HEATH FAMILY 83 



ERICACEAE HEATH FAMILY 



Sepals 4-5, separate or united, petals 4-5, separate or united, stamens 

 4-10, ovary 2-5-celled, stigma globose or shield-shaped, fruit a capsule, berry 

 or drupe ; flowers solitary ur clustered ; shrubs, or perennial herbs with 

 simple leaves. 



1. Petals separate Ledum * 



2. Petals united 



a. Leaves in 4 rows, overlapping, blunt awl- 



shaped Cassiope 



b. Leaves alternate, flat, spreading 



(1) Corolla flat, saucer-shaped Kalmia 



(2) Corolla bell- or urn-shaped 



(a) Flowers 4-parted ; stamens 8 Mexziesia 



(b) Flowers 5-parted ; stamens 10 



x. Low erect shrubs with linear leaves Phyllodoce 

 y. Creeping shrubs with broad leaves 

 (x) JLeaves entire; flowers in terminal 



clusters Arctostaphylus 



(y) Leaves toothed; flowers solitary, 



axillary Gaultheria 



Arctostaphylus Adanson 1763 Bearberry, Kinnikinnic 



( Gr. arktos, bear, staphyle, grape) 

 PL 16, fig. 10. 



Sepals 4-5, united at base, petals 4-5, white or pink, united, stamens 8-10, 

 included, ovary 4-10-celled, style slender, fruit a drupe, with 4-10 seed-like 

 nutlets coherent into a solid stone ; flowers nodding, stalked, in terminal 

 racemes, panicles or clusters; leaves alternate, petioled, firm, persistent. 

 evergreen ; creeping shrub. 

 Sterns creeping; leaves oblong to spatulate, 1-3 cm. 



long; flowers 7-10 mm. long A. uia-ursi 



Cassiope Don 1834 Cassiope 



1 Named for Cassiope) 



PI. 15, fig. 5. 



Sepals 4-5, petal- 4-5, white or pink, united, stamens 8-10, included, 



ovary 4-5-celled. style 1. stigma, single, capsule globose or ovoid, 4-5- 



valved, each valve 2-cleft at the apex ; flowers with stalks, solitary, nodding. 



