit. Anthers 4-a\vned at the apex. 

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



6. CAS.S.\.NDRA. Calyx imbricated in the bud. Pericarp separating into two layers ; the 



outer one 5-valved, the inner 10 valved. 



7. ANDR0MED.\. Calyx valvate in the early bud. Capsule globular. Seeds pendulous. 



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



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



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



Trhje II. RHODORKiE. — 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. RUODODENDROX. Corolla (large) funnel or bell-shaped, 5-lobed. Stamens 5 or 10, 



exserted. 



• * Corolla of 5 or 7 separate petals. 



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



14. BEJARIA. Corolla 7-petalou3. Anthers opening at the apes. 



22* 



