172 ERICACEAE (HEATH FAMILY) 



DD. Leaves either 2 cm. or more long, or else wider for their length; shrubs or 



trees, various in form and in the altitude of their habitat. 

 F. Leaves strongly re volute; fruit a dry capsule. 



G. Leaves 7-5~i5 cm. long; shrubs on dry soil; flowers rose-colored; corolla 

 about 5 cm. long, campanulate. RHODODENDRON (p. 173) 



GG. Leaves 3-7.5 cm. long; shrubs in peat bogs; flowers white; corolla less 

 than i cm. long, either urn-shaped or of distinct petals. 



H. Corolla gamopetalous, urn-shaped; anthers 2-awned; capsule loculicidal; 



leaves without hairs beneath. C. (Andromeda was a mythological Greek 



. beauty, the daughter of Cassiope.) Andromeda polifolia (BOG ROSEMARY) 



HH. Corolla of separate petals; petals widely spreading; anthers awnless; 



capsule septicidal; leaves with or without hairs beneath. LEDUM (p. 172) 



FF. Leaves not revolute; fruit a berry or drupe, fleshy. 



I. Leaves entire, not over 7.5 cm. long; fruit red, i-7-seeded. 



ARCTOSTAPHYLOS (p. 174) 



II. Leaves serrulate or if entire 7.5-12.5 cm. long; fruit red or black, many- 

 seeded. 



J. Shrub; bark not red; calyx becoming large and fleshy; leaves either 



ovate to cordate or else not over 3.7 cm. long; flowers solitary or racemose, 



in the axils; berry red or black. GAULTHERIA (p. 173) 



JJ. Shrub or tree; bark red; calyx remaining small; leaves oval or oblong 



and 7-12 cm. long; flowers paniculate, terminal; berry red. W. The 



Trailing Arbutus of eastern U. S. goes to another genus, Epigaea. (The 



Latin name.) Arbutus menziesii (MADRONA) 



AA. Leaves herbaceous, deciduous. 



K. Corolla of separate petals, copper-colored; flowers solitary, the parts in 5's. 

 C. (Gk. klados a branch, thamnos = a shrub; the branches are numerous.) 



Cladothamnus pryolaeflorus (COPPER BUSH) 



KK. Corolla gamopetalous, cylindric or urn-shaped or campanulate or funnel- 

 form, not copper-colored; flowers clustered, the parts in 4's or 5*5. 

 L. Flower parts in 4's; corolla 5 mm. or less long, urn-shaped or cylindric, 

 greenish or purplish; ovary 4-celled. W. C. E. (Honor of A. Menzies, 

 surgeon and naturalist under Vancouver.) 



Menziesia ferruginea (FOOL'S HUCKLEBERRY) 



LL. Flower parts in s's; corolla 8-50 cm. long, campanulate or funnelform, 

 white or cream-colored; ovary 5-celled. RHODODENDRON (p. 173) 



LEDUM (LABRADOR TEA) 



Shrubs, low. Leaves more or less resinous-dotted. Flowers fascicled; 

 pedicels recurved in fruit. Calyx 5-lobed or -parted. Stamens 4-10; 

 anther cells opening by terminal pores. Capsule oval or oblong, 5-valved 

 from the base. Seed slender. In peaty bogs. (Gk. ledon = the name of 

 the Rock Rose, Cistus; from the resemblance.) 



A. Leaves lanceolate; leaf margin revolute. 



B. Leaves rusty-tomentose beneath. W. L. groenlandicum 



BB. Leaves glaucous and not hairy beneath. W. L. columbianum 



AA. Leaves oval or oblong, not hairy beneath; leaf margin not revolute. E. 



L. glandulosum 



