ERICACEAE (heath FAMILY) 369 



1. Monotropa uniflora L.Sp. PI. 387. 1753. Smooth, waxy- white (turning 

 blackish in drying), 1-flowered inodorous plant, 7.5-^20 cm. high: calyx of 

 i-4 irregular scales or bracts: anthers transverse, opening equally by 2 

 chinks: style short and diick; stigma naked. — ^Damp woods throughout the 

 continent. 



3. HYPOPITYS DiU. Pinesap 



Plant often scented, commonly pubescent, at least above, racemosely 3- 

 several-flowered. Terminal flower earliest and usually 5-merous and the 

 lateral 3-4-merous. Sepals less bract-like, as many as the petals; the latter 

 saccate at base. Anthers more reniform; the cells completely confluent into 

 one, which opens by very unequal valves, the larger broad and spreading, the 

 other remaimng erect and contracted. Stigma glandular or hairy on the mar- 

 gin. 



1. Hypopitys multiflora Scop. Fl. Cam: Ed. II. 1: 285. 1772. Somewhat 

 pubescent or downy, tawny, whitish, or reddish, commonly fragrant plants, 

 10-30 cm. high: flowers several in a scaly raceme; the terminal one usually 

 5-merous, the rest 3-or 4-merous: bract-like sepals mostly as many as the petals: 

 anthers opening by a continuous hne into 2 very unequal valves: styles longer 

 than the ovaiy, hollow; stigma ciUate: pod globular or oval. Monotropa 

 Hypopitys. — Under coniferous trees in temperate regions. 



88. ERICACEAE DC. Heath Family 



Shrubs, perennial herbs, or trees, with simple exstipulate leaves and mostly 

 perfect sympetalous or rarely choripetalous flowers. Calyx free from the 

 ovary, 4-5-parted or 4-5-cleft, mostly persistent. Corolla regular, or rarely 

 somewhat 2-hpped and irregular, usually 4-5-toothed, lobed, or divided. 

 Stamens hypogynous, usually as many or twice as many as the corolla-lobes; 

 filaments mostly separate; anthers 27Celled, attached to the filapient by the 

 back or base, the sacs often prolonged above into tubes, dehiscent by ter- 

 minal pores or chinks, often awned. Disk crenate-lobed or Often none. Ovary 

 2-5-celled; style elongated or short: stigma peltate or capitate; ovules usu- 

 ally numerous. Fruit a capsule, berry or drupe. Seeds numerous or some- 

 times only 1 in each cavity. 



Fruit a dry capsule. 

 Anther^cells each tipped with a recurved awn; leaves opposite . 1. Cassiope, 

 Anther-cells not app6hdaged; leaves alternate. 

 Corolla sympetalous. ^ 



Leaves l;eath-lilj:e< (linear, obtuse) 2. Phyllodoce. 



Leaves lanceolate to elliptic. 



Corolla urn-shaped . . . • '• . . .3. Menziesia. 

 Corolla saucer-shaped ........4. Kahnia. 



Corolla of separate petals ........ 5. Lediun. 



Pruit more or less ileshy. ■ 



Fruit a capsule inclosed in the fleshj^ calyx .6. Gaultheria. 



Fruit a berry or drupe, not inclosed in the calyx .... 7. Arctostaphylos. 



1. CASSIOPE D. Don. 



Low, tufted, heath-like, evergreen shrubs, with small, sessile, imbricated, en- 

 tire leaves, and solitary peduncled white or pink nodding flowers. Sepals 4 or 

 5. Corolla campanulate, 4-5-lobed. Stamens ■ 8t10, included; antners at- 

 tached to the filaments near ihe apex, the sacs opening by large terminal 

 pores and tipped with a recurved awn. Capsule globose or ovoid,. 4-5-valved. 

 Seeds minute, numerous. 



