ZYGOPIIVLLACE^ — ZANXnOXYLACE^. 45 



capitate, ribbcil. Fruit a ref;nia, with 5 or 10 indeluscont 

 cocci. Seeds anatropous. Emhnjo preen, with foliaceous 

 cotvletlons. Herbaceous plants, with opposite, stipulate 

 leaves. 



GKNrs I. KALLSTR(E:\II.\. 



1. K. Maxima. Sf^ws procumbent, diffuse, trailing, pubescent. lA^aves 

 ' 'a itli 3, sometimes 4 pairs of IcaHois. 7.m_^<7.'; oblong, mu- 

 ue, pubescent beneath, tlic lerniinal one largest. Floio- 

 .ry, l-tlo\vered peduncles. C^/Zi/x persistent. Petals oh- 

 . le caly.x, wi'herinfj. Corn' gibbous below, tuberclcd. 

 Yellow. 4-. June — Sept. Introduced from the West Indies. Savan- 

 nah. 1-2 feet lonff. 



Ordeii XXVIU. Z.VNTHOXYLACEiE. 



rioircrs dicrcioiis or perfect, regular. Sepals 3-7, coher- 

 int: at the base. Petals as many as the sepals or none, rcsti- 

 valion twisteJ-convokite. Stamens as many or twice as ma- 

 ny as the petals. Filament dlsiinct. A7?//<rr.<f introrse. Ova- 

 ries as many as the sepals, or sometimes fewer, distinct or uni- 

 ted. Fntit of several drupes, or baccate or membranaceous, 2- 

 5-celled, sarcocarp tlcshy, separable from the endocarp. Seeds 

 anatropous, solitary or in pairs, pendulous. Embryo lying 

 within fleshy albumen. Trees or shrubs, usually with 

 prickles. 



Ge-M's I. Z.\NTIIOXYLUM. 



Diopcious. Sepals usually 5, .small, united at the base. 

 Corolla none. Stamens 3, 5. 6 or 8, those of the pistillate 

 flowers rtidimentary. Pistillate flowers sometimes with a 

 corolla. Styles 2, 3 or 5, and ovaries as many. Carpels 

 crustaceous in fruit, 2.valved, l-2.seeded. Seeds black, 

 shining and globose when solitary, hemispherical when in 

 pairs. 



1. Z. AMEnicAXUM. (Z. Clf7vf7, Hernilis of Linn.) A shrub with the 



hranrhes nrrnfd wiih strong stipular prickles. Ij:nves pinnate. Leaflets 



nearly sessile, more or less pubescent. /7o»/rr.s- in axillary 



I. Prieklij ash. Toothacfie bu<h. 



Greenish. Ij. April — ^lay. 



'*'. Z. r I'M. (Z. Tricnrpinm of EU.) A small tree, with nu- 



mprousi 'nnrh*>«, bark with prickles, /.ff/tr.s pinnate, alternate, 



'ets oblitjijtly 1;: • ;te, serrulate, glabrous, shining above. 



u»r» in lerniinal - /■«■ minute. /*f^«/.-<- long-oval, longer than 



tiie sepals. S/'/mr/i 5, but variable, ^^tijlea 2-3 incurved. Capsule 



1-aeoded. /^arf» ai. . . . very jiungent to the ta.<»te. Prickly Ash. 



June. On the coast of Car.Geo &, Florida. 12-20 feet. 



Genus II. PTELEA. 

 DifPClocs. Sepals 4, united at the base. Petals 4 spread. 



