IW; KLTACK.i:. (la K KAMII.V.) 



Ordeii ni. KUTACE/E. (Rric Family.) 



Herbs, sliruhs, or trees, Avith cxstipulate simple or eomi>ounrl dotted 

 leaves, and regular hypogynous perfect or unisexual (lowers. — Sepals aud 

 petiils 3- J. .Stamens iis many or twiee as many as the sepals. Ovaries 

 2 - 5, distinct or united, stipitate or sessile on a glandular disk. Styles 

 mostly united. Fruit eonunonly eomiHJsed of .separate 1 -celled 2-valved 

 carpels. Embryo straight or curved, mostly in llesliy albumen. 



1. ZANTHOXYLUM, L. Pkkkly Ash. 



Flowers monoecious or iliiccious. Sepals and petals 3-5. Stamens .*}-'). 

 Ovaries 2-5, sessile or stipitate, 2-ovuled. Carpels 2-valved, 1 - 2-.sccded. Seed 

 smooth and shining. — Trees or shrubs, commonly armed with stipular prickles. 

 Leaves une(puxlly pinnate, the leaflets punctate with pellucid dots. Flowers 

 small, greenish. 



1. Z. Carolinianvuu, Lam. (Toothache-Tree.) Smooth; branches 

 and commoidy the petioles armed with long prickles ; leaves alternate, 7-9- 

 foliolate; leaflets ovate-lanceolate, crenate-serrulate, unequal-sided, siiining above; 

 ))aniclcs terminal; stamens 5; carpels 3, nearly sessile. — Var. 1'ri;ticosum, 

 Gray. Shruhhy ; leaves shorter, ovate or oblong, more strongly crenate ; ova- 

 ries always two. — Dry soil near the coast, Florida to North Carolina, and west- 

 ward. June. — A small tree, with the jjungcnt bark armed with warty prickles. 



2. Z. FloridanUJIl, Nutt. (Satin-Wood.) Branches and petioles un- 

 armed; leaflets 5-7, ovate-lanceolate on the fertile plant, and elliptical, obtuse 

 or emarginatc on the sterile, slightly crcnulate, and like the cymose panicle stel- 

 late-pubescent ; stamens 4- 5; carpels 1 - 2, obovate, stipitate; seed solitary, 

 obovatc, black and shining. — South Florida. — Leaves l'-2' long. Cyme 

 sessile, divided into three primary branches. Flowers minute. 



3. Z. Pterota, H. B. & K. Smooth ; branches zigzag, armed with short 

 curved prickles ; petiole Avinged, jointed ; leaflets 7-9, small, obovate, coria- 

 ceous, ci-enate above the middle, sessile ; flowers in axillary clusters, which are 

 single or by pairs, as long as the first joint of the petiole ; stamens 4 ; ovaries 

 2 ; caqx-'ls solitary, globose, pitted, distinctly stipitate. — South Florida. — Leaf- 

 lets I' - I' long, those on the fertile plant narrower and smaller. Carpels sniall, 

 dotted. 



2. PTELEA, L. Ilor tree. 



Flowers polygamous. Sepals and petals 4-5, imliricated in the bud, deeidu* 

 ous. Stamens 4 - 5. Ovary 2-cclled, with two ovules in each cell. Style short. 

 Stigma 2-lobed. Capsule 2-ccllcd, 2-.«eedcd, surrounded by a broad circular 

 reticulated wing. — Unarmed shrubs, with trifoliolate leaves, and small greenish 

 flowers in a terminal cyme. 



1 . P. trifoliata, L. Pubescent ; leaves long-petioled ; leaflets oval or 

 oblong, mostly acute, obscurely crcnulate, paler bcueath, the lateral ones unequal- 



