368 LXXVIII. ERICACEAE. Vaccinium. 



Conspectus of the Genera. 



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



< i segments reflexed. Ox'jcoccus. 2 

 Ovary adherent to the calvx tube. ( Cor. deeply 4-cleft, I segments Rpreading.C/iiog-ene*. 3 



f Berry the matured, fleshy calyx. Seeds 00. . Gaultheria. 7 

 I Drupe the matured ovary, S-seeded. . . . ArctostaphylusA 



< I opening betw.cells(septicidal,§ 115, 1,2), Menz/esm. 6 



(Corolla < \ Sta. 10. Andromeda. 5 



ovoid. I Capsule ' op'ng into the cells (loculicidal). J Sta. 8. Erica. 16 



panthers free. Prostrate undershrub. Epigtra. 9 



Corolla salver-form, (holding the anthers in 10 pits. . . Kalmia. 10 



CAnlh. opening by clefts. . Azalea. II 

 Corolla funnel or bell-form. ( Anth. opening by pores. . Khododendron.lS 



Shrubs j 1 4 Lvs. deciduous, serrate. C/e(/ira. 8 



verdant, 1 4 Caps.s-celled. ( Lvs. evergreen, entire. ie?op/!j/ZZuj». M 



erector Ovary I ( regular. ( Capsule 5-celled Ledum. 15 



prostrate. Lfree. I. Petals subdistinct, (very irresular Rhodora. 12 



I Flowers racemed Pyrola. 17 



< Flowers solitary Moneses. 18 



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



1 \ Flower solitarj-. . . Monotropa. 20 



I $ Petals distinct. (Flowers racemed. . . Hypopitys. 21 



Herbs.". Ldestitute of leaves or verdure. (Petals united. Flowers racemed. . . Pteroi-pora. 22 



Suborder 1. VACCINEiE. 



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- 

 indric, 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 with scattered Ivs. Fls. solitary or racemose, white or red- 

 dish. Fr. generally eatable. 



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



1. V. RESiNosuM. Ait. Black Wlwrtleberry or Huckleberry. 



Branches cinerous-brown, villo.se when young ; Us. oblong-ovate or ob- 

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

 lateral, secund ; pedicels short, subbracteolate; cor. 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, I 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. Lis. larger ; pedicels longer than the corolla. 



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

 berry. — Flowering brai^lies nearly leafless ; lvs. oblong-oval, acute at each 



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

 ovoid-cylindrical. — A tall shrub, 4 — 8f high, growing in shady swamps and by 

 mud ponds. Branches few, the j'oung 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 

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

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

 exserted. Berries large, black, often with a tinge of purple, subacid. Jn. 



p. 1 (V. dismorphum. ATichx.) Fls. and fr. much smaller; col. very obtuse ; 

 .Hv. exserted; berries black. — Grows with the other; irequent! 



