198 ORDER 73. ERICACEAE. 



IV. PYROLi! 1i - i Pi'>wer racemed, many. Her' s nearly acanlescent PTKOLA. 26 



t Flowers nmbelled, few. Stems ascending. Style very short CHIMAPHII.A 27 



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



< Capsule 3-celled SHORTIA. 29 



V. t GALAUINE./E. Anthers 5, one-celled. Capsule 3-celled. Scape spicate GALAX. 30 



VX MONOTROPEvE. H Corolla polypetalous. Plant white, reddish or tawny MONOTROPA. 31 



Corolla monopetaloug, r campanulate, in a short spike..,.ScnwKi.viTziA. 32 

 r ovoid, in a loose raceme PTEKOSPOKA. S3 



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

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

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

 Berry drupe-like, globular, 10-celled, 10-seeded. 5 5 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, crennlate No. 1 



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



t G . bracliycera (Michx). Boa: H. Lvs. oval to ovate, thick and firm ; rac. dense, 

 led. very short ; cor. short-ovoid ; berries light blue. Reeky hills. Pa. to Va. : rare. \(. 



t G. dumosa T. & G. Minutely hairy and glandular ; Ivs. obovate-oblong, mvtronate ; 

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



$ G. reslnosa T. & G. Stack If. Branches ashy ; Ivs. oval to lince-obl. ; 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- 

 glancons 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. 361. 



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 QO-seeded. 5 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) 



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



a r naments 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. uliji'inosum L. Bilberry. Procumbent; Ivs. obovate, obtuse, dull, glaucous 



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



2 V. caespitosum MX. Bilberry. Dwarf, caegpitons ; Ivs. obovate, attenuate at the 



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

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



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



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

 with the long tubes exserted. Dry woods. 2 3f. Fruit greenish-white. May, June 



4 V. arboreuni MX. Lvs. obovate, acute at base, mucronntc, veiny, shining above 



