198 ORDER 73. ERICACEAE. 



IV. PYROLE^E. s Flowers racemed, many. Herts nearly acaulescent PYROLA. 26 



Flowers umbelled, few. Stems ascending. Style very short CHIMAFHII.A. 27 



Flowers solitary (one only). t Capsule 5-celled MONESES. 28 



t Capsule 3-celled SHORTIA. 29 



V. T GALACINE^E. Anthers 5, one-celled. Capsule 3-celled. Scape spicate GALAX. 30 



VL MONOTROPE^E. u Corolla polypetalous. Plant white, reddish or tawny MONOTROPA. 31 



u Corolla monopetalous, v campanulate, in a short spike SCHWEINITZIA. 32 



v ovoid, in a loose raceme PTEROSPORA. 33 



1. GAYLUSSACIA, H. B. K. HUCKLEBERRY. Calyx adherent, 5- 

 tootlied. Cor. urceolate or campanulate, 5-cleft or toothed. Sta. 10. Auth. 

 awnless, the cells produced upward into tubular beaks opening at the apex. 

 Berry drupe-like, globular, 10-celled, 10-seeded. > > Leaves alternate. 

 Flowers in lateral, bracted racemes, white or reddish, small. Fruit black 

 or dark blue, sweet. May, June. 



Leaves evergreen, very smooth, with no resinous dots, crenulate No. 1 



Leaves deciduous, sprinkled with resinous dots beneath, entire Nos. 2 4 



1 G. bracliycera (Michx). Box H. Lvs. oval to ovate, thick and firm ; rac. dense, 



led. very short ; cor. short-ovoid; herries light blue. Rocky hills, Pa. to Va. : rare. If. 



2 G. dumosa T. & G. Minutely hairy and glandular ; Ivs. obovate-oblong, mucronate ; 



bracts persistent ; cor. short-bell-form ; ber. black, large, insipid. Me. to Fla. 1 2f. 



3 G. resinosa T. & G. Slack H. Branches ashy ; Ivs. oval to lance-obi. ; rac. 1-sided, 



deciduous bracts, ped. short as the fls. ; cor. 5-angled, contracted at mouth ; sty. exsert- 

 ed; fr. black, round, sweet and eatable, ripe in Aug. Thickets, Can. to Va., and W. 2f. 



4 G. frondosa T. & G. Blue Dangles. High Blueberry. Lvs. oblong-obovate, pale- 



glaucous beneath ; rac. loose, bracts deciduous, shorter than the ped. ; cor. egg-bell- 

 form ; berries large, blue, sweet and eatable, in Aug. Thickets, N. Eng. to La. 3 6f. 



2. VACCINIUM, L. BLUEBERRY. Calyx adherent, 5-toothed. Cor. 

 urceolate, campanulate or cylindric, limb 4- or 5-cleft, reflexed. Sta. 8 or 

 10, included. Anth. with 2 awns on the back, or awnless, the 2 cells pro- 

 longed into a tube opening at apex. Berry 4 or 5 (or partly 8-10)-celled, 

 cells oo-seeded. ^> J> Leaves alternate. Flowers solitary or racemous, 

 white or reddish, small. Fruit generally eatable. Fig. 90. 



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



a Filaments smooth. Fruit 4-5-celled. blue. Shrubs If or less Nos. 1, 2 



a nlaments hairy. Fruit partly 10-celled. Taller (2 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. 5 



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



b Lvs. deciduous. Fr. 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. 1113 



1 V. uliginosum L. BUberry. Procumbent; Ivs. obovate, obtuse, dull, glaucous 



beneath ; fls. solitary, axillary ; cor. ovoid-globous, 4-cleft ; stam. 8. White Mts. Jn., Jl. 



2 V. caespltosum MX. BUberry. Dwarf, ctespitons ; Ivs. obovate, attenuate at tho 



base, thin, serrate, reticulate with veins, shining; flowers subsolitary ; corolla oblong, 

 5-toothed : stamens 10. White Mountains. 23'. July. 



3 V. stain s ueuni L. Deerberry. Lvs. oval-lanceolate, acute, dull, glaucous beneath ; 



pedicels solitary, axillary, nodding; cor. bell-spreading, seg. acute, oblong ; anth. 10, 

 \viththelongtubesexserted. Dry woods. 2 3f. Fruit greenish-white. May, June. 



4 V. arboreiuii MX. Lvs. obovate, acnte at base, mucronate, veiny, shining above 



