EUTACE^. (^EUE FAMILY.) 75 



2-5 pistils separate or combined into, a compound ovary of as many eell», 

 raised on a prolongation of the receptacle (gynophore') or glandular disk. — 

 Embryo large, curved or straight, usually in fleshy albumen. Styles com- 

 monly united or cohering, even when the ovaries are distinct. Fruit usu- 

 ally capsular. Leaves alternate or opposite. Stipules none. — A large 

 family, chiefly of the Old World and the Southern hemisphere ; the Proper 

 Rutacece, represented in gardens by the Rue (Ruta gravbolens, L.), are 

 mostly herbs ; while our two genera,- of trees or shrubs, belong to what 

 has been called the order Zanthoxylacece, but are not distinct from tlie 



lyiosmece, 



• 



1. ZANTHOXYIiUM, Golden. Pkicklt Ash. 



Flowers dioecious. Sepals 4 or 5, obsolete in one species. Petals 4 or 5, im- 

 hricated in the bud. Stamens 4 or 5 in the sterile flowers, alternate with the 

 petals. Pistils 2-5, separate, but their styles conniving or slightly united. 

 Pods thick and fleshy, 2-valved when ripe, 1 - 2-seeded. Seed-coat crustaceous, 

 black, smooth and shining. Embryo stiaight, with broad cotyledons. — Shrubs 

 or trees, with mostly pinnate leaves, the stems and often the leafstalks prickly, 

 Flowers small, greenish or whitish. (Name from ^av66s, yellow, and ^{ikov, 

 wood.) 



1. Z. Americannni, Mill. (Northeicn Pkicklt Ash. Tooxa- 

 ACHE-TBEE.) Leaves and flowers in aoallary clusters; leaflets 4-5 pairs and an 

 odd one, ovSte-oblong, downy when young ; calyx none ; petals 5 ; pistils 3-5, 

 with slender stylos ; pods short-stalked. — Kocky woods and river-banks ; com- 

 mon northward. April, May. — A prickly shrub, with yellowish-green flowers 

 appearing with the leaves. Bark, leaves, and pods very pungent and aromatic. 



2. Z. Carolinianiim, Lam. (Southbkn Pkiokly Ash.) Glabrous; 

 leaflets 3-5 pairs and an odd one, ovate or ovate-lanceolate, oblique, shining 

 above ; flowers in a terminal cyme, appearinjg after the leaves ; sepals and petals 

 5 ; pistils 3, with short styles ; pods sessile. — Sandy coast of Virginia, and south- 

 ward. June. — A small tree, with very sharp prickles. 



2. PTEL.EA, L. Shbubby Teefoil. Hop-teeb. 



Flowers- polygamous. Sepals 3-5. Petals 3-5, imbricated in the bud. 

 Stamens as many. Ovaiy 2-celled : style short ; stigmas 2. JPrait a 2-celled 

 and 2-seeded samara, winged all round, nearly orbicular. — SIn-ubs, with 3-foli- 

 olate leaves, and greenish-white small flowers in compound terminal cymes. 

 (The Greek name of the Elm, applied to a genus with a somewhat similar fniit.) 



1. P. trifoliiita, L. Leaflets ovate, pointed, downy when young. — 

 Eocky places, Penn. to Wisconsin and sonthward. June. — A tall shrab. Eruit 

 bitter, used as a substitute for hops. Odor of the flowers disagreeable ; but not 

 so much so as those of the 



AiiilNTHUs glanddl6su8, or Tkeb-of-Heaven, — a cultivated tree allied 

 to this family, — whose flowers, especially the staminate ones, redolent of any- 



