PLUMBAGINACE&. 255 



clusters, fragrant ; corolla clammy, with viscid hairs ; stamens slightly ex- 

 serted ; style much exserted. In low grounds. Stem 4-8 feet high. June- 

 July, 



8. Kalmia. Calyx 5-parted. Corolla rotate-campanulate, 5-lobed, 

 with 10 cavities inside, in which the anthers are lodged. Capsule glo- 

 bose, 5-celled, many-seeded. Evergreen shrubs. 



1. K. LATIFOLIA (High Laurel}. Leaves oval-lanceolate, smooth; 

 flowers in terminal corymbs, white, shaded with pink ; peduncles clammy- 

 pubescent ; pedicels bracted. In dry thickets, 4-8 feet high. June. 



2. K. ANGUSTIFOLIA (Low Laurel. Sheep Laurel}. Leaves opposite, or 

 in threes, narrow-oblong, light green, paler beneath ; corymbs lateral and 

 axillary ; flowers deep red ; bracts minute, linear lanceolate, 3 at the base of 

 each pedicel. In damp grounds, 2-4 feet high. June- July. 



9. Pyrola. Calyx 5-parted, persistent. Petals 5, concave, decidu- 

 ous. Stamens 10. Filaments subulate. Anthers large, pendulous, 

 opening by 2 pores at apex. Style long. Stigma 5-rayed, 5-tubercled 

 at apex. Capsule 5-celled, 5-valved, many-seeded. 



1. P. ROTUNDIFOLIA (Round-leaved Pyrola}. Leaves orbicular, thick 

 and shining, entire ; scapes 3-angled ; flowers white, large, drooping, fra- 

 grant, in a long, terminal raceme ; petals round-obovate. Woods, 6'-i2' 

 high. July. 



2. P. ELLIPTICA (Oval-leaved Pyrola). Leaves thin, elliptical, smooth, 

 mostly larger than the marginal petioles ; racemes many-flowered ; flowers 

 white, nodding, fragrant ; calyx-teeth ovate, acute. In woods, s'-io' high. 

 July. 



10. Chimaphila. Petals 5, concave, spreading. Stamens 10. 

 Style short and thick. Stigma broad, orbicular, obscurely 5-toothed 

 on the margin. Capsule 5-celled, opening downward. 



C. UMBELLATA (Prince's Pine}. Leaves wedge-lanceolate, tapering at 

 base, serrate, coriaceous ; flowers large, light purple or whitish, fragrant, 

 3-7 in a terminal corymb ; anthers violet. July. 



11. Monotropa. Sepals 4-5, bractlike, deciduous. Petals 4-5, 

 distinct, fleshy, gibbous at base. Stamens 8-10. Anthers 2-celled. 

 Style columnar, hollow. Stigma disk-like, bearded at the margin. 

 Capsule 4-5-celled, 4~5-valved. 



M. UNIFLORA (Indian Pipe]. Plant smooth, fleshy, white throughout, 

 scentless ; stem low, simple, furnished with lanceolate scales instead of 

 leaves, one-flowered ; flower large, smooth inside and out, nodding at first, 

 finally erect. In rich woods. June-July. 



Order XL VIII. PLUMB AGIN ACE^E (Leadwort Family). 



Herbs, or somewhat suffruticose. Leaves simple, alternate, or 

 all radical. Flowers often on simple or branching scapes. Calyx 



