HUCKLEBERRY FAMILY 645 



3. V. caespitosum Michx. Shrub 0.5-3 dm. high; leaves rather thin, 

 obovate, cuneate or oblanceolate, glabrous; corolla ovoid-urceolate, 4-5 mm. 

 long; berry blue, with a bloom, 6-8 mm. in diameter, Alpine-arctic situations: 

 Lab.— N.H.— Colo.— B.C. Suhalp.^Alp. 



4. V. globulare Rydb. Shrub 3-8 dm. high; leaf-blades 1-4 cm. long, 

 thin, broadly oval or obovate, somewhat paler beneath; corolla yellowisli white, 

 about 6 mm. in diameter; berry dark purplish blue, 6-8 mm. in diameter. Woods: 

 B.C. — Ore. — L'tah — Mont. Submonl — MonL My-Jl. 



5. V, ovalifolium Smith. Shrub 2-3.5 dm. high; leaf-blades elliptic, oval, 

 or oblong-oval, entire-margined, bright green above, pale beneath, 3-5 cm. long; 

 corolla ovoid-urceolate, about 8 mm. long and 5-6 mm. in diameter; berry 8-10 

 mm. in diameter. Woods: Alaska—Ore. — Mich.— ^ue. Submonl.— Mont. My-JL 



6. V. membranaceum Dougl. Shrub 3-15 dm. high; leaf-blades thin, 

 oval, only slightly paler beneath, 3-5 cm. long; corolla ovoid-urceolate, about 

 5 mm. long, 4 mm. wide; berry 8-10 mm. in diameter. V. myrtilloides Hook. 

 Woods: B.C.^ — Calif. — Wyo. — Mich. Submont. — Mo7iL Je-JL 



^ 7. V- oreophilum Rydb. Shrub 1-3 dm. high; leaf-blades ovate or oval, 

 thin, veiny, green on both sides, 1-1.5 cm. long; corolla ovoid-urceolate, about 

 4 mm. long; berry 5-8 mm. in diameter. V, Myrtillus Hook., not L. Moun- 

 tain woods; B.C. — N.M. — Alta. Mbrit, — Alp. Je. 



8. V. scoparium Leiberg. Shrub 1-2 dm. high; leaf-blades light green, 

 thin, 1 cm. or less, ovate or lance-ovate^ acute at both ends, serrulate; corolla 

 ovoid-urceolate, 3 mm. or less long; berry red, about 5 mm. in diameter. V. 

 erythrococciim Rydb. Grouse-berry. Mountain sides: B.C. — Calif. — Colo. — 

 Alta. Submonl. — Subalp. Je-Jl. 



9. V, parvifolium Smith. Shrub 2-4 m. high; branches green, sharply 

 angled; leaves oblong or oval, obtuse or rounded at both ends, pale and dull, 

 entire, 6-20 mm. long; corolla globular; pedicels nodding in fruit; berry light red, 

 rather dry. Shady woods: Calif. — Ida. — B.C. — Alaska. Submont. — MonL 



3. CYANOCOCCUS (A. Gray) Rydb. Blueberry. 



Shrubs with alternate, thin, deciduous leaves. Flowers in fascicles or very 

 short racemes, developed with the leaves, from separate scaly buds; bracts and 

 bractlets scaly, mostly deciduous. Calyx-lobes 5, usually small. Corolla in 

 ours campanulate, white or slightly rose-colored; lobes 5. Stamens 10; filaments 

 hairy; anthers awnless. Ovary and fruit incompletely 10-celled, b}^ false parti- 

 tions or projections from the back of each carpel; berry blue or black, with a 

 bloom, sweet and edible, many-seeded. 



Leaves entire, as weU as the branches pubescent. 1. C. canadensis. 



Leaves serrate, glabrous, except sometimes the veins and margins; branches glabrous 

 or with pubescent lines. 2. C. pennsylvanicus. 



1. C. canadensis (Richards.) Rydb. Shrub 3-6 dm. high; leaves broadly 

 lanceolate, acute at both ends, softly pubescent, especially beneath, 2-4 cm. long, 

 8-18 mm. mde; corolla cylindro-campanulate, about 4 mm. long and 3 mm. in 

 diameter; berry bluish black, with a oloom, 5-8 mm. in diameter, Vaccinium 

 canadense Richards. Moist places: Lab.— Va. — 111. — Sask. Boreal. My-Je. 



2. C, pennsylvanicus (Lam.) Rydb. Shrub 1^ dm. high, with warty 

 branches; leaves oblong or oblong-lanceolate, slightly pubescent on the veins 

 beneath and the margins, acute at both ends, 2—4 cm. long; corolla as in the pre- 

 ceding; berry 6-10 mm. in diameter, bluish black, with a bloom, very sweet. 

 y. pennsylvanicum Lam, Hillsides and woods: Newf.— N.J, — 111. — Sask. Boreal. 



My-Je. 



4, VITIS-IDAEA (Tourn.) Moench. Mountain Cranberry, 



Swedish Cranberry. 



Low shrubs, with coriaceous, persistent leaves. Flowers in short racemes 

 from separate buds. Calyx-teeth small, 4 or 5. Corolla urceolate or campanu- 



