CONVULULACEJE. 125 



7. C. P.vxprRATTS. lioot larffc. Stem terete, nearly glabrous, youiiir 

 branches pulK'sceni. Ijeavrs cordate, entire «»r 3 lobed nuicronate pubes- 

 cent ; piHiiiiicies 1-5-flowered, stipulate. Corolla wiili the linib slitjlitly lobed- 

 Stiflr simple. Wild I'otaluc Vint. 



While and purple. %. May — Aug. In dry soils. 



8. C. > 'S. Stem twinini:, terete, glabrous. lAuives glabrous 

 sagittate ^^ . ;ruto, diverging auricles. Peduncles, axillary l-llowercd, 

 BoTitary, bracn-ute. i<ti^lf "i-clett. iScpsuU' 2-celIed. 



Furple. .'|. Through the surunier- On the coast. 



y. C. Rei'ens. iS/fiii twining, pubescent. L*ai« sagittate with obtuse or 

 tr . entire, pubescent, on long petioles. Peduncles axillary, sol- 



it ihickened tjwards the sunnnit, pubescent. Ca/yx bracteute. 



Ctr,..7.i Willi a l-iig tube, the limb obscurely 4-lobed. Stifle slightly 2-cleft. 



Ci'jifult 3-tt lit d. 



White, tinged with red. %. April — May. On the coast. 



10. C. TAMMFOLirs. Stem twining, terete, hairy. Leaves cordate, slight- 

 ly undulate, acuminace, entire with hairy margins, veins on the ui;der sur- 

 face murioai* . /Vohv rs in capitate clusters. Common pedun^ le, muricate, 

 hairy. C<j'_i/x viilons. Curoi/a small, 5toothed. .bVy/t' slightly 2-cleft. Cap- 

 «u/e 2-ctllcd. 



Blue. O- Aug. — Sept. Middle Georgia. 



Genus II. IPOINICEA. 



Resomliling the preceding genus. Stigma capitate globose. 

 Capsule 3-ccIled. 



1. I. < ' '^' • prostrate. Z-f^re.* orbicular, emarginate, coria- 

 ceou?, r. ; . . <; nedunclcs usually 3-flo\vered, partial pedun 

 cles, '■. SepaU ovate, slightly mucrunate. Corolla with a short tube. 



1 ..;,.. 1\. Through the summer. On the coast. 



2. I. Bona Sox. Stem prostrate, roughened, sometimes prickly. Leaves 

 c ' ""e, or auiiled ; peduncles 1-3-tlowered. Calyx awned. Cor- 

 (. !, Willi a long tube, large, w bite. Elliott. 



3. 1. C<><'ixEA. Stem iwiniuii. Leaver alternate, cordate, acuminate, 

 angled at tlic base; peduncles 3-5-flowered. Sepals awncd. Corolla sal- 

 ver 1 r:ii, limb } lai eJ. 



iitd. Q. June — Sept. Common. 



4. I. Tn'OT^f^AKrA. Stem twining, hairy, angled. Leaven cordate when 

 y 1 old ; villous, margins troqiientlv purple : peduncles 1-3- 

 t. Lis at each division. .Sr/x//.> oblong ciliate. Corolla pn- 

 bescent on the in.«jde near the base. Stifpna nloboie. Oi/;.<ufe 4-celled, hairy. 



Purple, or red. O July— Oct. In cultivated lands, common. 



5. I. Nil. Sfem twining hairy. Z^ire-.t cordate, the old ones 3-lobed, acu- 

 minate; p< iluncle* 1-3-flowereu ; segments of the calyx subulate, long, vil- 

 lous, t'oroila with the limb o!)Scurely 5-ani:lfd. Siifsma globose. 



While and Blue. O In cultivated lands common. August — Oct. 



6. I. DissErxA. Stem hairy. Leaver 7-lobed, glabrous, on pubescent pe- 

 tioles; seciiients sinuate; peduncles 1-flowered ; segments of the calvx oval. 

 CoroV ' , . 



areous soils, Georgia and Florida. Elliott. 

 Gexts III. CrSCUTA. 



CaltjT 4-c!ert. Corolla globose iirceolalc ; limb 4-.j cloft. 

 Stamens 5, inserted into the corolla. Stigmas 2. Capsule 

 2-cclled, 2 seeds in each cell, dehiscence transverse. 



11* 



