CONVOLVULACEAE. 263 



Capsule completely 2-celled, elastically loculicidally dehiscent ; oppo- 

 site-leaved herbs ; placentae axile. Fam. 14. Acanthaceae. 

 Ovary and fruit 1-celled with 1 erect orthotropous ovule and seed; herb 

 with spicate flowers and reflexed fruits. Fam. 1.5. Fhrymaceoe. 



Family 1. CONVOLVULACEAE A'eut. Morning-glory Family. 



Style 2-cleft or 2-parted. 1. Breweria. 



Style entire up to the stigma. 



Stigma or stigmas capitate or globose. 



CoroUa salverform; stamens and style exserted. U. Quaiiioclit. 



Corolla funnelform or campanulate; stamens and style included. 



3. Ipomoea. 



Stigmas 2, filiform to oblong. 4. Convolvulus. 



1. BREWERIA R. Br. 

 1. Breweria Pickeringii (M. A. Curtis) A. Gray. M. p. 750. Dry pine- 

 barrens. Summer. 

 Burlm gt on— Atsion, Quaker Bridge (C). Atlantic— Along Little Egg 

 Harbor River (C), Pleasant Mills on the MuUica River, Dr. J. B. Brin- 

 ton (He.). 



2. QUAMOCLIT Moench. 

 1. QuAMOCLiT cocciN'EA (L.) Moench. Stnall Red Morning Glory. M. p. 

 751. Waste and cultivated ground. Escaped. Summer and fall. 



3. IPOMOEA L. Morning Glory. 



Ovary 2-celled (rarely 4-celled) ; stigma entire or 2-lobed. 



Perennial from an enormous root ; corolla 5-8 cm. long. 1. I. pandurata. 



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

 Ovary 3-celled ; stigmas 3 ; leaves cordate ; annuals. 



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



Leaves deeply 3-lobed, corolla 2.5-4 cm. long. 4. I. hederacea. 



1. Ipomoea pandurata (L.) Meyer. Wild Potato-vine, Man-of-the-Earth. 



M. p. 752. Dry ground. Summer. 



2. Ipomoea lacunosa L. M. p. 752. Moist soil. Summer. 



Lancaster — York Furnace. 



Camden — Petty's Island, Dr. Geo. Smith (Fu.). Gloucester — Westville, 

 one plant (Wn.). Monmouth — Cliffwood (C). 



3. Ipomoea purpurea (L.) Roth. Common Morning Glory. M. p. 752. 



Waste places. Escaped. Summer. 



4. Ipomoea hederacea Jacq. M. p. 752. Fields and waste places. Sum- 



mer. 



Ipomoea sagittata Gray. Ballast. 



Philadelphia— Below Old Navy Yard, Mart. (B. C). 



4. CONVOLVULUS L. 



Calyx with 2 large bracts at the base, which enclose it. 



Stems trailing or climbing. 1. C. sepium. 



Stem erect or ascending; flowers white; bracts not cordate. 



2. C. spithamaeus. 

 Calyx not bracted; peduncle bracted at the summit. 3. C. arve'nsis. 



