COXVOLVULACEAE. 



VOL. III. 



filiform; anthers ovate or oblong. Ovary entire, 2-celled; style 2-divided to the base, or 

 near it, each division deeply 2-cleft; stigmas linear-filiform. Capsule 2-celled, globose to 

 ovoid, 2-4-valved, i-4-seeded. Seeds glabrous. [Latin, unrolling.]. 



About 85 species, natives of warm and tropical regions. Besides the following, some 7 others 

 occur in the southern United States. Type species: Evolvulus nuininularius L. 



i. Evolvulus pilosus Nutt. Evolvulus. 

 Fig. 3427. 



Evolvulus argenteus Pursh, Fl. Am. Sept. 187. 1814. 

 Not R. Br. 1810. 



Evolvulus pilosus Nutt. Gen. i : 174. 1818. 



Perennial, densely silky-pubescent or villous ; 

 stems ascending or erect, 3 '-9' high, very leafy. 

 Leaves sessile, oblong, lanceolate or spatulate, 3"-9" 

 long, i "-3" wide, acute or obtuse at the apex, nar- 

 rowed at the base; flowers solitary and nearly ses- 

 sile in the axils ; peduncles 2-bracted at the base, 

 recurved in fruit, i"-2" long; sepals lanceolate, 

 acute or acuminate; corolla funnel form-campanu- 

 late, purple or blue, 3"-6" broad; capsule i$"-2" in 

 diameter, about as long as the sepals. 



On dry plains, North Dakota to Missouri, Nebraska, 

 Mexico and Arizona. May-July. 



3. QUAMOCLIT [Tourn.] Moench, Meth. 453. 1794. 



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

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

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

 the tube narrow, somewhat dilated above, mostly longer than the spreading s-lobed limb. 

 Stamens and simple 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 and tropical regions, only the following in North America. Type 

 species : Ipomoea coccinea L. 



Leaves pinnately parted into very narrow segments. 

 Leaves cordate, acuminate, entire or angulate-lobed. 



1. Q. Quamoclit. 



2. Q. coccinea. 



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



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

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

 Q. Quamoclit Britton, in Britt. & Brown, 111. Fl. 3 : 

 2.2. 1898. 



Annual, glabrous ; stem slender, twining to a 

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

 tioled or nearly sessile, 2 '-7' long, pinnately parted 

 nearly to the midvein into narrowly linear entire 

 segments less than i" wide ; peduncles slender, 

 commonly much longer than the leaves, i-6-flow- 

 ered; pedicels i' long or more, thickening in 

 fruit ; sepals oblong, obtuse, usually mucronulate, 

 2"-3" long; corolla scarlet, rarely white, salver- 

 form, I'-iY long, the tube expanded above, the 

 limb nearly flat, the lobes ovate, acutish ; stamens 

 and style exserted; ovary 4-celled ; ovule i in each 

 cell ; capsule ovoid, 4-valved, about 5" high, twice 

 as long as the sepals. 



In waste and cultivated ground, Virginia to Florida, 

 Kansas and Texas. Sparingly escaped from gardens 

 farther north. Naturalized from tropical America. 

 July-Oct. American red bell-flower. Sweet-william- 

 of-the-Barbadoes. Cupid's-flower. Red jasmine. 



3428. 



