422 ORDER LXXII. ERICACEAE. 



as the stamens. Style persistent. Capsule globular. — White. ^ . 

 June — July. Southern Geo. 3 — 4 feet. 



Genus XIII— AZALEA. L. 5—1. 

 (From azaleos, arid ; inappropriate to our species.) 



Calyx small, 5-parted. Corolla campanulate, with somewhat 

 unequal segments. Stamens 5, inserted on the receptacle. 

 Style 1, straight. Capsule 5-celled, 5-valved, dehiscing at the 

 summit. 



1. calendula'cea, (Mich.) A small shrub. Leaves ovate, pubescent 

 on both sides. Flowers in clusters, large, not viscid ; teeth of the calyx 

 oblong. Corolla with rather a short tube. Flowers vary in color from 

 deep red variegated with yellow to bright yellow and rose-colored, all 

 of which are often found growing near each other. — ^ . April — June. 

 Abundant near Culloden, Geo. 2 — 6 feet. 



2. A. canes'cens, (Mich.) A small shnib. Leaves obovate, pubes- 

 cent above, tomentose beneath. Flowers not viscid, rather naked ; teeth 

 of the calyx short, rounded. — Rose-color. ^ . April — May. Lower 

 Car. and Geo. 3 — 1 feet. 



3. A. bico'lor, (Pursh.) A small shrub, with the young branches 

 hairy, hispid. Leaves oblong, hairy on both sides. Flowers small, na- 

 ked, not viscid. Calyx very short, with one long narrow segment. 

 Stamens longer than the tube. — Nearly white, with red tube. 2f. 

 May — June. Sandy hills, Car. and Geo. 2 — 3 feet. 



4. A. nudiflo'ra, (L.) A small shrub, producing many stems from 

 the root. Stem branching toward the summit, young branches pubes- 

 cent. Leaves pubescent, lanceolate-oblong, the veins beneath bristly, 

 alternate, crowded toward the summit, margins of under surface pubes- 

 cent. Flowers in terminal racemes ; tube of the corolla pubescent, vis- 

 cid ; segments of the border unequal, filaments longer than the corolla. 

 Capsule hairy. A very variable plant, from which has arisen numer- 

 ous varieties, but the preceding description, we believe, will include all 

 the essential characteristics. — White, pale red, deep red, scarlet, and 

 yellow. ^ . March — May. Common. 



5. A. visco'sa, (Walt.) A small shrub, with young hispid branches. 

 Leaves lanceolate, oval, or obovate, with scabrous margins ; nerves of 

 the leaves hispid. Flowers in terminal racemes. Calyx minute. Co- 

 rolla hispid and viscid. Stamens hardly as long as the corolla. Style 

 longer than the stamens. — White or red. *> . May — July. Damp soils. 

 3—6 feet. 



Genus XIV.— PYRO'LA. 10—1. 

 (Origin of the name uncertain.) 



Calyx minute, 5-parted. Stamens 10, slightly united at the 

 base. Anthers opening by 2 pores at the base. Corolla rotate, 

 5-lobed. Capsule 5-celled. Seeds aril led. 



1. P. rotundifo'lia, (Mich.) A small, creeping plant. Leaves nearly 

 round, entire or crenulate, coriaceous, perennial. Flowers in spikes; 

 scape triquetrous, many-flowered ; segments of the calyx lanceolate, 

 acute. — White. 1(. July. Sandy soils. Near Macon, Geo. 



Round-leaved Wintergreen. 



