482 ORDER 73. ERICACEAE. 



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



a Filaments smooth. Fr. 4 to 5-celled. Low alpine undershrubs TTos. 1, 2 



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



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



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



b Leaves evergreen. Flowers 5-parted. Fruit partly 10-celled Nos. 6, 7 



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



C Corolla bell-shaped. Leaves hairy both sides, entire No. 8 



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



C Corolla ovoid, evidently contracted at the 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, 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. half 

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

 crowned with the stylo. Jn., Jl. 



2 V. caespitosum MX. BILBERRY. Dwarfj casspitous; Ivs. obovate, attenuate 

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

 ered; cal. very short; cor. oblong, suburceolate, 5-toolhed; stam. 10. White Mts. 

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

 on short pedicels. Auth. with 2 long awns at tho back. Berries large, globous, 

 blue, eatable. 



3 V. Btaxnineum 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, Jn. 

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

 smooth to pubescent, and with smaller flowers. 



4 V. arboreum MX. Lvs. obovate, acuto 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 Lw seeds. May, Jn. {V. myrtilloides ? Ell. with tho 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 Whito 

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

 to 1" long, channeled along tho midvein above. Fr. small, mealy, sour. Jn., JL 



6 V. Myrsinites MX. Erect, much branched; Ivs. small, elliptical, acuto 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, X. 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 G to 12 ; cor. 

 o v olong-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. Cauadense Rich. Branches reddish-green, pubescent, leafy; Ivs. subses- 

 sile, elliptic-lanceolate 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. H. to Wis. and tho It. Mts. Lvs. 8 to 12" by 3 to 5". Fls. about 



