138 VACCINIACEAE. 



FAMILY 1. ERICACEAE. HKATH FAMILY. 



Shrubs, trees, or undershrubs. Leaves often persistent: blades com- 

 monly leathery. Flowers typically perfect. Calyx of 4-7 distinct or 

 partially united sepals. Corolla of 4-7 distinct or partially united petals, 

 sometimes slightly 2-lipped. Androecium of as many or twice as many 

 stamens as there are petals: anthers opening by pores, chinks, or valves. 

 Gynoecium of 2-7 united carpels. Fmit a capsule. 



1. XOLISMA Raf. Evergreen or deciduous-leaved shrubs or trees. Leaf- 

 blades entire or nearly so. Flowers in racemes, panicles, or clusters. Calyx- 

 lobes typically 5. Corolla subglobose or urceolate. Filaments unappendaged : 

 anthers awnless. Capsule with thick valve-margins. 



1. X. fruticosa (Michx.) Nash. Evergreen shrub 1-3 m. tall: leaves much 

 reduced toward the ends of the branches ; blades oval, obovate, or oblanceolate, 

 reticulate: corolla 3.5-5 mm. long, rounded at the base: capsules 4-4.5 mm. 

 long. Hammocks and pinelands. 



FAMILY 2. VACCINIACEAE. HUCKLEBERRY FAMILY. 



Shrubs or trees. Leaves alternate: blades simple. Flowers pertV.-t. 

 regular, solitary or variously clustered, drooping. Calyx of 4 or 5 sepals. 

 Corolla of 4 or 5 usually partially united petals. Amli-nri-ium of t\vi.<> 

 as many stamens as there are corolla-lobes. (Jynoeeimn of several united 

 carpels, the ovary wholly or partly inferior. Fruit a berry or a drupe. 



1. VACCINIUM L. Shrubs or small trees. Leaves mostly deciduous: 

 blades entire or slightly toothed. Flowers in racemes or clusters. Sepals 5. 

 Corolla ovoid, cylindraceous or campanulate-oblong. Stamens included: anthers 

 tubular at the apex, unappendaged. Berry globular, blue or black. 



1. V. Myrsinites Lam. Plant 3-6 dm. tall, bright-green: leaf-blades obovate to 

 elliptic, 6-12 mm. long, glandular-toothed: sepals obtuse: corolla 4-G nun. 

 long: berries 4-5 mm. long, black. Pinelands. BLUEHEKKY. 



Order PRIMULALES. 



Herbs, shrubs, trees, or vines. Leaves alternate or opposite, some- 

 times all basal. Flowers perfect or polygamo-dioecious, variously <Ii<- 

 posed. Calyx of several partially united sepals. Corolla of 2-several dis- 

 tinct or partially united petals. Androecium of as many stamens as there 

 are sepals, or petals, and sometimes accompanied by staminodia. ('< 

 cium of 4-6 united carpels, or rarely more. Fmit cap-nlar or dini'.i 

 or rarely an achene or utricle. 



Stylei distinct : fruit an nchene or utricle : ovule 1. Fnm. 1. ARUKRIACEAK. 

 Style* united : fruit capsular or drupe-like : ovules 



evernl. 



H<T). : ovules or seeds not Immersed : fruit rapsular. Fnm v PIMMI I.ACKAE. 

 Shrubs or trees : ovules or seeds Immersed : fruit 



drupe-like. 

 Stamlnodl* at the sinuses of the corolla-lobe*: 



fruit containing few or many seeds. Fam. 3. TIIEOPHBARTACEAB. 



Staminodia wanting: fruit containing a single 

 seed. Fam. 4. AKDISIACCAB. 



