482 Order 73.— ERICACEAE. 



§ Anthers 2-nwnod back of tho 2 horns. Leaves deciduous, (a) 



n, Filaments smooth. Fr. 4 to 5-celled. Low al])ine undershrubs Nos. 1, 2 



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



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



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



b Leaves evergreen. Flowers 5-parted. Fruit partly 10-ccllcd 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 sr t Nos. 9 — 1 1 



C Corolla ovoid, evidently contracted at tho mouth Nos. 1 1 — 13 



1 V. uliginosum L. Bilberry. Frocumbent ; lvs. obovate, very obtuse, 

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

 axillary; cor. ovoid-globous, i-clefl; anth. 8, with 2 slender awns. — A low, alpine 

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

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

 as long as tho leaves, subscssile, sometimes 2 together. Ferries oblong, deep blue, 

 crowned with tho style. ,Tn., Jl. 



2 V. caespitdsum Mx. Bilberry. Dwarf, crespitous ; lvs. obovate, attenuate 

 at tho base, thin, serrate, reticulate with veins, shining ; ped. subsolitary, 1-flow- 

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

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

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

 blue, eatable. 



3 V. starnineiim L. Deereerry. Lvs. oval-lanceolate, acute, dull, glaucous 

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

 acute, oblong; anth. 10, with tho 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 tho stylo. Berries large, greenish white, bitter. Hay, Jn. 

 (V. clevatura Banks.) — Varies with the 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, mucronato 

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

 besccnt 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 

 onlarged to lvs. in fruit.) 



5 V. Vitis-Iclaea L. Decumbent, much branched, smooth, evergreen ; lvs. oval, 

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

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

 Mts. N. H., also rocky hills, E. Mass. and Me. Sts. 3 to 6' 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; lvs. small, elliptical, acuto at each 

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

 lato ; 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. myrtifolmm Mx. Si. simple, decumbent at base, from long, creeping roots ; 

 bark green, puberulent above ; lvs. cuneate-obovate, or oval, palo and with scat- 

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

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

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

 late, globous, black. Mar., Apr. 



8 V. Canadense Rich. Branches reddish-green, pubescent, leafy; lvs. subscs- 

 sile, elliptic-lanceolate or oblong, acute at each end, villous beneath, to-mentous on 

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

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

 Can., Me., j*. IT. to Win. and tho It. Mts. Lvs. 8 to 12" by 3 to 5". Fls, about 



