482 OBDER 73. ERICACEAE. 



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



a Filaments smooth. Fr. 4 to 6- wiled. Low alpine undershrubs Nos. 1, 2 



a Filaments hairy. Fruit partly 10-celled. Taller (2 to 2()f high.) Nos. 8, 4 



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



b Leaves evergreen. Flowers 4-parted. Fruit 4-celled No. 5 



b Leaves evergreen. Flowers 5-|irti-d. Fruit partly 10-cellcd Nos. 6, 7 



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



O Corolla bell-shaped. Leaves hairy both sidos, entire. No. 8 



C Corolla cylindrical. Loaves smooth or nearly so Nos. 9 11 



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



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

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

 axillary; cor. ovoid-globous, 4-ckfl; anth. 8, with 2 slender awns. A low, alpine 

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

 petiolate, crowded near tho ends of the branches, and of a bluish-green. Fls. half 

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

 crowned with the style. Jn., Jl. 



2 V. caespitosum MX. BILBERRY. Dwarf, ca3spitous ; Ivs. obovato, attenuate 

 at the bas?, thin, serrate, reticulate with veins, shining ; ped. subsolitary, 1-flow- 

 ered; cal. very short ; cor. oblong, suburceolate, 5-tooihed; stum. 10. White Mts. 

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

 on short pedicels. Anth. with 2 long awns at tho back. Berries largo, globous, 

 blue, eatable. 



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

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

 acute, oblong; anth. 10, with tho long tubes cxserted 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 tho slender 

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

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

 (V. clovatum Banks.) Varies with tho leaves beneath nearly whito to green, 

 smooth to pubescent, and with smaller flowers. 



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

 and glandular-serrulate or entire, veiny, shining above, palo 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, palo beneath ; fls. soli- 

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

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

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



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

 end, glabrous, serrulate ; fls. 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. inyrtifolium 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 G to 12; cor. 

 o\)long-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. 



8 V. Canadensc Rich. Branches reddish-green, pubescent, leafy; Ivs. snbses- 

 sile, elliptie-lanceolato or oblong, acute at each end, villous 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 tho 11. Mts. Lvs. 8 to 12" by 3 to u". Fls. about 



