468 ERICACEAE 
oval, tapering at each end, margins with stiff hairs. Flowers large, con- 
sisting of a long slender tube which is covered by soft down, and of 5 
broad and spreading lobes which are, each, rather shorter than the tube 
and which are somewhat unequal. Both stamens and pistil are much 
exserted beyond the tube. Color pink to nearly white. Rocky woods and 
thickets. April-May. 
2. A. canescens, Michx. (Fig. 1, pl. 114.) Mountain AZALEA. In 
general a taller shrub than No. 1; 4 to 15 ft. high, Leaves wider and 
shorter than those of No- 1 and covered beneath by a soft gray down, 
while along the principal veins grow stiff hairs. Leaves margined with 
stiff hairs. Flowers rose color to white, very fragrant. Stamens less 
exserted than in No, 1. Flower at lobes 2 in. broad. Woods; Catskill 
Mountains; Mass., and southward. April-May. 
3. A. viscosa, L. (Fig. 4, pl. 114.) Swamp Pink. WHITE AZALEA. 
Branching shrub, 4 to 8 ft. high, the whole plant sticky. Leaves alter- 
nate, pear-shaped, 2 to 4 in. long, with bristly hairs on the veins beneath. 
Flowers expanding after the leaves, white or tinged with pink, less broad 
than No. 1 or No. 2. Stamens exserted. The whole flower viscid. In 
swamps and at borders of ponds, general in our area. June-July. 
4. A. lutea, L. (Fig. 3, pl. 114.) Frame Azarea. (A. calendu- 
lacea, Torr.) Shrub, 4 to 15 ft. high, with terminal umbellate clusters 
of yellow or orange flowers. Leaves pear-shaped, with finely toothed mar- 
gins. Flowers appearing with the leaves, yellow or orange, very showy. 
Dry woods, southern part of our area. May-June. 
5. A. arborescens, Pursh. Tree AZALEA. A shrub, 8 to 20 ft. 
high, without hairs on stems or leaves. Leaves oval pear-shaped or in- 
versely lance-shaped. Flowers white or tinged with pink, very fragrant. 
Woods; southern Penna., and southward. June-July. 
13. KALMIA, L. 
Evergreen shrubs, with flowers in terminal or lateral clusters and with 
shining leaves; calyx 5-parted; corolla wheel-shaped, cupped, with 10 
small sacs or depressions for the lodgment of the anthers. Capsule 
globose, 5-celled. Stamens 10, extending only to the pits in the corolla. 
In our species the showy flowers are in an umbel-like terminal cluster, 
or a dense whorl a little below the terminal portion of the branch. 
Leaves opposite or in 3s. 
Blowers in terminal clusters ss <6 « «© ~ ‘es = «© a ts _2s a AQweeaooeem 
Flowers in lateral clusters . . +. + - - - « « « + AK. angustifoha 
Tieaves’ valtetnate. 7s el «| = © K. latifolia 
1. K. angustifolia, L. (Fig. 7, pl. 115.) | Smeer Laurer. Shrub, 
erect, branching, 4 to 3 ft. high. Leaves usually opposite, but often in 
whorls of 3, whitish beneath, oblong or lance-shaped, tapering at each 
end. Flowers numerous in collar-like clusters which enrich the stem be- 
low the termination of the branch. Found in moist places, cold hillsides 
and often at borders of bogs. May-June. 
2. XK. latifolia, L. (ig. 5, pl 115.) MountTAINnN LAurReEL. Shrub, 
2 to 15 ft. high, with commonly alternate leaves and with terminal flower 
clusters. Leaves oval or elliptic, tapering at each end, bright green on 
both sides. Flowers numerous in very showy clusters, rose-color to white. 
