276 



ERICACEAE. 



Flowers white, umbelled; leaves 



evergreen. 382. Ledum, 280. 



Flowers coppery, solitary; leaves 

 deciduous. 383. Cladothamnus, 281. 



Petals united. 



Bracts firm, persistent; leaf -buds 

 not scaly. 

 Leaves heath-like; corolla 



without pouches. 384. Phyllodoce, 281 



Leaves lanceolate ; corolla with 

 10 pouches which hold the 

 anthers. 38S. Kalmia, 282. 



Bracts thin, deciduous; leaf-buds 

 scaly. 

 Corolla funnelform, S-lobed. 386. Rhododendron, 282. 

 Corolla globose, 4-toothed. 387. Menziesia, 282. 



375. VACCINIUM. Huckleberry. 



Branching shrubs with alternate leaves sometimes coriaceous; 

 flowers small, solitary or in racemes or clusters; corolla various in 

 shape, epigynous, 4- or 5-cleft; stamens 8 or 10; anthers sometimes 

 2-awned on the back; fruit a 4- or 5-celled or sometimes 8-10- 

 celled berry; seeds numerous. 



V. ovatum. 



Leaves evergreen; filaments hairy. 

 Leaves deciduous; filaments glabrous. 



Flowers in clusters of 2-4; corolla mostly 4-lobed; 

 calyx deeply 4- or 5-parted. 

 Leaves thick, prominently veiny, obtuse or retuse. 

 Leaves thinner, obscurely veiny, obtuse or acute. 

 Flowers solitary; corollas mostly S-lobed; calyx ob- 

 scurely lobed. 

 Tall shrubs, 1-3 m. high. 



Leaves serrate; berries blackish without bloom. V. macrophyllum. 

 Leaves entire. 



Berries blue with a bloom. 

 Berries red. 

 Low shrubs, less than one-half m. high. 



Branches sharply angled; berries red or wine- 

 colored. 

 Branches terete; berries blue with a bloom. 

 Leaves rather thin, bright green on both 



sides; corolla ovate or oblong. 

 Leaves thicker, pale and glaucescent; cor- 

 olla globose. 



V. uliginosum. 

 V. occidentale. 



V. ovalifolium. 

 V. parvifolium. 



V. scoparium. 



V. caespitosum. 

 V. deliciosum. 



Vaccinium ovatum Pursh. Evergreen; stems much branched, 1-1.5 m. 

 high, very leafy; leaves ovate to oblong-lanceolate, somewhat revolute, acute, 

 serrate, short-petioled, dark green, shiny above, 1-2.5 cm. long; flowers in 

 short crowded axillary racemes; corolla pink, 4 mm. long; berries black, with 

 or without a bloom. 



Common in open woods, the berries much gathered by the Indians. First 

 found by Lewis at the mouth of the Columbia River. 



Vaccinium uliginosum L. Stems 15-60 cm. high, branched and spreading; 

 leaves oblong to obovate, obtuse or retuse, entire, dull, pale and slightly 



