198 buuiacejK. (>iA]inKi: iamily.) 



1. R. aculeata, l^. Sjiiny ot unannod; leaves Hiuall, olwvatc, smooth, 

 coriaceous; liowcrs solitary, axillary; corolla (wliiti,-) liairy in tlu- throat, tlie 

 tuin' 2-3 tiiiK'S a.s long ;ui the calyx, the linih convolute in the huil. — South 

 Florida. — IJranches rigid. J^eaves 5"- 10" l<Jiig, rather longtM- than the .sul>- 

 iilate spreading .s])ij)os. Corolla 3" -4" long, i'ruit ovoid, as Luge as a pea, 

 about O-seudcd. Sinu.ses of the calyx hairy. 



17. CATESB^A, L. 



Calyx 4-toothed or 4-jjartLil. Corolla funnel sliaj)cd, 4-li)l)ed. Stamens 4, 

 iuserted ou the base of the corolla. Stigma 2-lol)ed. Berry 2-celled, mauy- 

 seedcd, the placeutie at the top of the partition. Seeds flat, imbricated. — 

 Spiny siirubs, with small thick opijosite leaves, and axillary whiti.sh Howers, 



1. C. parviflora, Swartz. Glal^rous; leaves oval or o1)ovate, mo.stly 

 shorter than tiie spiiie.s, the margins rov(dute; flowers sessile; corolla small 

 (4" loug), the tulKJ 4-angled ; berry globose. — Uahia Honda, South Florida 

 (Curliss). — Shrub 4° -8° high. 



18. PINCKNEYA, Michx. Geokcia Bark. 



Calyx oblong-obovatc, .5-l<d)ed, the lobes lanceolate, deciduous, or one of 

 them, in the outer flowers, often trausfornied into a large colored leaf. Co- 

 rolla tubular, hair\-, with five linear-oblong revolute lobes, slightly imbricated 

 in the bud. Stamens 5, exserted : autliers oblong. Stigma obtuse. Cajjsule 

 globose, papery, 2-celled, opening loculicidally at the apex, and at length sep- 

 ticidally to the base. Seeds numerous, in two rows, horizontal, membrana- 

 ceous, winged. — A shrub or small tree, with ])ubescent branches. Leaves 

 large, oval or oblong, acute, smoothish above, the lower surface, like the 

 terminal compound cyme, hoary-pubescent. Stipules linear, deciduous. 



1. P. pubens, Michx. — Marshy banks of streams in the pine barrens, 

 Florida to South Carolina. May -June. — More conspicuous for its ovate 

 pink-colored floral leaves, than for its purjdish spotted corolla. 



19. EXOSTEMMA, DC. 



Calvx ohovate or tubular ; the limb 5-toothed, persistent. Corolla tube 

 very long, terete ; the limb with five long linear recurved lobes, valvate in the 

 bud. Stamens 5, exserted. Style filiform, thickened above. Stigma obtuse 

 or 2-lobed. Capsule coriaceous, ovoid, 2-cclled, opening loculicidally at the 

 apex, and septicidally nearly to the base, many-seeded. Seeds circular, im- 

 bricated, winged. — Trees or shrul)s. Leaves opposite. Stipules solitar}-. 

 Flowers white or reddish. 



1. E. Caribseum, K. & S. Smooth; branches slender; leaves ovate- 

 lanceolate, acnniinnte; ])eduncles axillary, solitary, l-flowered ; corolla as 

 long as the leaves. — South Florida. — Shrub 6°- 12° high. Corolla 2' long, 

 fragr.ant. 



20, HOUSTONIA, Cronov. Bltette. 



Flowers tetrainerous, dimor])hous. Calyx 4-toothed. Corolla salver- or 

 funnel-form, 4-lobed, valvate in the bud. Stamens and styles long or short. 



