Par? 1, 1914] ERICACEAE 59 
22. CASSIOPE D. Don, Edinb. New Phil. Jour. 17: 157. 1834. 
Shrubs with creeping, prostrate, or ascending, more or less matted stems and branches. 
Leaves 4-ranked, imbricate and clothing the branches; blades broad, short and very thick, 
rounded, keeled or grooved on the back, sessile or nearly so. Flowers perfect, solitary at the 
ends of lateral pedicels, nodding. Calyx persistent; lobes 4 or 5, usually obtuse or rounded, 
many times as long as the very short tube. Corolla white or pink, campanulate; tube broad; 
lobes 4 or 5, rounded, much shorter than the tube. Stamens 8 or 10, included; filaments 
short, sometimes dilated at the base; anthers globular or slightly elongate, each sac with a 
slender awn. Ovary globular or depressed, 5-celled; style slender, scarcely or not at all thick- 
ened at the base, somewhat persistent; stigma minute. Capsule globose or oval, varying to 
ovoid or obovoid, 5-lobed, loculidically 5-valved, seated in the shorter calyx. 
Type species, Andromeda tetragona L,. 
Leaf-blades grooved on the back. 
Flowers long-pedicelled; pedicels several times as.long as the leaves in an- 
thesis, much longer in fruit; corolla 3-4 mm. long. 1. C. tetragona. 
Flowers short-pedicelled; pedicels about as long as the leaves in anthesis, 
twice or thrice as long in fruit; corolla 6—7 mm. long. 2. C. saximontana. 
Leaf-blades not grooved on the back. 
Leaf-blades not scarious-margined, the young ones ciliate at the tip; fila- 
ments scarcely dilated at the base. 3. C. Mertensiana. 
Leaf-blades scarious-margined, not ciliate; filaments decidedly dilated at 
the base. 4, C. lycopodioides. 
1. Cassiope tetragona (L.) D. Don, Edinb. New Phil. Jour. 17: 158. 
1834. 
Andromeda tetragona ,. Sp. Pl. 393. 1753. 
Shrub 0.5-3 dm. tall, with very stout branches; leaf-blades oblong-ovoid, 3.5-5.5 mm. 
long, usually obtusish, puberulent when young, grooved on the back; pedicels several times as 
long as the leaves in anthesis; calyx-lobes ovate, 2~2.5 mm. long, obtuse; corolla 5-6 mm. long, 
the lobes ovate; stamens about 2 mm. Jong; capsules globose-ovoid, about 3 mm. long. 
Type Locauity: Lapland. 
DISTRIBUTION: Circumboreal, southward to Labrador, the Hudson Bay region, and Alaska, 
Ii.ustrarions: L. Fl. Lapp. pl. 1; Pall. Fl. Ross. pl. 73, f. 3; Fl. Dan. pl, 1030; Bot. Mag. 
pl. 3181; Britt. & Brown, Ill. Fl. f. 2762; ed. 2. f. 3234; Proc. Wash. Acad. 3: f. 64. 
2. Cassiope saximontana Small, sp. nov. 
Shrub mostly 1-2 dm. tall, with more slender branches than C. tefragona; leaf-blades 
narrowly ovoid, 4-5 mm. long, usually acute or acutish, puberulent when young, grooved on 
the back; pedicels about as long as the leaves in anthesis; calyx-lobes ovate or oblong-ovate, 
2-2.5 mm. long, obtuse or acutish; corolla 3.5-4 mm. long, the lobes half-orbicular; stamens 
less than 2 mm. long; capsules ovoid, about 3 mm. long. 
Type collected in open woods near the summit of Sulphur Mountain near Banff, Alberta, 
Canada, July 18, 1899, W. G. McCalla 2161 (Herb. N. Y. Bot. Gard.). 
Distrrsution: Alberta. 
3. Cassiope Mertensiana (Bong.) G. Don, Gen. Hist. 3: 829. 1834. 
Andromeda Mertensiane Bong. Mém. Acad. St.-Pétersb. VI. 2: 152. 1831. 
‘Andromeda cupressina Hook. Fl. Bor. Am. 2: 38. 1834. 
Cassiope Mertensiana gracilis Piper, Smithson. Misc. Coll. 50: 195. 1908. 
Cassiope Mertensiana ciliolata Piper, Smithson, Misc. Coll. 50: 196. 1908. 
Cassiope Mertensiana californica Piper, Smithson. Misc. Coll. 50: 196. 1908. 
Shrub mostly 1-3 dm. tall, with stout ascending branches; leaf-blades ovate to lanceolate 
in outline, 4-6 mm. long, obtuse, glabrous or minutely ciliolate, not grooved on the back, but 
keeled; pedicels many times as long as the leaves; calyx-lobes ovate, 2-3.5 mm. long, obtuse, 
entire or erose; corolla 4-6 mm. long, the lobes ovate; stamens 2-2.5 mm. long; capsules 
obovoid to oval, 2.5-3.5 mm. long. 
Tyre Locality: Sitka. . . 
DistRIBUTION: Alaska to Montana, Nevada, and California. 
I_LustRations: Mém. Acad. St.-Pétersb. VI. 2: pl. 5; Proc. Wash. Acad. 3: f. 63; Henshaw, 
Mountain Fl. Am. #1. 25; Brown & Schaffer, Alp. Pi. Can. pl. 59, ec. 
