ERICACEAE. 7 5 



arating at length from the lO-valved endocarp. [Greek fc ground or low Daphne.] 

 A monotypic genus. 



i. Chamaedaphne calyculata (L.) Moench. LEATHER-LEAF. DWARF 

 CASSANDRA. (I. F. f. 2772.) Leaves oblong or oblanceolate, densely covered on 

 both sides with minute scurfy scales, at least when young, 1.2-3.5 cm - lon g tne 

 margins obscurely denticulate; upper leaves gradually smaller, the uppermost 

 reduced to floral bracts; pedicels 2 mm. long or less; corolla about 6 mm. long; 

 capsule 4 mm. in diameter, about twice as long as the ovate sepals. In bogs and 

 swamps, Newf. to Alaska, N. J., Ga., 111., Mich, and Br. Col. Also in Europe and 

 Asia. April-June. 



16. OXYDENDRUM DC. 



A tree, with alternate petioled deciduous sour leaves, and numerous white 

 flowers, in terminal panicled racemes. Pedicels 2-bracteolate. Sepals 5, slightly 

 imbricated in the bud, persistent. Corolla ovoid-cylindric, minutely canescent, 

 narrowed at the throat, tardily expanding, 5 -toothed. Stamens 10; filaments wider 

 than the linear anthers; anther-sacs opening by long chinks. Ovary ovoid, 5 -ceiled, 

 ovules numerous, near the base of the cavities; stigma simple. Disk lo-toothed. 

 Capsule ovoid-pyramidal, 5 -angled, 5-valved. Seeds ascending or erect, elongated, 

 the testa reticulated, loose and extended at each end beyond the linear nucleus. 

 [Greek, sour-tree.] A monotypic genus. 



i. Oxydendrum arboreum (L.) DC. SOUR-WOOD. SORREL-TREE. (I. F. 

 f- 2 773) A smooth-barked tree. Leaves oblong, oval or oval-lanceolate, sharply 

 serrulate, or entire, green and glabrous, finely reticulate-veined, acuminate, 1-1.5 

 dm. long. 2.5-7.5 cm. wide; racemes long and slender, erect or curving, panicled, 

 the rachis and short pedicels canescent; flowers 6-8 mm. long; capsule 4-6 mm. 

 long, canescent, tipped by the persistent style, the pedicels curving. In woods, Ohio 

 and Penn. to Va., Fla. and Miss. June- July. 



17. EPIGAEA L. 



Prostrate slightly woody branching shrubs, with alternate evergreen entire 

 leaves. Flowers rather large, perfect, heteromorphous or dioecious, bracted, sessile, 

 white or pink, fragrant, clustered at the ends of the branches. Sepals 5, oblong, 

 persistent, dry, much imbricated. Corolla salverform, the limb 5-lobed (rarely 4- 

 or 6-lobed). Stamens 10; filaments filiform; anthers attached to the filaments 

 below the middle. Disk lo-lobed. Ovary ovoid, hirsute. 5-lobed, 5 -celled; ovules 

 numerous; style columnar; stigma 5-lobed. Capsule depressed globose, hirsute," 

 slightly 5-lobed, at length loculicidally 5-valved. [Greek, on the earth.] Two 

 species, the following of eastern N. Am., the other of Japan. 



i. Epigaea repens L. TRAILING ARBUTUS. MAYFLOWER. GROUND LAU- 

 REL. (I. F. f. 2774.) Twigs hirsute; branches 1.5-4 dm. long. Leaves oval or 

 nearly orbicular, thick, cordate or rounded at the base, mostly glabrous above, 

 hirsute beneath, green both sides, 2.5-7.5 cm. long, 12-35 mm - wide; petioles 

 hirsute, 0.6-5 cm> ' on g! flowers 10-16 mm. long and nearly as broad when expand- 

 ed: corolla-tube somewhat longer than the sepals. In sandy or rocky woods, 

 Newf. to the N. W. Terr., Fla., Ky. and Mich. Often forms patches. March-May. 



18. GAULTHERIA L. 



Shrubs, with alternate evergreen leaves, and small axillary, white, red or pink 

 flowers. Calyx 5-parted or 5 -cleft,, persistent. Corolla urn-shaped or campanu- 

 late, 5 -toothed or 5-lobed. Stamens 10, included, inserted at the base of the 

 corolla; filaments dilated above the base; anther-sacs opening by a terminal pore, 

 commonly awned. Stigma obtuse, entire. Disk lO-toothed. Ovary 5 celled, 5- 

 lobed. Calyx becoming fleshy and at length surrounding the capsule, forming a 

 berry-like fruit. [Named after Dr. Gaultier, of Quebec.] About 100 species, 

 mostly of the Andes. Besides the following, 3 others occur on the Pacific Coast. 



I. Gaultheria procumbens L. SPRING OR CREEPING WINTERGREEN. 

 CHECKERBERRY. (I. F. f. 2775.) Nearly glabrous, aromatic; stems slender, 

 creeping or subterranean; branches erect, 5-15 cm. high. Leaves mostly clustered 

 at the ends of the branches, oval, oblong or obovate, narrowed at the base, short- 



