CONVOLVULACEAE (MORNING-GLORY FAMILY) 



5 POLEMONIALES. Phlox Order, 

 i CONVOLVULACEAE. Morning-glory Family. 

 i IPOMOfcA. 



1 a Leaves pinnately divided into linear segments 



CYPRESS-VINE. (I. qudmoclit*) 

 b Leaves not as in a 2 



2 a Plant cultivated for the edible root 



SWEET POTATO. (I. batatas*) 

 b Plants not cultivated for the edible root 3 



3 a Stems noticeably hairy 4 



b Stems not noticeably hairy 6 



4 a Leaves entire, not angled or lobed 



COMMON MORNING-GLORY. (I. purpurea*) 

 b Leaves either angled or lobed 5 



5 a Leaves 3-5-lobed, the lobes ovate, pointed ; stalks 1-3- 



flowered IVY-LEAVED MORNING-GLORY. (I. hederacea*) 



b Leaves angular or 3-lobed ; stalks several-flowered 



BRAZILIAN MORNING-GLORY. (I. setbsa.*) 



6 a Flowers Vz-% in. broad, scarlet or orange 



STAR IPOMOEA. (I. coccinea* ) 

 b Flowers i in. or more broad, white or pink 7 



7 a Flowers 2-3 in. long; leaves pale beneath 



WILD POTATO VINE. (I. pandurata.) 

 b Flowers 3-6 in. long; leaves not pale beneath 



MOONFLOWER. (I. bbna-nox*) 

 2 CONV6LVULUS. 



1 a Flowers double CALIFORNIA ROSE. (C. japonicus*) 



b Flowers single 2 



2 a Calyx with 2 membranous bracts at the base 3 



b Qalyx not subtended by bracts 4 



3 a Leaves 2-5 in. long, triangular, with basal lobes 



RUTLAND BEAUTY. (C. septum.) 

 b Leaves 1-3 in. long, usually oval 



UPRIGHT BINDWEED. (C. spithamaeus.) 



4 a Plant not hairy; wild species 



SMALL BINDWEED. (C. arvensis.) 

 b Plant usually densely covered with brownish hairs ; 



cultivated species GARDEN BINDWEED. (C. tricolor.*) 



2 CUSCUTACEAE. Dodder Family. 

 i CtJSCUTA. 



1 a Corolla lobes pointed FIELD DODDER. ( C. arvensis.) 



b Corolla lobes rounded 2 



2 a Calyx subtended by 3-5 bracts; capsule oblong 



COMPACT DODDER. (C. compdcta.) 

 b Calyx not subtended by bracts; capsule globose 



GRONOVIUS' DODDER. (C. gronovii.) 



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