214 ERICACEAE. 



to the segments of the corolla, or twice as many. Ovary many- 

 celled ; style 1. Fruit capsular, baccate or drupaceous. Seeds 

 indefinite, minute ; embryo in the axis of fleshy albumen. 

 Shrubs or under shrubs. Leaves evergreen, rigid, without 

 stipules. 



1. ARCTOSTAPHYLOS. Adans. Bear Grape. 



(From the Greek apKros, a bear, and jrapAj?, a grape.) 



Calyx 5- parted, persistent. Corolla ovate-urceolate ; the ori- 

 fice 5 -toothed, re volute. Stamens 10, included. Anthers com- 

 pressed, with two pores at the summit, laterally 2-awned, the 

 awns reflexed. Berry drupaceous, globose, mostly 5-celled; 

 cells 1 -seeded. 



1. A. Uva-ursi Spreng.: procumbent, smooth; leaves petioled, cuneate- 

 obovate, very entire, coriaceous, shining ; flowers in small terminal racemes; 

 fruit smooth. Arbutus Uva-ursi Linn. 



On mountains and in sandy soils. Subarct. Amer. to N. Y. W. to Rocky 

 Mountains. April, May. r^. A trailing evergreen. Stems numerous and 

 s-preading. Leaves thick and rigid, less than an inch long. Flowers drooping, 

 pale-Ted. Berry small, red. The leaves are astringent and medicinal. See 

 Big. Med. Bot. i. 66. Bear Berry. 



2. A. alpina Spreng.: procumbent; leaves membranaceous, deciduous, 

 obovate, acute, serrate, ciliate when young ; bracteoles broad-ovate, ciliate, 

 about as long as the pedicels. 



White Mountains, N. H. ; rare. Gray fy Tuckermann. May. ? h-- Stem 

 trailing. Leaves tapering into a short petiole, becoming red in the autumn. 

 Flowers white or very pale rose-color. Berry black. Alpine Arbutus. 



2. GAULTHERIA. Linn. Partridge Berry. 



(In honor of M. Gautier, a French physician of Quebec. The original name 

 of Kalm, seems to have been Gautiera.) 



Calyx 5-lobed, bi-bracteate at base. Corolla ovate, the ori- 

 fice 5-toothed. Stamens 10, with the filaments hirsute. An- 

 thers two-horned at the summit. Capsule 5-celled, invested by 

 the calyx 'which becomes a berry . 



G. procumbent Linn. : stem procumbent, with the branches erect ; 

 leaves obovate, wedgeform at the base, ciliate-denticulate ; flowers few, 

 subterininal, nodding. 



Dry woods. Can. to Virg. W. to Ohio. May July. T^. Stem creeping ; 

 branches ascending, 4 6 inches high. Leaves evergreen and sliining. Flowers 

 axillary, white. Fruit having the appearance of a bright scarlet berry. 



Partridge Berry. Spicy Wintergreen. 



3. OXYDENDRUM. D. C. Sorrel Tree. 



(From the Greek ovj, an acid, and SsvSpov, a tree ; on account of the sour taste 

 cf its leaves.) 



Calyx 5-parted, the lobes acuminate. Corolla ovate, 5 



