424: CONVOLVULACE.E. 



1. CONVOLVULUS (Bindweed). Corolla trumpet- 

 shaped, with 5 plaits and 5 very shallow lobes ; calyx 

 without bracts ; style 1 ; stigmas 2 ; capsule 2-celled, 2- 

 valved. (Name, from the Latin convolvo, to entwine, 

 from the twisting habit of many species.) 



2. CALYST^GIA (Bindweed). Corolla as in Convol- 

 vulus ; calyx enclosed within two bracts ; style 1 ; 

 stigmas 2 ; capsule 1 -celled, 2-valved. (Name in Greek 

 denoting a beautiful covering.) 



3. CUSCUTA (Dodder). Calyx 4 5-cleft ; corolla 

 bell-shaped, 4 5-cleft, with 4 5 scales at the base 

 within. (Name, said to be derived from the Arabic 

 Kechout.) 



1. CONVOLVULUS (Bindweed). 



1. C. arvensis (Field Bindweed). Stem climbing ; 

 leaves arrow-shaped, with acute lobes ; flowers 1 3 

 together ; bracts minute, distant from the flower. A 

 common weed in light soil, either trailing along the 

 ground amorlg short grass, or climbing wherever it finds 

 a support. The flowers are rose-coloured, with dark 

 plaits, handsome and fragrant, opening only in sunny 

 weather. Fl. June, July. Perennial. 



2. CALYST^GIA (Bindweed). 



1. G. sepium (Great Bindweed). Stem climbing ; 

 leaves arrow-shaped, with abrupt lobes \ flowers solitary 

 on square stalks ; bracts large, heart-shaped, close to the 

 flower. In bushy places, common, and a most mis- 

 chievous weed in gardens, not only exhausting the soil 

 with its roots, but strangling with its twining stems the 

 plants which grow near. The flowers are among the 

 largest which this country produces ; while in bud they 

 are entirely enclosed in the large bracts, and when 

 expanded are pure white and very handsome. The 

 fruit is not often perfected. Fl. July September. 

 Perennial. 



