Bailey & Bailey: Woody Plants of National Parks 185 



la. Alpine Bog Kalmia, Rocky Mountain Laurel (Var. micro- 

 phylla Hook.). — Differs from bog kalmia in being only 3 to 8 inches high; 

 leaves oval or egg-shaped to broadly oblong, I/4 to 1/2 inch long; occurs in 

 open alpine meadows. 



Occunence. — MOUNT RAINIER, 6,000 to 8,000 feet: near Nisqually Glacier. LAS- 

 SEN; Lassen Peak. YOSEMITE, occasional, 7,000 to 12,000 feet; Neall Lake; Vogel- 

 sang Pass; above Lake Tenaya ; Tuolumne Meadows; west side of Cathedral Peak; 

 Elizabeth Lake; Donohue Pass. KINGS CANYON: Hairison Pass trail. SEQUOIA, 8,000 

 to 12,000 feet: Kaweah Peaks; Twin Lakes; Hockett Meadows; near Mineral King; 

 Panther Meadow. GLACIER, common, 5,000 to 8,000 feet: Sperry Glacier trail; trail to 

 Hidden Lake; Logan Pass; Granite Park; Swiflcurrent Pass; Iceberg Lake; above 

 Morning Eagle Falls. YELLOWSTONE, occasional: Spring Creek. GRAND TETON, occa- 

 sional, 6,800 to 9,500 feet: Kinnikinnick Lake; Amphitheatre Lake; shore of Leigh 

 Lake. ROCKY MOUNTAIN, occasional, 10,000 ot 11,000 feet: Long's Peak and vicinity; 

 Dream Lake. 



Labrador-tea {Ledum L.) 



Field Guide to the Species 



Leaves resin-dotted and whitish below, smooth above and below I. L. glandulosum. 



Leaves covered below with dense rusty wool 2. L. groenlandicam. 



1. Western Labrador-tea (Ledum glandulosum Nutt.). — Rigidly- 

 branched shrub 1 to 5 feet high; leaves fragrant when crushed, oval to oblong 

 or oblong-egg-shaped, 1/2 to 2 inches long, leathery, dark green above, pale 

 or whitish and resin-dotted below, the margins tending to curl under; flowers 

 white, about 1/2 i"ch across, with 5 separate petals, borne at the ends of the 

 stems in flattish or round-topped clusters 1 to 2 inches across; capsules oval, 

 splitting along the partitions into 5 sections. 



Occurrence. — LASSL.N : Hot Springs Creek below Devil's Kitchen, 5,700 feet; near 

 1-orest Lake. YOSEMITE, occasional, 6,000 to 9,500 feet: Tuolumne Meadows; Eagle 

 Peak Meadows; Nevada Falls trail to Cloud's Rest; Lake Tenaya; Mount Lyeil ; 

 Clark Creek below Mount Clark; Royal Arch Lake; Yosemite Falls trail; Ireland 

 Lake trail; near Kibbie Lake, northwest corner of park. KINGS CANYON: Reflection 

 Lake. SEQUOIA, occasional: Alta Meadows; Alta Peak; Heather Lake trail; Hockett 

 Meadows. GLACIER, rare, 3,100 to 6,500 feet: Belton, near park headquarters; trail on 

 west side below Boulder Pass. YELLOWSTONE, occasional, 6,000 to 8,000 feet: near Hot 

 Springs pool; near Cub Creek Canyon on east entrance road; 2 miles east of Lone Star 

 Geyser junction; junction of Yellowstone River and Boiling River. GRAND TETON. 



2. Labrador-tea Ledum (Ledum groenlandiciim Oeder) . — Similar to 

 western Labrador-tea but the under surface of the leaves densely rusty-woolly 

 instead of whitish; a species of the far North, the leaves of which were used 

 in Greenland and Labrador as a substitute for tea. 



Occurrence. — OLYMPIC, rare. MOUNT rainier, rare: Longmire. ISLE ROYALE, com- 

 mon in swamps: Mott Island. 



Copperbush (Cladothamnus pyrolaeflorus Bong.). — Erect deciduous 

 shrub, 3 to 6 feet high, the leaves often tending to be bunched towards the 

 ends of short branchlets; leaves oblong to spatula-shaped, rounded or blunt- 

 pointed at the tip, % to nearly 2 inches long, not toothed, bright green 

 above, paler below; flowers copper-colored, about 1 inch across, borne singly 

 or few at the ends of the branchlets; petals 5, oblong, not united; fruits small 



