22 



CONVOLVULACEAE. 



[Vol. III. 



4. QUAMOCLIT Moench, Meth. 453. 1794. 



Twining herbaceous vines, with petioled entire lobed or piunately parted leaves, and 

 cymose racemose or solitary peduncled axillary flowers. Sepals 5, herbaceous, equal, 

 acuminate, mucronate or appendaged. Corolla salverform (scarlet in the following species), 

 the tube narrow, somewhat dilated above, shorter than the spreading 5-lobed limb. Sta- 

 mens and style more or less exserted; stigma capitate; ovary 2-celled or falsely 4-celled, 

 4-ovuled. Fruit usually 4-celled and 4-seeded. [Greek, dwarf kidney-bean.] 



About 10 species, of warm aud tropical regions, only the following in North America. 

 Leaves pinnately parted into very narrow segments. i. Q. Quamoclit . 



Leaves cordate, acuminate, entire or angulate-lobed. 2. Q. coccinea. 



i. Quamoclit Quamoclit (L.) Britton. Cypress Vine. Indian Pink. (Fig. 2943.) 



Ipomoea Quamoclit L. Sp. PI. 159. 1753. 



Q. vulgaris Choisy in DC. Prodr. 9: 336. 1845. 



Annual, glabrous; stem slender, twining to a 

 height of io-2o. Leaves ovate in outline, 

 petioled, or nearly sessile, 7. , -'] f long, pinnately 

 parted nearly to the midvein into narrowly 

 linear entire segments less than 1" wide; pe- 

 duncles slender, commonly much longer than 

 the leaves, 1-6 flowered; pedicels i / long or 

 more, thickening in fruit; sepals oblong, obtuse, 

 usually mucronulate, t."-^" long; corolla scar- 

 let, salverform, \'-\ l / 2 f long, the tube expanded 

 above, the limb nearly flat, the lobes ovate, 

 acutish; stamens and style exserted; ovary 4- 

 celled; ovule 1 in each cell; capsule ovoid, 4- 

 valved, about 5" high, twice as long as the sepals. 



In waste and cultivated ground, Virginia to Flor- 

 ida, Kansas and Texas. Sparingly escaped from 

 gardens farther north. Naturalized from tropical 

 America. July-Oct. Called also American Red 

 Bell-flower and Sweet William of the Barbadoes. 



2. Quamoclit coccinea (L,.) Moench. 



Small Red Morning-glory. (Fig. 2944.) 



Ipomoea coccinea L. Sp. PI. 160. 1753. 

 Quamoclit coccinea Moench, Meth. 453. 1794. 



Annual, glabrous, or puberulent, stem twin- 

 ing to a height of several feet or trailing. 

 Leaves ovate to orbicular, deeply cordate, 

 long-acuminate, 2 / -6 / long, entire or angulate- 

 lobed, slender-petioled; peduncles few-several- 

 flowered, usually not longer than the leaves; 

 sepals oblong, obtuse, about 2" long, subulate- 

 appendaged; corolla salver- form, io // -2o // 

 long, the limb obscurely 5-lobed; stamens and 

 style slightly exserted; ovary 4-celled with 1 

 ovule in each cell; capsule globose, 4-valvcd, 

 3 // -4 // in diameter. 



Along river-banks and in waste places, southern 

 Pennsylvania to Florida, west to Ohio, Missouri, 

 Texas and Arizona. Naturalized from tropical 

 America, or native in the Southwest. A hybrid 

 of this species with the preceding is sometimes 

 cultivated. July-Oct. 



5. IPOMOEA L. Sp. PI. 159. 1753- 

 Twining trailing ascending or rarely erect herbs, annual or perennial, with large showy 

 axillary solitary or cymose flowers. Sepals equal or unequal. Corolla funnelform or cam- 

 panulate, the limb entire, 5 angled or 5-lobed, the tube more or less plaited. Stamens equal 

 or unequal, included; filaments filiform, or dilated at the base; anthers ovate, oblong, or 

 linear. Ovary entire, globose or ovoid, 2-4-celled, 4-6-ovuled; style filiform, included; 

 stigmas 1 or 2, capitate or globose. Capsule globose or ovoid, usually septifragally 2-4-valved, 

 2-4-seeded. [Greek, worm like.] 



About 350 species, of wide geographic distribution. Besides the following, some 25 others 

 occur in southern and western North America. Known as Morning-Glory or False Bindweed. 



