514 CONVOLVULACEAE 



I. Stylisma Raf. 



1. S. Pickeringii (M. A. Curtis) A. Gray. In dry pine-barrens: 



N. J. to N. Car., 111. to La. and Tex. 



N. J. Localized in the heart of the pine-barrens in Atlantic and 

 Burlington counties, — otherwise unknown. 



2. Quamoclit [Tourn.] Moench. 

 i. Q. coccinea (L.) Moench. Along river banks and in waste 

 places: R. I. to Fla., Ohio, Kan., Tex. and Ariz. Adventive 

 from further south. Very rare. 



Very rare as a scarcely persistent adventive. 

 Quamoclit Quamoclit (L.) Britton has been reported as an adventive. 



3. Ipomoea L. 



Ovary 2-celled; stigma entire or 2-lobed. 



Perennial from an enormous root; corolla 5-8 cm. long. 1. /. pandurala. 



Annual; roots fibrous; corolla 8-20 mm. long. 2. /. lacunosa. 

 Ovary 3-celled; stigmas 3; leaves cordate. 



Leaves entire; corolla 5-7 cm. long. 3. I. purpurea. 



Leaves deeply 3-lobed; corolla 2.5-4 cm. long. 4. /. hederacea. 



i. I. pandurata (L.) Meyer. In dry soil: Ont. to Conn., Fla., 



Mich., Kan. and Tex. 



Conn. Known only from western Litchfield Co., but not at great 

 elevations. 



N. Y. On L. I. and on S. I., Manhattan and the Bronx; reported 

 also from Westchester Co., unknown northward. 



N. J. Throughout the state, nowhere common, increasing west- 

 ward. 



Pa. Northampton, Bucks, Delaware and Chester counties. 

 A local species whose distribution is little understood. 



2. I. lacunosa L. In moist soil: N. J. to S. Car., 111., Kan. and 



Tex. 



N. J. Rare in Monmouth, Camden and Gloucester counties, other- 

 wise unknown. 

 Perhaps nowhere native in the local flora range. 



3. I. purpurea (L.) Roth. In waste places, usually escaping from 



gardens: N. S. to Fla., Ont., Neb. and Tex. Adventive 

 from Trop. Am. 

 Occasional as an established escape from gardens. 



