Order 73.— HEATHWORTS. 



k Flowers 4-partcd, with 8 stamens and a 3-scedcd pod. S. Elliot'tia. 



k Flowers 5-parted, with 5 stamens. Leaves lanceolate, entire. S. Cvryl^la. 



k Flowers 5-parted, with 10 stamens. Lvs. lancool., entire. S. MyLocA''nYUM. 

 m Flowers racemed, many. Perennial, low, smooth, erect. Pyr^ola. 8 



m Flower solitary, one only. Perennial, small. N. r. Moxe'ses. 



m Flowers eorymbed, few. Leaves evergreen, thick. Fipsisshca. Chimaph^ila. 9 



n Corolla polypetalous. Plant white, reddish, &c. Indian Pipe. Monot'ropa.IO 



n Corolla gamopetalous, bell-shaped, in a short spike. S. Schweinit'zia. 



n Corolla gamop., egg-shaped, in a loose rac. Albany Beechdrops. Pteros'pora. 



1. OXYCOC'CUS. Cranberry. 



Calyx superior, 3-cleft. Corolla 4-parted, with lance-linear, reflexed 

 segments. Stamens 8, anthers tubular, 2-parted, opening by oblique 

 pores. Berry globular, 4-celled, many-seeded. — Trailing and very slen- 

 der, with woody stems, alternate, thick, narrow, entire leaves, and acid, 

 eatable fruit. Flowers purplish. June. 



1 O. palus'tris. Bog C. Stems thread-form, trailing. Leaves ovate, 2-4'' long. 



Pedicels terminal, 1-flowered. 



2 O. macrocar'pus. MarTcet G. Stems thread-form, trailing. Leaves oblong, 4-6" 



long. Pedicels axillary, 1-flowered. 



3 O. eryihocar'pus. Bush C. Stems l-3f. high, erect. Leaves oval, pointed, ser- 



rulate. Petals not reflexed at first. S. Mountains. 



2. CHIOG'ENES. Boxberry. 



1 C. hispid'ula. Run7iing B. A little woody creeper, 4 to 6' long, in old woods, 

 northward. Leaves many, small, oval. Flowers white, 4-parted. Berry white. 

 Plant tastes like Checkerberry. (Fig. 5i7.) 



Fig. 547. Boxbci ly, the entire-plant. 



3. GAULTHE'RTA. Checkerberry. 



Calyx 5-cleft, with 2 bractlets at base. Corolla urn-shaped, the limb 

 of 5 short, re volute lobes. Stamens 10. Capsule 5-celled, invested by 

 the calyx, which becomes a pulj)y berry. — Little shrubby or half'-shrubby 

 plants, with alternate, evergrocu leaves. (Figs. 540-543.) 



