168 ELEMENTS OF BOTANY. 



mens 10-12, anthers peltate ; ovary 5-celled, style short, stigma 

 peltate ; capsule 5-celled, 5-valved. 



M. UNiFLORA L. Indian Pipe. Stem smooth, succulent, 4-6 

 in. high ; bracts ovate or lanceolate ; flower tubular, |-1 in. long, iu- 

 odorous ; stauiens a little shorter than the petals ; capsule angled, ^-| 

 in. long; whole plant waxy white, turning black in drying. June- 

 August. In moist, shady woods. 



II. HYPOPITYS. 



Low, saprophytic herbs ; stems erect, simple, pubescent 

 above ; bracts numerous ; flowers in a one-sided, terminal 

 raceme ; terminal flowers usually with 5 petals and 10 sta- 

 mens ; the others with 4 petals and 8 stamens ; sepals as many 

 as the petals ; petals saccate at the base ; ovary free, style 

 longer than the stamens, stigma ciliate ; capsule 3-5 celled, 

 many seeded. 



H. Hypopitys (L.) Small. Pine-sap. Stems single or clustered, 

 white or reddish, 4-8 in. high; bracts ovate-lanceolate; flowers succu- 

 lent, fragrant, ^-| in. long; capsule oval, | in. long. June-August. 

 In dry, shady woods. 



94. ERICACEAE. HEATH FAMILY. 



Trees, shrubs or perennial herbs ; leaves alternate or 

 opposite, simple, exstipulate, often evergreen ; flowers axil- 

 lary or terminal, solitary or variously clustered, perfect ; 

 calyx 4-5-parted or cleft, usually persistent ; corolla 4-5-lobed 

 or parted ; stamens 5-10, hypogynous, distinct, anthers 2- 

 celled, often awned ; ovary free, 2-5-celled, style long or 

 short, stigma entire or 3-lobed ; fruit a 2-5-celled capsule or 

 berry, seeds few or numerous. [Plants of this family are 

 rarely found on lime soils.] 



I. AZALEA. 



Shrubs, often much branched; leaves alternate, thin, de- 

 ciduous ; flowers very showy in terminal umbels from scaly 



