ERICACEAE (hEATH FAMILY) 633 



1. L. prociimbens (L.) Desv. — Alpine summits, N. H., Me., and Que. • and 

 m humus, Bay of Fundy, N. S., Nfd., and northw. June, July. (Eurasia.) 



13. kAlMIA L. Laurel (of America) 



Calyx 5-parted. Corolla 5-lobed. Filaments long and thread-form. Capsule 

 globose, 5-celled, many-seeded. — Evergreen mostly smooth shrubs, with alter- 

 nate or opposite entire coriaceous leaves, naked buds, and showy tlowers. 

 (Dedicated to Peter Kalm, a pupil of Linnaeus, who traveled in America.) 

 § 1. Flowers in simple or clustered naked umhel-like corymbs ; pedicels from the 

 axils of small and firm foliaceons persistent bracts; calyx smaller 'than the 

 pod, persistent; leaves and branches glabrous^ or nearly so. 



1. K. Iatif51ia L. (Mountain L., Calico Bush, Spoon-wood.) Leaves 

 mostly alternate, bright green both sides, ovate-lanceolate or oblong, acute at 

 each end, petioled ; corymbs terminal, many-flowered, clammy-pubescent ; 

 flowers 1.5-2.5 cm. broad, pink or white; pod depressed, glandular. — Rocky 

 hills and damp soil, N. B. to Ont., and southw. Usually a shrub, but in the 

 mts. from Pa. southw., often tree-like. May-July. 



2. K. angustif51ia L. (Sheep L., Lambkill, Wicky.) Shrub rarely 1 m. 

 high ; leaves commonly opposite or in threes, pale and glabrate underneath, 

 bright green above, narrowly oblong, obtuse, petioled ; corymbs lateral (appearing 

 later than the shoots of the season), slightly glandular, inany-flowered ; flowers 

 rarely 1 cm. broad, crimson; calyx glandular; pod depressed, nearly smooth ; 

 pedicels recurved in fruit. — Hillsides, pastures, and bogs, Lab. to Ont., and 

 southw. June, July. 



3. K. Carolina Small. Similar; leaves permanently jyale-puhernlent beneath ; 

 calyx puberulent, not glandular. — Swamps and woods, Va. to S. C. May, 

 June. 



4. K. polif51ia Wang. (Pale L.) Straggling, 1-6 dm. high ; branchlets 2- 

 edged ; leaves opposite, nearly sessile, oblong, white-glaucous beneath, with revo- 

 lute margins; corymbs terminal, few-flowered, smooth; bracts large; flowers 

 1-2 cm. broad, rose-purple; pod ovoid, smooth. {K. glauca Ait.) — Cold 

 bogs and mts.. Lab. to Alaska, s. to N. J., Pa., Mich., Minn., and Cal. May- 

 July. • 



§ 2. Flowers scattered, solitary in the axils; calyx leafy, larger than the pod, 

 nearly equaling the corolla, deciduous; leaves a7id branches bristly-hairy. 



5. K. hirsuta Walt. Shrub 2-6 dm. high ; branches terete ; leaves oblong 

 or lanceolate, 0.5-1 cm. long, becoming glabrous; corolla rose-color. — Sandy 

 pine barren swamps, Va. to Fla. May-Aug. 



14. PHYLL6dOCE Salisb. 



Corolla 5-toothed, Stamens 10, anthers pointless, shorter than the filaments. 

 Capsule 6-celled, 5-valved, many-seeded. — Low alpine heath-like evergreen 

 undershrubs, clothed with crowded linear and obtuse rough-margined leaves. 

 Flowers nodding on solitary or umbeled peduncles at the summit of the 

 branches. — Sometimes united with Bryanthus, a Siberian genus with 4-parted 

 umbeled flowers. (Phyllodoce, a sea-nymph mentioned by Virgil.) 



1. P. coerulea (L.) Bab. Calyx pubescent ; corolla cylindric-urn-shaped, 

 5-toothed, purplish, smooth; style included. {Bryanthus taxifolius Gray.) — 

 Arctic Am., s. to alpine summits of Me. and N. H. Juue-Aug. (Eurasia.) — 

 Corolla turning bluish in drying. 



15. CASSiOPE D. Don. 



Calyx without bractlets, of 4 or 5 nearly distinct ovate sepals, imbricated In 

 the bud. Corolla open-campanulate, 4-5-lobed or -cleft. Stamens 8 or 10 ; 

 anthers fixed by the apex ; the ovoid cells each opening by a large terminal pore, 



