. ORDER LXIV. LORANTHACE.E. 339 



2. P. trjfo'ltum, (L.) Stem herbaceous, glabrous. Root nearly glo- 

 bose, pungent to the taste. Leaves as in the preceding ; leaflets 3 — 5, 

 lanceolate, without petioles. Flowers sometimes dioecious. Styles 3. 

 Fruit 3-celled. — Yellowish-green. If. April. Mountains. 



Dwarf Ginseng. Ground-nut. 



Order LXIIL— CORNA'CE^E. 



Calyx 4-toothed, minute, adhering to the ovary. Petals 4, 

 distinct, oblong, spreading, inserted with the calyx into an epigy- 

 nous disk ; aestivation valvate. Drupes baccate, with a 1 — 

 2-celled nucleus, crowned with the calyx. Seeds anatropous. 

 Flowers in cymes. Trees or shrubs, with an astringent bark. 



Gexus I.— COR'XUS. Tourn. 4—1. 

 (From cornus, a horn, in allusion to the hardness of the wood.) 



Stamens 4 — 5, with filiform filaments. Style sub-clavate. 

 Leaves entire, covered with appressed hairs. Dogwood. 



1. C. pamoula ta, (L'Her.) A shrub, with erect, glabrous branches. 

 Leaves ovate or lanceolate, acuminate, hairy beneath. Flowers in com- 

 pact paniculate cymes. Petals lanceolate. Drupes globose, depressed, 

 white or bluish-white. — White. ^ . May — June. 4 — 6 feet. 



2. C. stric'ta, (Lam.) A shrub, with opposite branches, glabrous, 

 red ; branchlets quadrangular. Leaves ovate-lanceolate, acuminate, en- 

 tire, nearly glabrous. Flowers in loose cymes. Petals ovate-lanceolate, 

 acute. Anthers blue. Fruit sub-globose, pale blue, with white pulp. 

 — White. ^. April. Common in swamps. 8 — 15 feet. 



3. C. asperifo'lia, (Mich.) A shrub, with erect pubescent branches. 

 Leaves oval, lanceolate, acuminate, scabrous above, tomentose beneath. 

 Flowers in fastigiate cymes, pubescent. Petals oblong-lanceolate, pu- 

 bescent. Anthers blue or purple. — White. ^ . June. In dry, sandy 

 soils. 4 — 10 feet. 



4. C. seri'cea, (L.) A shrub, with expanded branches. Leaves ovate, 

 acuminate, glabrous above, silky pubescent beneath. Flowers in de- 

 pressed woolly cymes ; teeth of the calyx lanceolate. Petals lanceo- 

 late, obtuse. Drupes pale blue. — Yellowish-white. ^ . June. Moun- 

 tains. 5 — 10 feet. 



5. C. flor'ida, (L.) A tree, with expanding branches, with hard, 

 close-grained wood, used in manufactures. Leaves opposite, ovate, lan- 

 ceolate, acuminate, entire, whitish beneath, pubescent when young. 

 Flowers in terminal heads. Involucre conspicuous, 4-leaved. Leaves 

 obcordate, nerved, white. Calyx tubular, 4-cleft. Petals 4, linear, 

 lanceolate. Drupe red. — Yellowish. ^ . March — April. In rich 

 6oils. Dogwood. 



Order LXIV.— LORANTHA'CE.E. 



Calyx attached to the ovary in fertile flowers ; in perfect 

 flowers double. Corolla 3 — 4 — 8 petals, distinct or adhering 

 to the base ; aestivation valvate. Stamens equal in number to 

 the petals and opposite them, or as many as the segments of 



