482 ORDER 73. ERICACEAE. 



Anthers 2-awned back of the 2 horns. Leaves deciduous, (a) 



a Filaments smooth. Fr. 4 to 5-celled. Low alpine undershrtibs Nos. 1, 2 



a Filaments hairy. Fruit partly 10-celled. Taller (2 to 20f high.) Nos. 3. 4 



Anthers 2-horned, without the awns. Filaments 10, hairy, (b) 



b Leaves evergreen. Flowers 4-parted. Fruit 4-celled No. ,"> 



b Leaves evergreen. Flowers 5-parted. Fruit partly 10-celled Nos. C, 7 



b Leaves deciduous. Fruit partly 10-celled. Fls. in short, close racemes, (c) 



C Corolla bell-shaped. Leaves hairy both sides, entire'. No. S 



C Corolla cylindrical. Leaves smooth or nearly so Nos. 9 1 1 



C Corolla ovoid, evidently contracted at the mouth Nos. 11 13 



1 V. uliginosum L. BILBERRY. Procumbent ; Ivs. obovate, very obtuse, 

 entiro, smooth, not shining, glaucous and veiny beneath; fls. mostly solitary, 

 axillary; cor. ovoid-globous, deleft; anth. 8, with 2 slender awns. A low, alpino 

 shrub, White- Mts. Sts. with numerous rigid branches. Lvs. 4" by 3", scarcely 

 petiolate, crowded near the ends of the branches, and of a bluish-green. Fls. halt' 

 as long as the leaves, subsessile, sometimes 2 together. Berries oblong, deep blue, 

 crowned with the style. Jn., Jl. 



2 V. caespitosuni MX. BILBERRY. Dwarf, casspitous; Ivs. obovato, attenuate; 

 at the base, thin, serrate, reticulate with veins, shining ; ped. Bubsolitary, 1-flow- 

 ered; cal. very short ; cor. ublong, suburceolate, 5-toothed; stam. 10. "White Mts. 

 (Oakes), 23". to Hudson's Bay. St. a few inches high. Fls. numerous, nodding, 

 on short pedicels. Anth. with 2 long awns at the back. Berries large, globous, 

 blue, eatable. 



3 V. stammeum L. DEERBERRY. Lvs. oval-lanceolate, acute, dull, glaucous 

 beneath; pedicels solitary, axillary, nodding; cor. campanulate-spreading, segm. 

 acute, oblong; anth. 10, with the long tubes exserted and 2 awns at their base. 

 Dry woods, Can. to Fla. and La. Shrub 2 to 3f high, very branching. Lvs. 1 to 

 2' long, mostly rounded at base, and on very short petioles, those on the slender 

 flowering branches very much smaller. Cor. white. Stam. conspicuously ex- 

 serted, but shorter than the style. Berries large, greenish white, bitter. May, Jri. 

 (Y. elevatum Banks.) Varies with the leaves beneath nearly white to green, 

 smooth to pubescent, and with smaller flowers. 



4 V. arboreum MX. Lvs. obovate, acute and short-petioled at base, mucronate 

 and glandular-serrulate or entire, veiny, shining above, pale green and subpu- 

 bescent beneath ; pedicels axillary to bracts, secund, in leafy racemes ; cor. cy- 

 lindric-bell-shaped ; anth. 10, included, 2-awned. Woods, N. Car. to Fla. Shrub 

 or small tree, 8 to 20f high. Lvs. usually small, rather thick, 1' to 18'' long. 

 Fls. numerous, elegant, rose-white, half as long as their pedicels. Berries black, 

 dryish, ripening but few seeds. May, Jn. (V. myrtilloides ? Ell. with the bracts 

 enlarged to Ivs. in fruit.) 



5 V. Vitis-Idasa L. Decumbent, much branched, smooth, evergreen ; Ivs. oval, 

 thick, margin revolute, obtuse, small, dark green above, pale beneath ; fls. soli- 

 tary or in short clusters, 4-parted; cor. campanulate. Summits of the White 

 Mts. N. H., also rocky hills, E. Mass, and Me. Sts. 3 to 6' long. Lvs. crowded, 4 

 to 7" long, channeled along the mid vein above. Fr. small, mealy, sour. Jn., Jl. 



6 V. Myrsinftes MX. Erect, much branched; Ivs. small, elliptical, acute at each 

 end, glabrous, serrulate ; fly', in small, lateral clusters of 2 to 5 ; cor. ovoid, urceo- 

 late ; sty. slightly exserted. A beautiful little shrub 1 to 2f high, common in 

 woods, N". Car. to Fla. Branches greenish. Lvs. 3 to 5" long, varying from 

 elliptic to obovate or roundish, perennial, often purplish. Cal. purple, cor. rose- 

 colored. Fr. rather large, bluish black, sweet, pulpy, many-seeded. Mar., Apr. 



7 V. myrtifolium MX. St. simple, decumbent at base, from long, creeping roots ; 

 bark green, puberulent above; Ivs. cuneate-obovate, or oval, pale and with scat- 

 tered glandular hairs beneath; fls. in dense, sessile, lateral clusters of 6 to 12; cor. 

 oblong-cylindric ; anth. unawned. S. Car. to Fla, Sts. If high. Lvs. scattered, 

 1 .to 2' long, obtuse or acute, tapering to a short petiole. Berries small, pedicel- 

 late, globous, black. Mar., Apr. 



;S V. Caiiadense Eich. Branches reddish-green, pubescent, leafy; los. subses- 

 sile, elliptic-lanceolate or oblong, acute at each end, vittous beneath, tomentous on 

 the veins above, entire ; rac. fasciculate, sessile, subterminal ; cor. campanulate ; cal. 

 lobes acute. A shrub 8 to 12' high, not uncommon in rocky fields and thickets, 

 Can., Me., N. II. to Wis. and the 11. Mts. Lvs. 8 to 12" by 3 to 5". Fls. about 



