236 THE FLORA. 



Analysis of tfie Genera. 



§ Shrubs or trees, or shrublets 2 



§ Herbs evergreen, with green herbage and leaves m 



§ Herbs leafless, without verdm-e. Bracts scale-like n 



2 Calyx adherent, crowning the berry in fruit. . . .a 



2 Calyx free from the ovary, or inferior 3 



8 Petals united into a gamopetalous corolla 4 



3 Petals entirely or very nearly separate and distinct. . . .5 



4 Flowers 4-parted. Stamens 8 b 



4 Flowers 5-parted. Stamens 5 or 10. . . . 



5 Pods 2 or 3-celled, cells only 1-seeded. Southern k 



5 Pods 3-celled, cells many-seeded g 



5 Pods 5 or 7-celled, cells many-seeded h 



6 Corolla urn-shaped (oval or globular), lobes small c 



6 Corolla not urn-shaped, open or spreading e 



a Erect shrubs with 5-parted flowers and 10-seeded berries. 



Huckleberries. Gaylussa'cia. 

 a Erect shrubs with 5-parted flowers and oo-seeded berries. 



Blueberties. Vaccin'ium. 

 a Trailing shrublets. Corolla 4-cleft, reflexed. Fr. red. Cranberry. Oxycog'cus. 1 

 a Trailing shrublets. Corolla 4-cleft, spreading. Fruit white. 



Boxberry. Chiog'enes. 2 

 b Leaves linear-acerose, whorled or crowded. Cultivated. Heath. Eu''ica. 



b Leaves oval-lanceolate. Shrub, 4f. high. Penn. S. ) ^^^^^^^.^^^^^^^^_ Mekzie'sia. 

 c Pod dry, opening bet. the cells. Lvs. lin. N. ) 



c Pod dry, opening into the cells d 



c Drupe fleshy, 5-seeded. Shrubs trailing. Bearberry. AncT0STAPH''TL0S. 

 c Berry fleshy, many-seeded. Little shrublets. ChecJcerberry. Gaulthe''ria. 8 

 d Shrublet moss-like, on high Mts. Leaves linear. Moss Andromede. Cassi''ope. 

 d Shrubs with ample leaves. Pod-valves entire. Andromede. ANDKoii''EDA. 



d Tree with ample leaves and slender racemes. Sorrel-tree. OxYDEN^DRuar. 



e Corolla saucer-form, holding the anthers in 10 pits. Laurel. Kal'mia. 4 



e Corolla salver-form, very fragrant. Trailing. May-flower, Epig^''a. 5 



e Corolla funnel or bell-form, with spreading lobes f 



f Stamens 5, included. Plant and leaves very small. Mts. N. H. Leioseleu'kia. 

 f Stamens 5 (rarely more), long-exserted. Corolla funnel-form. Aza''lea. 6 



f Stamens 10 (rarely fewer), exserted. Corolla bell-form. Bay. Khododen''dron. 7 

 g Leaves alternate, deciduous, serrate. Flowers racemed. Cle^thra. 



g Leaves mostly opposite, evergreen, entire. Flowers umbeled. 



Sand Myrtle. Leiophyl' lum. 

 h Flowers 5-parted. Corolla regular. * Labrador Tea. Le'dtjm. 



h Flowers 5-parted. Corolla irregular. Khodo^ra. 



h Flowers 7-parted, regular. Stamens 14. S. Befa'ria. 



