278 ERICACEAE. 



calyx adherent to the ovary, 4-5-cleft; corolla deeply 4-cleft, with 

 spreading lobes; stamens 8 or 10; filaments separate; anthers 

 connivent; ovary 4-celled; fruit an oblong or globose many-seeded 

 4-celled juicy red berry. 



Oxycoccus oxycoccus intermedius (Gray) Piper. Glabrous; stems slender, 

 creeping, 15-40 cm. long; leaves oblong to ovate, acute or obtuse, dark green 

 and shiny above, pale beneath, 6-15 mm. long; pedicels slender, erect, 2-10 

 together, each bearing a nodding flower; corolla pale rose color, 4-parted, the 

 segments 6-8 mm. long; berry dark red, globose. 



Common in sphagnum bogs. 



377. GAULTHERIA. 



Shrubs or low and almost herbaceous plants with alternate 

 broad evergreen leaves, shining above; flowers axillary, white or 

 rose-colored, nodding; calyx 5-cleft; corolla urn-shaped to cam- 

 panulate; stamens 10, on the base of the corolla; stigma truncate 

 or obtuse, entire; ovary 5-celled, 5-lobed; fruit berry-like, formed 

 of the fleshy calyx enclosing the capsule. 



Corolla urceolate; filaments hairy; shrub 0.5-2 m. high. G. shallon. 

 Corolla campanulate; filaments glabrous; shrub 5-20 cm. high. 



Leaves ovate or subcordate, 2-4 cm. long. G. ovatifolia. 



Leaves oval, about 1 cm. long. G. humiftisa. 



Gaultheria shallon Pursh. Salal. Shrub; stems .5-2 m. high, crooked, 

 often somewhat decumbent; leaves ovate-oblong, rounded or subcordate at 

 base, acuminate, serrulate, 3-10 cm. long; inflorescence glandular-pubescent; 

 racemes many-flowered, 1-sided, axillary and terminal; corolla white, ovoid, 

 6-10 mm. long; fruit black or dark-purple, very variable in size, shape and 

 amount of glandular pubescence. 



A very characteristic shrub of the Douglas spruce forests. Berries edible. 

 First collected by Captain Meriwether Lewis at the mouth of the Columbia 

 River. 



Gaultheria ovatifoUa Gray. Stems procumbent with erect or somewhat as- 

 cending branches, 10-15 cm. high, sparsely pubescent; leaves ovate, acute, 

 serrulate, 2-4 cm. long; flowers solitary in the axils; corolla white, campanulate, 

 5-lobed; fruit scarlet, globose. 



In open forests in the Cascade and Olympic Mountains at about 1200 m. 

 altitude. Fruit very spicy and delicious. 



Gaultheria humifusa (Graham) Rydb. Stems spreading on the ground 

 in tufts, the flowering branches 2-10 cm. long; leaves oval to orbicular, serru- 

 late, 1-2 cm. long; flowers solitary in the axils; corolla white, campanulate, 

 5-lobed; berry globose, scarlet, spicy-flavored. 



In the Cascade and Olympic Mountains at about 2000 m. altitude. 



378. ARBUTUS. 



Trees or shrubs with evergreen leathery alternate petiolate 

 leaves; flow^ers small, white or flesh-colored, in a terminal cluster 

 of racemes or panicles, with scaly bracts and bractlets; calyx 

 small, 5-parted; corolla globular or ovoid; style long; stigma 

 obtuse; ovary on a hypogynous disk; ovules crowded on a fleshy 

 placenta in the inner angle of each cell. 



