380 



THE KINDS OF PLANTS 



492. Ipomoea 

 Quamoclit. 



1. IFOM^A. Morning-glory. 



Mostly twining, with showy flowers on axillary peduncles : 

 corolla with a long tube and a flaring limb: pistil 1, with one 

 Btyle, and the stigma 2-3-lobed : fruit a capsule, with 1-seeded 

 locules. 



a. Leaves compound, with thread-like divisions. 



I. Qu&moclit, Linn. Cypress vine. Fig. 492. Leaves pin- 

 nace: flowers solitary, red, small, narrow-limbed, with pro- 

 jecting style and stamens. Tropical America, but run wild 

 South; also cultivated. Annual. 



aa. Leaves simple or deeply lobed, broad. 



I. Bdna-N6x, Linn. White moonflower. 

 Fig. 493. Tall: leaves heart-shaped, or 

 angled or lobed: flowers 1 to few, white, opening once at 

 night, with a slender tube and a large limb 4-6 in. across. 

 Trop. Amer. Perennial. 



I. purpiirea. Roth. Morning glory. Fig. 217. Leaves 

 broadly cordate-ovate, entire: flowers 2-4, large and fun- 

 nel-shaped, 2-3 in. long, purple to streaked and white. 

 Trop. Amer. Annual. 



I. heder^cea, Jacq. Leaves heart-shaped, 3-5-lobed: 

 flowers 1-3, rather smaller than those of /. purpurea 

 Annual. 



I. Batatas, Poir. Sweet potato. Creeping: leaves heart-shaped to tri- 

 angular, ustially lobed: flowers (seldom seen) 3 or 4, light pur- 

 ple, funnel-form, 1}4 in. long. Tropics; grown for its large edible 

 root-tubers. 



2. CONVOLVULUS. Bindweed. 



Herbs (or shrubs) twining or erect: flowers large, on axillary 

 peduncles: sepals 5: corolla funnel form or bell-form, limb entire, 

 5-angled or .Globed: stamens inserted on corolla-tube, included: 

 style 1: stigmas 2, long: ovary and pod 2-celled, 4seeded. 



C. B^pium, Linn. Rutland beauty, perennial: 

 twining or trailing stem: leaves heart-shaped or 

 arrow-shaped, auricles often toothed: flowers axil- 

 lary and solitary^on a peduncle: calyx with 2 large 

 bracts at base, enclosing it: corolla morning-glory- 

 like, white or pink, 3^-2 in. long, margin quite en- 

 tire. Wild in low grounds. Summer. 



C. arv6nsi8, Linn. Bindweed. Perenniai, nearly 

 glabrous, prostrate or climbing : leaves entire, 

 arrow-shaped, with basal ears acute-lobed, but vari- 

 able: calyx not bracted at base: corolla pink, nearly white, small, 

 not over 1 in. long. Europe. Bad weed. May to September, 



493. IpomcBa 

 Bona-Nox. 



Trop. America. 



