Ipomoea CONVOLVULACEAE Convolvulus 



I. hederacea Jacq. Ivy-leaved Morning Glory. 



Infrequent throughout; fields, roadsides and low ground. Mid- 

 Aug. to mid-Oct. Adv. from tropical America. 



I. purpurea (L.) Roth. Common Morning Glory. 



Frequently escaped from gardens, and established in fields and 

 waste places. July to Sept. Introd. from tropical America. 



I. pandurata (L.) Meyer. Man-of-the-earth. 



Frequent in dry sandy soil, Piedmont, and Coastal Plain south- 

 ward at least to Worcester County. July to mid-Sept. 



I. lacunosa L. 



Infrequent, in cultivated ground, hedgerows and meadows of 

 the Coastal Plain; one station in the Piedmont: shores of Susque- 

 hanna River at Bald Friar (Ce), Van Pelt, 1 Sept. 1909 (A). Aug., 

 mid-Sept. 



Convolvulus L. Bindweed. 



C. spithamaeus L. Upright or Dwarf Morning Glory. 



Infrequent; sandy banks and fields. New Castle County. Mid- 

 May, early June. 



r Vfc. sepium L. var. communis Tryon. (See Tryon: Rhodora 41, 

 418-420. 1939.) 

 Frequent along streams, and especially on borders of salt marshes 

 along the coast; rare in the Piedmont area: Conowingo (Ce), E. B. 

 Bartram, 4 July 1907 (A). June through Aug. "This is the com- 

 mon plant throughout the northeastern U. S." (Tryon, 1. c). 



Var. americanus Sims. (Var. puhescens of Gray's Man., ed. 7.) 



Rare; brackish shores and salt marshes: Oak Orchard (S), 

 Fernald & Long, 4148, in 1934 (P) ; 3 mi. n. of Bethany Beach- 

 (S), Fogg, 11354, 29 Aug. 1936 (P). ^ ''^^ijij^J^' 



C. arvensis L. Field Bindweed. 



Frequent in upland New Castle County; one collection in Talbot 



County: 4 mi. w. n. w. of Easton, Earle, 3043, 3 Sept. 1940 (P). 



July to Oct. 



E. Tatnall (Catalogue, 1860), mentions this species as "Rare. 

 Detected by W. M. Canby, June 1860." Now a troublesome weed. 



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