HEATH FAMILY 469 
This shrub often forms dense thickets and when growing in woods often 
attains the height of 20 ft. or more. May-June. 
3. K. glauca, Ait. (Fig. 6, pl. 115.) Pate on Swamp Lauren. (K. 
polifolia, Wang.) A smooth shrub, 1% to 2 ft. high, with leaves opposite 
or in 3s. Leaves long, narrow, tapering at each end, bright green above, 
whitish beneath, the borders rolled backward. Flowers in loose terminal 
clusters, purple. In bogs. May-Aug. 
14a. LEUCOTHOE, D. Don. 
Shrubs, with alternate leaves and many egg- or cylindric-shaped small 
flowers in lengthened slender clusters, axillary or terminal. Calyx of 
5 sepals; corolla cylindric or egg-shaped; stamens 10; capsule 5-lobed, 
5-celled. 
L. racemosa, (L.) A. Gray. (Fig. 2, pl. 118.) Swamp Leucoruoér. 
Shrub, 3 to 10 ft. high. Leaves oblong to egg-shaped, tapering at each 
end, 1 to 3 in. long, 3 as wide. Flowers in long spike-like clusters, each 
flower with a bract at the flower pedicel, the clusters more or less as- 
cending. Swamps and thickets. April-June. 
15.5 ANDROMEDA, L. 
A shrub, with globose or egg-shaped white flowers, in a terminal clus- 
ter. Leaves evergreen, linear or narrowly oblong, the margins rolled 
backward, whitish beneath. Calyx 5-parted; corolla globose or egg- 
shaped; stamens 10; capsule nearly globose, 5-celled. 
A. polifolia, L. (Fig. 2, pl. 115.) Wi_tp Rosemary. A shrub, 1 to 
3 ft. high. Leaves narrow with margins rolled back, dark green above, 
whitish beneath. Umbels of flowers terminal, few-flowered. Bogs, north- 
ern New Jersey, Penna., and northward. May-June. 
16. PIERIS, D. Don. 
Our species a shrub, with alternate leaves and cylindric or egg-shaped 
white or pinkish flowers in lateral clusters, the flower pedicels attended 
by sharply tapering bracts. Stamens 10; capsule 5-celled. 
P. mariana, (L.) Benth. and Hook. (Fig. 1, pl. 118.) Sraccrr 
BusH. (Lyonia mariana, D. Don.) Shrub, 2 to 4 ft. high; leaves ob- 
long or oval, 1 to 3 in. long, 3 as wide. Flowers nodding in lateral clus- 
ters, appearing on the nearly leafless stems of the preceding season. Co- 
rolla about 4 in. long, pink or pinkish-white. Low wet grounds, south- 
eastern New York and along the eastern coast from Rhode Island south- 
ward. May-July. 
17, CHAMAEDAPHNE, Moench. (Cassandra, D. Don.) 
Low, much branched, erect shrub, with alternate, leathery, nearly 
evergreen leaves and with many white ovoid flowers in one-sided leafy 
clusters. Calyx of 5 rigid sepals bracted at the base. Corolla 5-toothed, 
narrowed at the throat. Stamens 10. Capsule globose, depressed, split- 
ting when ripe, into an inner and an outer layer, the inner dividing into 
10, the outer into 5 valves. 
C. calyculata, (L.) Moench. (Fig. 7, pl. 118.) Learner Lear. 
Dwarr CassanpRA, Shrub, 2 to 4 ft. high, branching. Leaves oblong, 
