430 ERICACEiE. Arctostaphylos. 



Suborder I. ERICINEtE. 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. ARBUTEjE. Fruit indehiscent, baccate. Corolla deciduous. 



1. Arctostaphtlos. Cells of the drupaceous berry 1-seeded. 



Tribe 2. ANDROMEDE^. Fruit capsular, loculicidally dehiscent. 



2. Clethha. Calyx 5-parted. Petals 5, distinct nearly to the base. Stamens 10. Stigma 3-cleft. Capsule 3.cellcd, 



3-valved. 



3. Epig;ea. Calyx deeply 5-parted. Corolla 5-clcft, salver-form. Stamens 10 : anthers opening longitudinally. 



Capsule 5-celled. 



4. Gautiera. 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-Iobed, not becoming baccate. Corolla ovoid, cylindrical-oblong or somewhat 



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



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



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



Stamens 5 - 10. 



7. Kalmia. Calyx 5-parted. Corolla salver-form ; the border with ten protuberances, in the cavities of wbich 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. 4327. BEAR grape. 



Species of Arbutus, Linn, 

 [ From the Greek, arktos, a. bear, and staphyle, 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-herry. 



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. l.p. 395 ; Engl. bot. f. 714 ; Michx.fl. 1. p. 249 ; Pursh,fi. \.p. 283 ; 

 Bigel. fl. Bast. p. 165, and med. bot. t. 6 ; Torr. fl. 1. p. 411 ; Becli, bot. p. 216 ; Hook, 

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



