184 CORNACE.E. (DOGWOOD FAMILY.) 



* Steins herbaceous. 



1. A. racernosa, L. (STIKENAKD.) Stem smooth, leafy, widely branched , 

 le.ives temately decompound ; leaflets large, broadly cordate, doubly serrate; 

 umliels very numerous, panic-led. Rich woods along the mountains. July. 



- Hoot thick, aromatic. Stem 3 -5 high. 



2. A. llispidu, Michx. Stem leafy, somewhat shrubby at the base, 

 bristly; leaves bipiunately compound; leaflets lanceolate-ovate, sharply ser- 

 rate ; umbels in naked peduncled corymbs. Mountains of North Carolina. 

 June - July. Stem 1 - 2 high. 



3. A. nudicaulis, L. Stem naked, short, bearing 3 loiig-peduncled um- 

 bels at the apex; leaf solitary, radical, long-petioled, ternately divided, tiie 

 divisions quinate ; leaflets oblong-ovate, acuminate, serrate. Mountains of 

 North Carolina, and northward. May. Root long and slender, aromatic. 

 Stem 1 high, much shorter than the leaves. 



* * Stems woody. 



4. A. spinosa, L. (HERCULES'S CLUB.) Stem simple, prickly ; leaves 

 very large, crowded at the summit of the stem, bipinuatcly compound ; 

 leaflets thick, ovate, crenate, glaucous beneath ; umbels in very large hoary 

 panicles. Swamps. July - August. Stem 10 - 15 high. 



2. PANAX, L. GINSENG. 



Calyx minutely 5-toothed. Petals and stamens 5. Styles 2-3. Berrv 

 fle.shy, drupaceous, 2-3-lobed, 2-3-celled. Low herbs, with naked stems, 

 bearing at the summit a single long-peduncled umbel of greenish flowers, 

 surrounded by a whorl of three 3 - 7-foliolate leaves. Berry red or greenish. 



1. P. quinquefolium, L. Root fusiform ; leaflets 5-7, obloug-obovate, 

 serrate, stalked ; styles 2, berry crimson. Rich woods along the mountains, 

 Georgia, and northward. July. Stem 1 high. Leaflets 2' -3' long. 



2. P. trifolium, L. Root globose; leaflets 3-5, lanceolate, serrate, 

 sessile ; styles 3 ; berry greenish. With the last. Plant 4' - 6' high. 



ORDER 69. CORNACE^E. (DOGWOOD FAMILY.) 



Trees or shrubs, with simple, entire or rarely toothed exstipulate 

 leaves, and perfect or polygamous flowers. Calyx coherent with the 

 1-2-celled ovary, 4 -5-toothed. Petals 4-5, valvate in the bud, 

 sometimes wanting. Stamens 4-10, inserted into the margin of the 

 disk that crowns the ovary. Ovules solitary, anatropous, pendulous. 

 Fruit a berry-like 1-2-celled, 1-2-seeded drupe. Embryo nearly 

 as long as the fleshy albumen. Cotyledons large and foliaceous. 



1. CORNUS, Tourn. DOGWOOD, CORNEL. 



Flowers perfect. Calyx 4-toothed. Petals and stamens 4. Stigma capi- 

 tate. Drupe 2-celled, 2-seeded. Shrubs or low trees. Leaves and branches 



