Order 73.— HEATHWORTS. 



251 



mas 5, often projecting like rays. Pod 5-celled, 5-valved, opening into 

 the cells, many-seeded. — U Low, evergreen herbs, almost woody, with the 

 leaves generally radical, and the scape bearing a raceme of nodding flow- 

 ers. Mostly northern. June, July. 



§ Stamens ascendino:, style declined and curved a 



I Stamens and style straight and erect 5, 6 



a Leaves thick and shining. Flowers white or :ose-colored 1, 2 



a Leaves green, not shining. Flowers greenish-white. . . .3, 4 



1 P. rotundifo'lia. Eound-leaved P. Lvs. orbicular. Mostly white petals. (Fig. 14.) 



2 P. asarifo'lia. Hcari-leaved P. Leaves round-cordate. Kose-colored petals. 



3 P. ellip'tica. Pear-leaved P. Leaves large, thin, elliptical, on short petioles. 



4 P. chloran'tha. Green-ji. P. Lvs. small, thick, roundish, shorter than petioles. 

 5 P. secun'da. One-sided P. Raceme with the green- white flowers all on one side. 

 8 P. minor. Lesser P. Raceme .«pike-form, with small, globular, white fls. Mts. 



9. CHIMAPH'ILA. Pipsissiwa. 

 Calyx 5-parted. Petals 5, spreading, round. 

 Stamens 10. Anther cells lengthened above 

 into tubes. Style very short, thick. Capsule 

 5-celled. — Small evergreens, with oblong, ser- 

 rate, clustered leaves, and terminal flowers. 

 June, July. 



Leaves wedge-lance- 

 4-7-flowered, on an 



1 C. umbella'ta. Prince's Pine. 



olate, in 4's-6's. Umbel 

 erect stalk. July. 



2 C. maciila'ta. Spotted P. Leaves lanceolate, acumi- 



nate, marked with whitish streaks along the 

 midvein. Flowers 2 or 3. (See Fig. 548.) 



10. MONOT'ROPA. Pine Sap. 

 Calyx of 1-5 bract-like sepals. Petals 4 or 5, 

 connivent in a bell-shaped corolla. Stamens 

 8-1 0> Capsule 4-5-celled, 4-5-valved.— Low 

 herbs growing on the juices of other plants, aU 

 white or tawny, with scales instead of leaves. 



1 M. uniflo'ra. India?: Pipe. Sepals 1-8. Flower 



solitary, scentless. Stem 6' higli, commoa in 

 woods. Wiioie plant white. Summer, 



2 M. Hypop'itis. Pine Sap. Downy, tawny. Sepals 4, 5. 



grant. Stem 6-S' high. Root a tangled ball of fibres. 



Flowers racemed, iri. 

 Aug. 



