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 revolute; fruit a dry capsule. 

 G. Leaves 7.5-15 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 IBOG 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, 1-7-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 



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



Latin name.) Arbutus menziesii (maoeona) 



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 nitmerous.) 



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's. 

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

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

 surgeon and naturalist under Vancouver.) 



Menziesia ferruginea (rooL's huckleberry) 



LL. Flower parts in 5's; corolla 8-50 cm. long, campanulate or funnelform, 



white or cream-colored; ovary 5-celIed. 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, s-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. groenlandiciun 



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 



