CONVOLVULUS FAMILY. Convolvulacese. 



White, pink= flowers ranging from pure white to pink- 



tmged tinged borne singly on long stems; the 



June-August r, , n ^i ,.-i 



nve stamens cream yellow, the pistil 



white. The five-parted calyx is inclosed in two pale 

 green bracts. The flower generally closes before noon: 

 it is sometimes over 2 inches broad and 3 long. Vine 

 3-10 feet long. Along moist roadsides and borders of 

 fields, climbing over shrubbery, from Me., south to N. 

 Car., west to S. Dak. and Utah. Also in Europe. 



A more or less fine-hairy, trailing species, 

 Trailing with simple or slightly branched stem, and 



Bindweed ovate or oblong leaves, arrow-shaped or 



Jpimn^v&r. sliglitly heart-shaped at the base, 1-2 

 repens ' inches long. Flowers white or pink-tinged, 



White or pink= borne singly on long stalks, and about 2 

 *'"^^^ inches long. Calyx inclosed in two ovate 



ugus bj.j^cts. 1-3 feet long. Common. 



A smooth-stemmed, veiy slender species 



^'"^" with oblong and arrow-shaped gray-green 



mdwee leaves, the lateral lobes of which are acute. 



Convolvulus 

 arvensis Small flowers not over 1 inch long, white 



White or pink= or pink-tinged, and generally borne in 



tinged clusters of two. The calyx u'ithout leafy 



i""^' ^ bracts at the base. 1-2 feet long. In 



September , , , „ n.r i 



fields and waste places from Me., south 



to X. J. and Pa., and west to Kan. 



A miserable parasite often troublesome 

 Dodder "^ gardens, but found in low, damp, shady 



Cuscuta situations. It climbs high upon other 



Gronovii plants by twining closely about their 



Dull white stalks and exhausting their juices through 



" ^~ a thousand tiny suckers. Its threadlike, 



twisting stem varies in color from dull yellow to dull 

 orange, it is crowded with bunches of tiny dull white 

 bell-shaped flowers having five lobes. The calyx is 

 greenish white. All the dodders start at first from the 

 ground, but finally securing a Convenient plant upon 

 which to climb, the root in the earth dies and they be- 

 come parasitic. Common everywhere. 



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