ORDER 73. HEATHWORTS. 249 



O. procnm'bens. Common Checkerberry, or Wintergreen. Branches ascending 3' 

 from the prostrate, slender root-stock, which is usually concealed. Leaves 

 obovate, and few nodding flowers, all clustered at top of the stem, and spicy in 

 flavor. Berries scarlet. Flowers in Summer, white. 



4. K A I/MI A. Calico-bush. Mountain Laurel. 



Calyx 5-parted. Corolla with 10 prominences beneath, and 10 corre- 

 sponding pits within, holding the 10 anthers. Filaments recurved. Bor- 

 der with 5 shallow lobes. Capsule 5-celled, many-seeded. Beautifiu 

 shrubs, with entire, evergreen, leathery leaves. Flowers white and red. 

 in racemed corymbs. May-June. 



1 Flowers in terminal corymbs. Leaves smooth, thick.. ..2, 3 



1 Flowers in lateral corymbs. Leaves rusty or downy beneath. . . .4, 5 



1 K. hirsu'ta. Hairy L. Flowers axillary, solitary, stalked, red. Plant hairy. 



Leaves mostly scattered, acute, sessile. l-2f. S. 



2 K. latifo'lia. Great L. Leaves scattered, green both sides. Corymbs large, rose- 

 white, numerous and very showy. 3-20f. 



8 K. glau'ca. Polished L. Leaves opposite, glaucous-white beneath, revolute oil 

 the margin. Corymbs small, lilac. 2-3f. 



4 K. cunea'ta. Wedge-leaved L. Leaves scattered, wedge-oblong. Corymbs 



small, roseate, each of 4-fi flowers. Plant 3-5f. S. 



5 K. angustifo'lia. Sfiec-p-poison. Leaves opposite and in 3's, blunt at each cud. 



Corymbs small, deep purple. 3-4f. 



5. EPIGJS'A. May flower. 



Calyx large, 5-parted, with 3 bracts at base. Corolla salver-form, tuSe 

 hairy within, limb of 5 spreading lobes. Stamens 10. Anthers open bj 

 slits. Capsule 5-celled, 5-valved. Little trailing shrubs. 



E. repens Trailing Arbutus. Leaves cordate-ovate, entire. Corolla tube cyliu- 

 drical. Stems slender, flat on the ground, 10-15' long. Leaves evergreen, 

 rounded at the end, 2' or more long. Flowers tinged with red, very fragrant. 

 April, May. ^ 



6. AZA'LEA. Azalea. 



Calyx small, 5-parted. Corolla funnel-form, somewhat irregular, with 

 5 spreading lobes. Stamens 5, and, with the 1 style, long exserted, 

 curved toward the lower side, Anthers open by pores. Capsule 5-celled, 

 5-valved. Erect shrubs. Leaves alternate, deciduous, entire. Flower? 

 large, showy, fragrant, clustered. Aprils-July. 

 1 * 



