430 ERICACE^. Arctostaphylos. 



Suborder I. ERICINEiE. The Heath Tribe proper. 



Ovary free from the calyx. Fruit capsular, sometimes baccate or drupaceous. 

 Testa closely investing the nucleus of the seed. — Mostly shrubs. Leaves 

 often evergreen. Petals rarely almost or entirely distinct. 



CONSPECTUS OF THE TRIBES AND GENERA. 



Tribe 1. ARBUTE^E. Fruit indehisccnt, baccate. Corolla dcciJuous. 



1. ARCTOSTAPriTLOs. Cells of the drupaceous berry 1-seedcd. 



Tril>e 2. ANDROMEDE^. Fruit capsular, loculicidally dehiscent. 



2. Cletiira. Calyx 5-partcd. Petals 5, distinct nearly to the base. Stamens 10. Stigma 3-cleft. Capsule 3-celled, 



3-valved. 



3. EpiGi]A. Calyx deeply 5-partcd. Corolla 5-cleft, salver-form. Stamens 10 : anthers opening longitudinally. 



Capsule 5-cclled. 



4. Gautieba. Calyx 5-lobed, becoming fleshy and baccate, and covering the 5-celled capsule. Corolla ovoid. Stamens 



10. Capsule 5-valved. 



5. Andromeda. Calyx 5-toothed or 5-lobed, not becoming baccate. Corolla ovoid, cylindrical-oblong or somewhat 



campanulate, 5-cleft. Stamens 10. Capsule 5-celled. 



Tribe 3. RHODORE.E. Fruit capsular, septicidally dehiscent. 



6. Rhododendron. Calyx 5-parted, or 5-toothed. Corolla funnel-form or campanulate, more or less irregular, 5-lohed. 



Stamens 5 — 10. 



7. Kalmia. Calyx 5-parted. Corolla salver-form; the border with ten protuberances, in the cavities of which the 



anthers are lodged. Stamens 10. 



8. Ledum. Calyx 5-toothed. Petals 5, distinct nearly to the base, spreading. Stamens 5- 10: anthers with two 



pores at the summit. 



Tribe I. ARBUTEJE. DC. 



Fruit indehiscent, baccate. Corolla deciduous. — Evergreen shrubs. 



1. ARCTOSTAPHYLOS. Adans. ; Endl. gen. A^21. BEAR GRAPE. 



Species of Arbutus, Linn. 

 [ From the Greek, arktos, a bear, and staphyU, a grape,] 

 Calyx 5-parted. Corolla ovate-urceolate ; the orifice 5-toothed and revolute. Stamens 10, 

 included : anthers with two pores at the summit, laterally 2-awned ; the awns reflexed. 

 Ovary surrounded with 3 fleshy scales. Berry drupaceous, 5-celled ; the cells 1-seeded. — 

 Shrubby plants, with alternate mostly persistent entire or denticulate leaves. Racemes 

 terminal, bracteate. Flowers white or red. Fruit red or black. 



1. Arctostaphylos Uva-ursi, Spreng. Bear-berry. 



Procumbent, smooth ; leaves cuneate-obovate, coriaceous, entire, shining ; flowers in small 

 terminal racemes ; fruit smooth. — Spreng. syst. 2. p. 287 ; DC. prodr. 7. p. 584. Arbutus 

 Uva-ursi, Linn. sp. I. p. 395 ; Engl. hot. t. 714 ; Michx.fl. \.p. 249 ; Pursh,Jl. I. p. 283 ; 

 Bigel. fl. Bast. p. 165, and med. hot. t. 6 ; Torr. Jl.\. p.AW ; Beck, hot. p. 216 ; Hook. 

 Jl. Bor.-Am. 2. p. 37 (^ Arctostaphylos). 



