368 LXXVIII. ERICACE^. Vaccinium. 



Conspectus of the Genera. 



i Cor. urceolate. Erect undershrubs, . Vaccinium. 1 



< S segments reflexed. Oxycoccua. 2 

 f 0\'ary adherent to the calpc tube. ( Cor. deeply 4-cleft, I segments spreading. Chiogenes. 3 



f Berry the matured, fleshy caly.x. Seeds 00. . Gaultheria. 7 



(Drupe the matured ovary, S-seeded. . . . ArctostnphylusA 

 I opening betw. cells(septicidal, § 115, 1,2). Menziesia. 6 

 < < Sta. 10. Andromeda. 5 



Capsule (op'ng into the cells (loculicidal). <Sta. 8. Erica. 16 



Panthers free. Prostrate undershrub. Epigcea. 9 



Corolla salver-form, {holding the anthers in 10 pits. . . Kabnia. 10 



S Anth. opening by clefts. . Azalea. II 



Corolla funnel or bell-form. ( Anth. opening by pores. . Rhododendron.XZ 

 Shrubs 1 ^ Lvs. deciduous, serrate. C/e//!7a. 8 



verdant, ] t Caps. 3-celled. ^ Lvs. evergreen, entire. L«zop/2I/iiM»i. 14 



erect or Ovary | < regular. \ Capsule 5-celled Ledum. 15 



prostrate. I free. L Petals subdistinct, ^ very irreffular Rhodora. 12 



I Flowers racemed Pyrola. 17 



< Flowers solitary Moneses. 18 



f verdant, leaves mostly all radical. (Flowers corymbed Chimaphila. 19 



J ^ Flower solitary. . . Monolropa. 20 



1 4 Petals distinct. I Flowers racemed. . . Hypopitys. 21 



Herbs.. L destitute of leaves or verdure. (Petals united. Flowers racemed. . . Pterospora. 22 



Suborder 1. VACCIXEJ3. 



Ovary adherent to the tube of the calyx, becoming a berry or drupe- 

 like fruit. Shrubs with scattered leaves. 



1. VACCINIUM. 

 Calyx superior, 5-toothed ; corolla urceolate, campanulate or cyl- 

 iudric, limb 4 — 5-cleft. reflexed : stamens twice as many as the lobes 

 of the corolla, generally included ; anthers with 2 awns on the back, 

 or awnless : style erect, longer than the stamens ; berry invested with 

 the calyx, 4 or 5 (rarely 10)-celled, cells many-seeded. — Shrubs or 

 undershrubs ivith scattered Ivs. Fls. solitary or racemose.^ white or red- 

 dish. Fr. generally eatable. 



^ Flowers racemose. Corolla urceolate., ovoid or oblong-cyliJidric. 



1. V. REsiNosuM. Ait. Black Whorllebernj or Huckleberry. 



Branches cinerous-brown, villose when young ; Ivs. oblong-ovate or ob- 

 long-lanceolate, rather obtuse, entire, petiolate, with resinous dots beneath ; rac. 

 lateral, secund ; pedicels .short, subbracteolate; cm-, ovoid-conic, at length sub- 

 campanulate, 5-angled ; berries black. — This common shrub of our woods and 

 pastures is about 2f high, very branching. Leaves 1 — 2' long, \ as wide, rare- 

 ly acute, shining beneath with resinous patches and spots. Petioles 1" in 

 length. Flowers in lateral, dense, corymbose clusters, small, drooping. Corol- 

 las contracted at the mouth, greenish or yellowish-purple, longer than the sta- 

 mens but shorter than the style. Berries black, globose, sweet and eatable, ripe 

 in August. May. 



/?. Lvs. and berries covered with a glaucous bloom. 



y. Lvs. larger ; pedicels longer than the corolla. 



2. V. coRYMBosuM. (V. fuscatum. Ait.) Blue Bilberry. High Wiortle- 

 berry. — Floiverins: branches nearly leafless ; lvs. oblong-oval, acute at each 



end, mucronate, subentire, pubescent when young; rac. short, sessile; cm-. 

 ovoid-cylindrical. — A tall shrub, 4 — Bfhigh, growing in shady swamps and by 

 mud ponds. Branches few, the young ones green or purplish. Leaves smooth 

 on both sides except a slight pubescence on the veins beneath, tipped with a 

 glandular point, formed by the prolonged midvein. Flowers numerous, nod- 

 ding, generally appearing in advance of the leaves. Pedicels shorter than the 

 corolla.'^, with colored scales or bracts at base. Corolla large for the genus, pur- 

 plish-white, slightly contracted at the mouth. Stamens included. Style often 

 cx.'<erted. Berries "large, black, often with a tinge of purple, subacid. Jn. 



/?. 1 (V. dismorphum. Michx.) i^/^. and//-, much smaller; ca^. very obtuse ; 

 sty. exserted; berries black. — Grows with the other; Irequent! 



