Shrubs low, evergreen, heathlike, with crowded, narrow leaves and small, diclinous flowers. Calyx of 4 to 6, hypogynous, persistent, imbricated scales, the inner often colored. Stamens 2 or 3, pollen grains quaternate. Ovary free, 2 to 9-celled,

2 to 9-ovuled. Fruit fleshy, with as many 1-soeded nuts. Seed ascending, albuminous, radicle inferior.

Genera 3, species 4, natives of N. Europe, N. America and the Straits of Magellan. Properties, acidulous. The berries are nutritious.

Genera

* Stamens S. Stigmas 6 to 9-rayed. Berry 6 to 9-seeded.....................

ENPETRUM.

1

* Stamens 3. Stigmas 3 or 4, stylo slender. Drupe 8 or 4-seeded..........

COREMA.

2

* Stamens 2. Stigmas 4. Berry 2-seedcd. Shrub erect...................

CERATIOLA.

3

1. EM'PETRUM, Tourn. Crowberry. (Gr.Order CXVI Empetraceae Crowberries 1733 upon Order CXVI Empetraceae Crowberries 1734 a stone; from the places of its natural growth.) Flowers Order CXVI Empetraceae Crowberries 1735Order CXVI Empetraceae Crowberries 1736 . Perianth consisting of 2 series of scales, the 3 inner petaloid; Order CXVI Empetraceae Crowberries 1737 Stamens 3, anthers pendulous on long filaments. Order CXVI Empetraceae Crowberries 1738 Stigma subsessile, 6 to 9-rayed; drupe globular, with 6 to 9 seedlike nutlets. - Alpine undershrubs.

E. nigrum L. Procumbent branches smooth; lvs. imbricated, linear-oblong, obtuse at each end, nearly smooth, with a revolute margin. - A small, prostrate shrub, found on the granite rocks of the White Mts. of N. H., and the calcareous mountains of Vt. The stem is 1 to 3 or 4f long, much branched and closely covered all around with evergreen leaves, which are 2 or 3" long, half a line wide. Flowers very small, reddish, crowded in the axils of the upper lvs. Berries black, not ill-flavored. May, Jn.

2. CORE'MA, Don. (Oakesia, Tuckerman.) (Gr.Order CXVI Empetraceae Crowberries 1739 a broom; from the resemblance.) Flowers Order CXVI Empetraceae Crowberries 1740 , or . Perianth of 5 or 6

Order CXVI Empetraceae Crowberries 1741Order CXVI Empetraceae Crowberries 1742Order CXVI Empetraceae Crowberries 1743Order CXVI Empetraceae Crowberries 1744 bractlets, the 3 inner sepaloid. Order CXVI Empetraceae Crowberries 1745 Stamens 3, sometimes 4, with ex-serted filaments. Order CXVI Empetraceae Crowberries 1746 Ovary 3 or 4-celled; style filiform, 3 or 4-cleft, with narrow stigmas; drupe globular, minute, with 3 or 4 nutlets. - diffuse undershrubs. Lvs. linear.

C. Conradii Torr. Diffuse, very slender, glabrous; lvs. linear, revolute on the margin, coriaceous; fruit dry. - Sandy and rocky plains, here and there, from Can. ? Me. to N. J. Sts. If high, with a reddish-ash-colored bark, with short, verticillate branches. Lvs. evergreen, numerous, spiral or imperfectly verticillate, 3" long, linear, revolute. Fls. in terminal clusters of 10 to 15, with brownish scales and purple stamens and styles. - Plants withOrder CXVI Empetraceae Crowberries 1747 are less common than those with Order CXVI Empetraceae Crowberries 1748 or Order CXVI Empetraceae Crowberries 1749 . Mar., Apr.

3. CERATI'OLA, Mx. Sand-hill Rosemary. (A Latin diminutive, fromOrder CXVI Empetraceae Crowberries 1750 a horn; referring to the stigmas.) Flowers 8 . Perianth of 6 to 8 imbricated, concave, fimbriate scales, the two or 4 inner membranous. Order CXVI Empetraceae Crowberries 1751 Stamens 2, exserted, anthers 2-celled, roundish. Order CXVI Empetraceae Crowberries 1752 Ovary 2-celled; style short; stigmas 4 or 6, spreading, toothed; fruit a drupe with 2-sced-like nuts. - A shrub with verticillate branches, crowded, acerous lvs. and axillary, sessile fls.

C. ericoides Mx. - Hills or plains sandy or gravelly, Augusta, Ga. to Apalachi-cola, Fla. Shrub evergreen, 3 to 6f high. Young branchlets downy. Lvs. in close whorls of 3s and 4s, about 6" long, rigid, acute. Fls. lateral, stigmas purple. Fr. yellowish, small, astringent. Aug., Sept.