KMPETRACE^. 3S7 



EMPETRUM. 



3. E. PLATYPHY LLA. L. E. obtusata. P. 

 Erect ; leaves alternate, sessile, spathulate, serrulate, smooth ; umhil 'i-rayed, 



Ta.ys twice dlchotomous; floral leaves ovate, siibcordate, somewhat obtuse; 

 capsules inuricate. Grows in waste grounds. Stem 12 — IS inches high. 

 July, Aug. Per. 



* * Heads not umbellate. Leaves opposite. 



4. E. hypericifo'lia. 



Stem smooth, branching, nearly erect, branches divaiicate-spreadintr; lenrcs 

 opposite, oval-oblong, serrate, sub-falcate; corymbs terminal. A slender, 

 branching plant, found in dry and rich soils. Stem 10 — 20 inches high, 

 usually very smooth, the branches often pubescent. Leaves tripli-nerved, 

 marked with oblong dots and blotches, ciliate, 6 — 12 lines long, and ^ as wide, 

 oblique, on very short petioles. Corymbs of small white heads, terminal and 

 axillary. July, Aug. Ann. Spurge. Eye-bright. 



5. E. macula'ta. 



Procumbent; branches spreading; leaves serrate, oblong, hairy; flmce.rs 

 axillary. A prostrate plant, spreading flat npon the ground, in sandy fields. 

 Stem (j — 12 inches in lengtli, much branched, hairy. Leaves opposite, 3 — (J 

 lines long and i as wide, oblong, obtuse, serrulate, smooth above, often spotted 

 with dark purple, the margin ciliatc, pale and hairy beneath, on short stalks. 

 Heads of flowers small, crowded near the summit, involucre minute, white. 

 July— Sept. Ann. Spotted Siturge. 



6. E. polygonifo'lia. 



Procumbent; /enzjcs entire, lanceolate and oblong, obtuse atha.se; jftowers 

 in the axils of the branches, solitary. Sea shores. A very smooth, succulent, 

 prostrate plant, with milky juice. Stems 6 — 10 inches long, dicholoniou.>-, 

 procumbent. Leaves oblong and linear-lanceolate, sessile or nearly so, rarely 

 cordate at base. Stipules subulate and simple. Flowers small, in the forks 

 of the stem. June, July. Ann. Knot-grass Spurge. 



7. E. Ipecacua'xha. 



Procumbent or suberect, small, smooth ; leaves opposite, obovate and 

 lanceolate; peduncles elongated, axillary, 1-flowered. Sandy soil. Root 

 p'^rennial, verj long. Stem thick and succulent, 3 — H inches long. Leave.s 

 sessile, varying from obovate to linear. Flowers solitary. Peduncles uj 

 lono- as the leaves. June. 



ORDER CXXIV. EMPETRACEJ:. The Crowberry Tribe. 



F!s. — DicBcions. Cni. nniisisting; of hypofrynous, imbricated scales. 



•S'n. — Equal in number to the inner sepals and altenuite with them. 



(^vn. — 3 — 9-celled, with a single erect ovule in each cell. 



Stylei. short or 0. Stigmas lobed and otien lacerated. 



•/'V. — Drupe sealed in the persistent calyx, containing 3 — bony nucules. 



Small, everg:reen, heath-like shrubs. Leaves exstipulate. Flowers minute, axillarv. 

 They are acrid, but of no known use. 



E M P E' T RUM. 

 Flowers dioecious. Perianth cons^istini,' of 2 scries of 

 pcpaloid scales. Slerilcjl. — Stamens 3, anthers pendulous on 

 long filaments. Fcrlile jl. — Styles 3—9, very short, erect, or 

 0; stigmas oblong, radiate-spreading; drupe globose, 1 -celled ; 

 seeds 3 — 9. 



Gr. iv, upon, 7r£Tgo«, a stone ; from the places of its natural growth. 

 DD 



